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  • 1.
    Ahl, Magnus
    et al.
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences. Inst Postgrad Dent Educ, Sweden.
    Marcusson, Agneta
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Maxillofacial Unit.
    Ulander, Martin
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Magnusson, Anders
    Inst Postgrad Dent Educ, Sweden; Jonkoping Univ, Sweden.
    Cardemil, Carina
    Karolinska Univ Hosp, Sweden; Univ Gothenburg, Sweden.
    Larsson, Pernilla
    Malmo Univ, Sweden; Folktandvarden Ostergotland, Sweden.
    Translation and validation of the English-language instrument Orthognathic Quality of Life Questionair into Swedish2021In: Acta Odontologica Scandinavica, ISSN 0001-6357, E-ISSN 1502-3850, Vol. 79, no 1, p. 19-24Article in journal (Refereed)
    Abstract [en]

    Introduction: In orthognathic surgery, understanding the patients motives for treatment is a key factor for postoperative patient satisfaction and treatment success. In countries/systems where orthognathic surgery is funded by public means, patients are referred mainly due to functional problems, although studies of quality of life related changes after treatment indicate that psychosocial and aesthetic reasons might be equal or more important for the patient. There is no available validated condition specific instruments in the Swedish language for quality of life evaluation of patients with dentofacial deformities. Aims/objectives: Cross cultural translation and adaptation of the English-language instrument Orthognathic Quality of Life Questionnaire (OQLQ) into Swedish. Methods: OQLQ was translated into Swedish. A total of 121 patients in four groups were recruited and the Swedish version of the OQLQ (OQLQ-S) was tested by psychometric methods. Reliability was assessed by internal consistency and test-retest reliability. Validity was evaluated by face, convergent and discriminant validity. Results/findings and conclusions: OQLQ-S is reliable and showed good construct validity and internal consistency and can be used in a Swedish speaking population as a complement to clinical variables to evaluate patients with dentofacial deformity.

  • 2.
    Bjork, Maria
    et al.
    Jonkoping Univ, Sweden.
    Knutsson, Susanne
    Linnaeus Univ, Sweden.
    Odzakovic, Elzana
    Jonkoping Univ, Sweden.
    Hellstrom, Amanda
    Linnaeus Univ, Sweden.
    Sandlund, Christina
    Karolinska Inst, Sweden; Acad Primary Hlth Care Ctr, Sweden.
    Ulander, Martin
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Lind, Jonas
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Cty Hosp Ryhov, Sweden.
    Pakpour, Amir H.
    Jonkoping Univ, Sweden.
    Broström, Anders
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonkoping Univ, Sweden; Western Norway Univ Appl Sci, Norway.
    Members of, Jonkoping Univ JU Sleep Well Res Grp
    Validation of two brief instruments (the SURE and CollaboRATE) to measure shared decision-making in patients with restless legs syndrome2023In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869Article in journal (Refereed)
    Abstract [en]

    Restless legs syndrome (RLS) is a common neurological disorder characterised by an urge to move arms and legs, usually associated with discomfort, pain, motor restlessness, and sleep disturbance. An individually adapted treatment is needed but difficult to optimise, which makes shared decision-making (SDM) important. However, brief validated instruments on how patients with RLS perceive their involvement in treatment decisions are lacking. Therefore, the aim was to validate two instruments, SURE (Sure of myself, Understand information, Risk-benefit ratio, Encouragement, i.e., to assess decisional conflict) and CollaboRATE (brief patient survey focused on SDM, i.e., to assess SDM), in patients with RLS. A cross-sectional design, including 788 participants with RLS (65% females, mean [SD] age 70.8 [11.4] years) from a national patient organisation for RLS, was used. A postal survey was sent out to collect data regarding weight, height, comorbidities, demographics, and RLS-related treatment data. The following instruments were included: the SURE, CollaboRATE, Restless Legs Syndrome-6 Scale, and eHealth Literacy Scale. Confirmatory factor analysis and Rasch models were used to assess the validity and reliability of the SURE and CollaboRATE. Measurement invariance, unidimensionality, and differential item functioning (DIF) across age, gender, and medication groups were assessed. The SURE and CollaboRATE were both identified as unidimensional instruments with satisfactory internal consistency. No DIF across age and gender was identified, while significant DIF was observed for both the SURE and CollaboRATE regarding medication use categories. However, both the SURE and CollaboRATE are potential instruments to be used in research, but also as reflection tools by healthcare professionals, patients, and students to explore and assess SDM, and support its development in clinical care.

  • 3.
    Broström, Anders
    et al.
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Medicine and Health Sciences. Jonkoping Univ, Sweden.
    Alimoradi, Zainab
    Qazvin Univ Med Sci, Iran.
    Lindh, Jonas
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Cty Hosp Ryhov, Sweden.
    Ulander, Martin
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Lundin, Fredrik
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Neurologiska kliniken i Linköping.
    Pakpour, Amir
    Jonkoping Univ, Sweden.
    Worldwide estimation of restless legs syndrome: a systematic review and meta-analysis of prevalence in the general adult population2023In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 32, no 3, article id e13783Article, review/survey (Refereed)
    Abstract [en]

    This systematic review, meta-analysis and meta-regression assessed the prevalence of restless legs syndrome (RLS) in the general adult population. Studies identified in Scopus, PubMed, Web of Science, and PsycInfo between January 2000 and February 2022 were included if they used a case-control or cross-sectional design and reported data regarding the prevalence of RLS. The protocol was pre-registered in the International Prospective Register of Systematic Reviews (PROSPERO; CRD42022300709). A total of 97 studies including 483,079 participants from 33 different countries met the eligibility criteria. The Newcastle Ottawa Scale was used to evaluate the methodological quality, and the fill-and-trim method was used to correct probable publication bias, while the jack-knife method was performed to assess small study effect. The corrected overall pooled prevalence of RLS was 3% (95% confidence interval [CI] 1.4%-3.8%). The pooled prevalence of RLS syndrome was affected by methodological quality (no data from non-respondents in the included studies), gender (higher among women), study design (lower prevalence in case-control versus cohort and cross-sectional studies). The figures for corrected pooled prevalence among men, women, alcohol consumers and smokers were 2.8% (95% CI 2%-3.7%); 4.7% (95% CI 3.2%-6.3%); 1.4% (95% CI 0%-4.2%); and 2.7% (95% CI 0%-5.3%), respectively. The prevalence among male and female participants was lower in community-based versus non-community-based studies. Moreover, the prevalence was higher in developed versus developing countries and among elders versus adults. In conclusion, RLS is a common disorder in the general adult population, with a higher prevalence in women; however, prevalence data are affected by study design and quality.

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  • 4.
    Broström, Anders
    et al.
    Omvårdnad, Högskolan i Jönköping.
    Franzén Årestedt, Kristofer
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Health and Society. Linköping University, Faculty of Health Sciences.
    Strömberg, Anna
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    The side-effects to CPAP treatment inventory: the development and initial validation of a new tool for the measurement of side-effects to CPAP treatment2010In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 19, no 4, p. 603-611Article in journal (Refereed)
    Abstract [en]

    Continuous positive airway pressure (CPAP) is the treatment of choice for obstructive sleep apnoea syndrome (OSAS), but side-effects are common. No validated self-rating scale measuring side-effects to CPAP treatment exists today. The aim was to develop the side-effects to CPAP treatment inventory (SECI), and investigate the validity and reliability of the instrument among patients with OSAS. SECI was developed on the basis of: (1) in-depth interviews with 23 patients; (2) examination of the scientific literature and (3) consensus agreement of a multi-professional expert panel. This yielded 15 different types of side-effects related to CPAP treatment. Each side-effect has three sub-questions (scales): perceived frequency (a) and magnitude (b) of the side-effect, as well as its perceived impact on CPAP use (c). A cross-sectional descriptive design was used. A total of 329 patients with OSAS with an average use of CPAP treatment for 39 months (2 weeks to 182 months) were recruited. Data were collected with SECI, and obtained from medical records (clinical variables and data related to CPAP treatment). Construct validity was confirmed with factor analysis (principal component analysis with orthogonal rotation). A logical two-factor solution, the device subscale and symptom subscale, emerged across all three scales. The symptom subscale describing physical and psychological side-effects and the device subscale described mask and device-related side-effects. Internal consistency reliability of the three scales was good (Cronbach’s α = 0.74–0.86) and acceptable for the subscales (Cronbach’s α = 0.62–0.86). The satisfactory measurement properties of this new instrument are promising and indicate that SECI can be used to measure side-effects to CPAP treatment.

  • 5.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Fridlund, B
    Jonköping University, Sweden .
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Sunnergren, O
    County Hospital Ryhov, Sweden .
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Neurophysiology UHL.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Preventive and Social Medicine and Public Health Science. Linköping University, Faculty of Health Sciences.
    Effects of a group-based educational programme on adherence to CPAP treatment in obstructive sleep apnoea in JOURNAL OF SLEEP RESEARCH, vol 21, issue SI, pp 348-3482012In: JOURNAL OF SLEEP RESEARCH, Wiley-Blackwell , 2012, Vol. 21, no SI, p. 348-348Conference paper (Refereed)
    Abstract [en]

    n/a

  • 6.
    Broström, Anders
    et al.
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonkoping Univ, Sweden.
    Fridlund, Bengt
    Linnaeus Univ, Sweden.
    Fossum, Bjoorn
    Sophiahemmet Univ, Sweden; Soder Sjukhuset, Sweden.
    Pakpour, Amir
    Jonkoping Univ, Sweden; Qazvin Univ Med Sci, Iran.
    Nilsen, Per
    Linköping University, Department of Health, Medicine and Caring Sciences, Division of Society and Health. Linköping University, Faculty of Medicine and Health Sciences.
    Ulander, Martin
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Communication during the initial visit to a CPAP clinic Practitioners experiences of facilitators and barriers when talking to patients with obstructive sleep apnea2021In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 30, no 4, article id e13244Article in journal (Refereed)
    Abstract [en]

    Adherence to continuous positive airway pressure treatment for obstructive sleep apnea tends to be poor. Communication influences adherence but has not previously been investigated from a practitioner perspective, although shared decision-making is known to be of great importance. The aim was to describe how practitioners experience communication with patients with obstructive sleep apnea during the initial visit at a continuous positive airway pressure treatment clinic, with focus on facilitators and barriers related to the 4 Habits Model, a communication model comprised of four types of interrelated skills to make encounters more patient-centred: investing in the beginning; exploring the patient perspective; showing empathy; and investing in the end. A descriptive design with qualitative content analysis was used. A deductive analysis was carried out based on interviews with 24 strategically selected practitioners from seven continuous positive airway pressure treatment clinics. The 4 Habits Model was used as a framework for identifying facilitators and barriers to communication. Investments in the beginning was described as creating contact, showing the agenda and being adaptive, while explore the patient perspective included showing awareness, being explorative and creating a participating climate. Show empathy consisted of showing openness, being confirmative and creating acceptance, while showing a structured follow-up plan, being open minded and invitational and creating motivation to build on were descriptions of invest in the end. Awareness of potential facilitators and barriers for patient-centred communication during the beginning, middle and end of a continuous positive airway pressure treatment consultation can be used to improve contextual conditions and personal communication competences among practitioners working with continuous positive airway pressure treatment initiation.

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  • 7.
    Broström, Anders
    et al.
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jönköping University, Sweden.
    Fridlund, Bengt
    Jönköping University, Sweden.
    Hedberg, Berith
    Jönköping Academic Qual Improvement and Leadership Heatlh, Sweden.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Communication between patients with obstructive sleep apnoea syndrome and healthcare personnel during the initial visit to a continuous positive airway pressure clinic2017In: Journal of Clinical Nursing, ISSN 0962-1067, E-ISSN 1365-2702, Vol. 26, no 3-4, p. 568-577Article in journal (Refereed)
    Abstract [en]

    Aims and objectives. To describe facilitators and barriers from a patient perspective in communications between patients with obstructive sleep apnoea syndrome and healthcare personnel during the first meeting when continuous positive airway pressure is initiated. Background. Adherence to continuous positive airway pressure treatment tends to be poor, especially at the initial phase of treatment. Communication between the patient and healthcare personnel has not been studied from the patient perspective, as either a barrier or facilitator for adherence. Methods. A descriptive design using qualitative content analysis was used. Interviews with 25 patients with obstructive sleep apnoea syndrome took place after their initial visit at four continuous positive airway pressure clinics. A deductive analysis based on The 4 Habits Model (i.e. emphasise the importance of investing in the beginning of the consultation, elicit the patients perspective, demonstrate empathy and invest in the end of the consultation) was conducted. Results. Building confidence (i.e. structure building, information transfer, commitment) or hindering confidence (i.e. organisational insufficiency, stress behaviour, interaction deficit) was associated with investing in the beginning. Motivating (i.e. situational insight, knowledge transfer, practical training) or demotivating (i.e. expectations, dominance and power asymmetry, barriers) was associated with eliciting the patients perspective. Building hope (i.e. awareness, sensitivity, demonstration of understanding) or hindering hope (i.e. unprepared, uncommitted, incomprehension) was associated with showing empathy. Agreement (i.e. confirmation, responsibilities, comprehensive information) or disagreement (i.e. structural obscurity, irresponsibility, absent-mindedness) was associated with investing in the end. Conclusions. Understanding of facilitators and barriers, as described by patients, can be used to improve contextual conditions and communication skills among healthcare personnel. Relevance to clinical practice. A patient-centred communication technique should be used in relation to all stages of The 4 Habits Model to facilitate shared decision-making and improve adherence to continuous positive airway pressure treatment.

  • 8.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. School of Health Sciences, Jönköping University, Jönköping, Sweden.
    Fridlund, Bengt
    School of Health Sciences, Jönköping University, Jönköping, Sweden.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Sunnergren, Ola
    Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences. Ear, Nose and Throat Clinic, County Hospital Ryhov, Jönköping, Sweden.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Social Medicine and Public Health Science. Linköping University, Faculty of Health Sciences.
    A mixed method evaluation of a group-based educational programme for CPAP use in patients with obstructive sleep apnea2011In: Journal of Evaluation In Clinical Practice, ISSN 1356-1294, E-ISSN 1365-2753, Vol. 19, no 1, p. 173-184Article in journal (Refereed)
    Abstract [en]

    Rationale, aims and objectives Continuous positive airway pressure (CPAP) treatment of obstructive sleep apnea (OSA) has a low long-term adherence. Educational interventions are few and sparsely described regarding content, pedagogical approach and participants' perceptions. The aim was to describe adherence to CPAP treatment, knowledge about OSA/CPAP, as well as OSA patients' perceptions of participating in a group-based programme using problem-based learning (PBL) for CPAP initiation.

    Educational programme The PBL programme incorporated elements from theories and models concerning motivation and habits. Tutorial groups consisting of four to eight patients met at six sessions during 6 months.

    Methods A sequential explanatory mixed method design was used on 25 strategically selected patients. Quantitative data regarding, clinical variables, OSA severity, CPAP use, and knowledge were collected at baseline, after 2 weeks and 6 months. Qualitative data regarding patients' perceptions of participation were collected after 6 months by semi-structured interviews using a phenomenographic approach.

    Results 72% of the patients were adherent to CPAP treatment after 2 weeks and 6 months. All patients improved their baseline knowledge about OSA and CPAP after 2 weeks and sustained it after 6 months. Anxiety and fear, as well as difficulties and needs were motivational factors for participation. Patients described the difficulties of behavioural change, an awareness that improvements do not occur immediately, a realization of the importance of both technical and emotional support and the need for a healthier lifestyle.

    Conclusion and practice implications A group-based programme using PBL seems to facilitate adaptive and developmental learning and result in acceptable CPAP adherence levels. 

  • 9.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Fridlund, Bengt
    School of Health Sciences, Jönköping University, Jönköping, Sweden.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Sunnergren, Ola
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Social Medicine and Public Health Science. Linköping University, Faculty of Health Sciences. Linköping University, Department of Medical and Health Sciences, Health Technology Assessment and Health Economics.
    A mixed method evaluation of a group-based educational programme for CPAP use in patients with obstructive sleep apnea2013In: Journal of Evaluation In Clinical Practice, ISSN 1356-1294, E-ISSN 1365-2753, Vol. 19, no 1, p. 173-184Article in journal (Refereed)
    Abstract [en]

    Rationale, aims and objectives  Continuous positive airway pressure (CPAP) treatment of obstructive sleep apnea (OSA) has a low long-term adherence. Educational interventions are few and sparsely described regarding content, pedagogical approach and participants' perceptions. The aim was to describe adherence to CPAP treatment, knowledge about OSA/CPAP, as well as OSA patients' perceptions of participating in a group-based programme using problem-based learning (PBL) for CPAP initiation. Educational programme  The PBL programme incorporated elements from theories and models concerning motivation and habits. Tutorial groups consisting of four to eight patients met at six sessions during 6 months. Methods  A sequential explanatory mixed method design was used on 25 strategically selected patients. Quantitative data regarding, clinical variables, OSA severity, CPAP use, and knowledge were collected at baseline, after 2 weeks and 6 months. Qualitative data regarding patients' perceptions of participation were collected after 6 months by semi-structured interviews using a phenomenographic approach. Results  72% of the patients were adherent to CPAP treatment after 2 weeks and 6 months. All patients improved their baseline knowledge about OSA and CPAP after 2 weeks and sustained it after 6 months. Anxiety and fear, as well as difficulties and needs were motivational factors for participation. Patients described the difficulties of behavioural change, an awareness that improvements do not occur immediately, a realization of the importance of both technical and emotional support and the need for a healthier lifestyle. Conclusion and practice implications  A group-based programme using PBL seems to facilitate adaptive and developmental learning and result in acceptable CPAP adherence levels.

  • 10.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Health Sciences.
    Gardner, Benjamin
    University College London, UK.
    Johansson, Peter
    Linköping University, Department of Medical and Health Sciences, Cardiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Center, Department of Cardiology in Linköping.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Fridlund, Bengt
    Jönköping University, Sweden.
    Arestedt, Kristofer
    Linköping University, Department of Medical and Health Sciences, Division of Nursing Science. Linköping University, Faculty of Health Sciences. Linnaeus University & Palliative Research Centre, Ersta Sköndal University College and Ersta Hospital, Stockholm.
    Validation of the CPAP Habit Index-5: A Tool to Understand Adherence to CPAP Treatment in Patients with Obstructive Sleep Apnea.2014In: Sleep Disorders, ISSN 2090-3545, E-ISSN 2090-3553, Vol. 2014, p. 1-9, article id 929057Article in journal (Refereed)
    Abstract [en]

    Long-term adherence to continuous positive airway pressure (CPAP) is low among patients with obstructive sleep apnea (OSA). The potential role of "habit" in sustaining adherence to CPAP use has not been studied. This study aimed to establish the relevance of habit to CPAP adherence, via validation of an adaptation of the Self-Report Habit Index (the CPAP Habit Index-5; CHI-5). Analyses focused on the homogeneity, reliability, and factor structure of the CHI-5 and, in line with theoretical predictions, its utility as a predictor of long-term CPAP adherence in middle-aged patients with OSA. A prospective longitudinal design was used. 117 patients with objectively verified OSA intended for CPAP treatment were recruited. Data was collected via clinical examinations, respiratory recordings, questionnaires, and CPAP devices at baseline, 2 weeks, 6 months, and 12 months. The CHI-5 showed satisfactory homogeneity interitem correlations (0.42-0.93), item-total correlations (0.58-0.91), and reliability ( α = 0.92). CHI-5 data at 6 months showed a one-factor solution and predicted 63% of variance in total CPAP use hours after 12 months. Based on the satisfactory measurement properties and the high amount of CPAP use variance it explained, the CHI-5 can be seen as a useful tool in clinical practice.

  • 11.
    Broström, Anders
    et al.
    Linköping University, Department of Medicine and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Nilsen, Per
    Linköping University, Department of Medicine and Health Sciences. Linköping University, Faculty of Health Sciences.
    Johansson, P
    n/a.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences.
    Strömberg, Anna
    Linköping University, Department of Medicine and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart Centre, Department of Cardiology.
    Swahnborg, E
    n/a.
    Fridlund, B
    n/a.
    Adherence to CPAP treatment - a qualitative contnt analysis in patients with OSAS.2009In: 9th Annual Spring Meeting on Cardiovascular Nursing, CCNAP., 2009Conference paper (Refereed)
  • 12.
    Broström, Anders
    et al.
    Linköping University, Department of Medicine and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Nilsen, Per
    Linköping University, Department of Medicine and Health Sciences, Division of Preventive and Social Medicine and Public Health Science. Linköping University, Faculty of Health Sciences.
    Johansson, Peter
    Linköping University, Department of Medicine and Health Sciences, Cardiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart Centre, Department of Cardiology.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology . Linköping University, Faculty of Health Sciences.
    Strömberg, Anna
    Linköping University, Department of Medicine and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart Centre, Department of Cardiology.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Reconstruction Centre, Department of Neurophysiology UHL.
    Fridlund, Bengt
    Jonköping University.
    Putative facilitators and barriers for adherence to CPAP treatment in patients with obstructive sleep apnea syndrome: A qualitative content analysis2010In: SLEEP MEDICINE, ISSN 1389-9457, Vol. 11, no 2, p. 126-130Article in journal (Refereed)
    Abstract [en]

    Introduction: Effective treatment of obstructive sleep apnea syndrome (OSAS) with continuous positive airway pressure (CPAP) can reduce morbidity and mortality, but adherence rates are low without a clear consensus Of causes. Objective: To explore the experiences of adherence to CPAP treatment in patients with OSAS. Methods: A qualitative content analysis was employed. Data were collected by in-depth interviews with 23 purposively selected patients. Results: Adherence to CPAP treatment was summarized according to "facilitators" and "barriers" to CPAP treatment. Facilitators for adherence, as described by the patients were a desire to avoid symptoms, knowledge about the risk for medical consequences, fear of negative social consequences and disturbing the sleep of significant others. Other facilitators were a positive attitude to CPAP treatment, trust in healthcare personnel, a sense of engagement from the spouse and a feeling of physical improvement. Barriers included experiencing practical problems, negative psychological effects of the equipment, and negative attitudes to the treatment. Other barriers were side-effects as well as insufficient support from healthcare personnel and the spouse. Conclusion: Adherence to CPAP treatment is a multifaceted problem including patient, treatment, condition, social and healthcare related factors. Knowledge about facilitators and barriers for adherence to CPAP treatment can be used in interventional Strategies.

  • 13.
    Broström, Anders
    et al.
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Department of Nursing, School of Health and Welfare, Sweden.
    Pakpour, A. H.
    Department of Nursing, School of Health and Welfare, Sweden; Social Determinants of Health Research Center Qazvin, Iran.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Fridlund, B.
    CICE Linneus University, Sweden.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Psychometric properties of the Ethos Brief Index (EBI) using factorial structure and Rasch Analysis among patients with obstructive sleep apnea before and after CPAP treatment is initiated.2019In: Sleep and Breathing, ISSN 1520-9512, E-ISSN 1522-1709, Vol. 23, no 3, p. 761-768Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Continuous positive airway treatment (CPAP) is the recommended treatment for patients with obstructive sleep apnea (OSA). Outcome measures often focus on clinical and/or self-rated variables related to the medical condition. However, a brief validated instrument focusing on the whole life situation (i.e., ethos) suitable for clinical practice is missing. The aim of this study was to investigate factorial structure, categorical functioning of the response scale, and differential item functioning across sub-populations of the Ethos Brief Index (EBI) among patients with obstructive sleep apnea (OSA) before and after initiation of continuous positive airway pressure (CPAP).

    METHODS: A prospective design, including 193 patients with OSA (68% men, 59.66 years, SD 11.51) from two CPAP clinics, was used. Clinical assessment and overnight respiratory polygraphy were used to diagnose patients. Questionnaires administered before and after 6 months of CPAP treatment included EBI, Epworth Sleepiness Scale (ESS), Hospital Anxiety and Depression Scale, and global perceived health (initial item in SF-36). The validity and reliability of the EBI were investigated using Rasch and confirmatory factor analysis models. Measurement invariance, unidimensionality, and differential item functioning across gender groups, Apnea-Hypopnea Index, and ESS groups were assessed.

    RESULTS: The reliability of the EBI was confirmed using composite reliability and Cronbach's alpha. The results supported unidimensionality of the EBI in confirmatory factor analysis and the Rasch model. No differential item functioning was found. A latent profile analysis yielded two profiles of patients with low (n = 42) and high (n = 151) ethos. Patients in the low ethos group were younger and had higher depression scores, lower perceived health, and higher body mass index.

    CONCLUSIONS: The EBI is a valid tool with robust psychometric properties suitable for use among patients with OSA before and after treatment with CPAP is initiated. Future studies should focus on its predictive validity.

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  • 14.
    Broström, Anders
    et al.
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonkoping Univ, Sweden.
    Pakpour, Amir H.
    Jonkoping Univ, Sweden; Qazvin Univ Med Sci, Iran.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Gardner, Benjamin
    Kings Coll London, England.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Promoting CPAP adherence in clinical practice: A survey of Swedish and Norwegian CPAP practitioners beliefs and practices2018In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 27, no 6, article id UNSP e12675Article in journal (Refereed)
    Abstract [en]

    The benefits of continuous positive airway pressure (CPAP) treatment for obstructive sleep apnea are well established, but adherence tends to be low. Research exploring CPAP practitioners beliefs around determinants of CPAP adherence, and the actions they use in clinical practice to promote CPAP adherence is lacking. This study aimed to: (i) develop and validate a questionnaire to assess beliefs and current practices among CPAP practitioners; (ii) explore practitioners beliefs regarding the main determinants of patient adherence, and the actions practitioners most commonly use to promote CPAP adherence; and (iii) explore the associations between perceived determinants and adherence-promotion actions. One-hundred and forty-two CPAP practitioners in Sweden and Norway, representing 93% of all Swedish and 62% of all Norwegian CPAP centres, were surveyed via a questionnaire exploring potential determinants (18 items) and adherence-promotion actions (20 items). Confirmatory factor analysis and second-order structural equational modelling were used to identify patterns of beliefs, and potential associations with adherence-promotion actions. Patients knowledge, motivation and attitudes were perceived by practitioners to be the main determinants of CPAP adherence, and educating patients about effects, management and treatment adjustments were the most common practices. Knowledge was shown to predict educational and informational actions (e.g. education about obstructive sleep apnea and CPAP). Educational and informational actions were associated with medical actions (e.g. treatment adjustment), but knowledge, attitude and support had no association with medical actions. These findings indicate that a wide variety of determinants and actions are considered important, though the only relationship observed between beliefs and actions was found for knowledge and educational and informational actions.

  • 15.
    Broström, Anders
    et al.
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Department of Nursing, School of Healthand Welfare, Jönköping University, Sweden.
    Pakpour, Amir H.
    School of Healthand Welfare, Jönköping University, Sweden; Social Determinants of Health ResearchCenter, Qazvin University of MedicalSciences, Ira.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Hedberg, Berith
    Jönköping Academy for Health and Welfare, Jönköping University, Sweden; Region Jönköpings län, Futurum, Jönköping,Sweden.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Validation of CollaboRATE and SURE - two short questionnaires to measure shared decision making during CPAP initiation.2019In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 28, no 5, article id UNSP e12808Article in journal (Refereed)
    Abstract [en]

    Adherence to continuous positive airway pressure (CPAP) treatment tends to be low. Brief validated instruments focusing on shared decision making have not been used in a CPAP context. The aim was to investigate factorial structure, categorical functioning of the response scale and differential item functioning across sub-populations of the CollaboRATE and Sure questionnaires among patients with obstructive sleep apnea (OSA) before CPAP treatment is initiated. A prospective design, including 193 objectively diagnosed (polygraphy) OSA patients (68% men, 59.7 years, SD 11.5) from two CPAP clinics was used. Data were collected with the following questionnaires; Sure, CollaboRATE, Attitudes to CPAP Inventory, Epworth sleepiness scale, minimal insomnia symptoms scale, and hospital anxiety and depression scale. Objective CPAP use was collected after 6 months; 49% demonstrated decisional conflict on SURE and 51% scored low levels of shared decision making on CollaboRATE. Unidimensionality was found for both CollaboRATE (one factor explaining 57.4%) and SURE (one factor explaining 53.7%), as well as local independence. Differential item functioning showed both to be invariant across both male and female patients. Internal consistency (Cronbach's alpha 0.83) and composite reliability (0.89) were good. Latent class analyses showed that patients with low decisional conflict and high shared decision making were more adherent to CPAP treatment. CollaboRATE and SURE provided good validity and reliability scores to measure shared decision making and decisional conflict in relation to CPAP treatment. The questionnaires can be used by healthcare personnel as a tool to simplify the assessment of shared decision making.

  • 16.
    Broström, Anders
    et al.
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonkoping Univ, Sweden.
    Pakpour, Amir H.
    Jonkoping Univ, Sweden; Qazvin Univ Med Sci, Iran.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Development and psychometric evaluation of the Swedish propensity to achieve healthy lifestyle scale in patients with hypertension2018In: Journal of Clinical Nursing, ISSN 0962-1067, E-ISSN 1365-2702, Vol. 27, no 21-22, p. 4040-4049Article in journal (Refereed)
    Abstract [en]

    PurposeTo develop and validate a Swedish questionnaire to measure propensity for behaviour change regarding food habits, physical activity and weight reduction in patients with hypertension. DesignCross-sectional design. MethodsA total of 270 consecutive patients with hypertension diagnosed at four primary care centres in Sweden were included. The 6-item Swedish version of the Propensity to Achieve Healthy Lifestyle Scale (PAHLS) was developed to measure propensity for behaviour change regarding food habits, physical activity and weight reduction. The PAHLS (i.e., including three items for preparedness and three items for capacity) was developed by three multiprofessional researchers inspired by the transtheoretical model of behaviour change in collaboration with clinically active nurses. Data were collected by questionnaires on food habits (i.e., the Food Frequency Questionnaire), physical activity (the International Physical Activity Questionnaire), propensity for a healthy lifestyle (the PHLQ), as well as during a clinical examination. Exploratory (EFA) and confirmatory factor analyses (CFA), as well as Rasch analysis, were used. ResultsOf the 270 patients (50% women), 27% scored low levels of physical activity on the International Physical Activity Questionnaire, and 34% of the patients were obese (body mass index 30kg/m(2)). The EFA (explaining 54% of the variance) showed unidimensionality for the PAHLS that was supported by both CFA and Rasch analyses. No floor and 1.9% ceiling effects were found. Multiple group CFA (an extension of structural equationmodelling) showed that the PAHLS operated equivalently across both male and female patients. Internal consistency (Cronbachs alpha 0.83) and composite reliability (0.89) were good. ConclusionThe initial testing of PAHLS provided good validity and reliability scores to measure propensity for behaviour change in patients with hypertension. Relevance to Clinical PracticeThe PAHLS can be used by nurses as a tool to simplify shared decision-making in relation to behavioural changes.

  • 17.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Division of Nursing Science. Linköping University, Faculty of Health Sciences.
    Strömberg, Anna
    Linköping University, Department of Medical and Health Sciences, Division of Nursing Science. Linköping University, Faculty of Health Sciences.
    Mårtensson, Jan
    Jönköping.
    Ulander, Martin
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Clinical Neurophysiology.
    Harder, Lena
    Svanborg, Eva
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Clinical Neurophysiology. Östergötlands Läns Landsting, Reconstruction Centre, Department of Neurophysiology UHL.
    Association of Type D personality to perceived side effects and adherence in CPAP-treated patients with OSAS2007In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 16, no 4, p. 439-447Article in journal (Refereed)
    Abstract [en]

    Continuous positive airway pressure (CPAP) is the treatment of choice for obstructive sleep apnoea syndrome (OSAS), but side effects are common and long-term adherence low. The Type D (distressed) personality is defined as a combination of negative affectivity and social inhibition. The association of Type D personality with adherence has not been studied in CPAP-treated patients with OSAS. This study aimed to describe the prevalence of Type D personality in OSAS patients with CPAP treatment longer than 6 months and the association with self-reported side effects and adherence. A cross-sectional descriptive design was used. A total of 247 OSAS patients with a mean use of CPAP treatment for 55 months (6-182 months) were included. Data collection was achieved by two questionnaires, the Type D scale 14 (DS14) (Type D personality), SECI (side effects of CPAP), as well as from medical records (clinical variables and objective adherence to CPAP treatment). Type D personality occurred in 30% of the patients with OSAS and significantly (P < 0.05-0.001) increased the perceived frequency and severity of a broad range of side effects. The objective adherence was significantly lower (P < 0.001) for OSAS patients with Type D compared to OSAS patients without Type D, both with regard to a mean use of 4 h per night and 85% of the self-rated sleep time per night. The additional effect of a Type D personality on perceived side effects and adherence to CPAP treatment found in this study could be used by healthcare personnel when evaluating patients waiting for treatment. © 2007 European Sleep Research Society.

  • 18.
    Broström, Anders
    et al.
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Clinical Neurophysiology. Östergötlands Läns Landsting, Reconstruction Centre, Department of Neurophysiology UHL.
    Strömberg, Anna
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Care, Nursing Science. Östergötlands Läns Landsting, Heart Centre, Department of Cardiology.
    Ulander, Martin
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Clinical Neurophysiology.
    Fridlund, B
    Mårtensson, J
    Svanborg, Eva
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Clinical Neurophysiology. Östergötlands Läns Landsting, Reconstruction Centre, Department of Neurophysiology UHL.
    Informational needs, side effects and their consequences on adherence: A comparison between swedish healthcare professionals and CPAP-treated patients with obstructive sleep apnoea syndrome2007In: World Sleep 07,2007, 2007, p. 141-141Conference paper (Other academic)
    Abstract [en]

       

  • 19.
    Broström, Anders
    et al.
    Linköping University, Department of Medicine and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Strömberg, Anna
    Linköping University, Department of Medicine and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart Centre, Department of Cardiology.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology . Linköping University, Faculty of Health Sciences.
    Fridlund, Bengt
    Vaxjö University.
    Martensson, Jan
    Jönköping University.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Reconstruction Centre, Department of Neurophysiology UHL.
    Perceived informational needs, side-effects and their consequences on adherence-A comparison between CPAP treated patients with OSAS and healthcare personnel2009In: Patient Education and Counseling, ISSN 0738-3991, E-ISSN 1873-5134, Vol. 74, no 2, p. 228-235Article in journal (Refereed)
    Abstract [en]

    Objective: To compare perceptions among continuous positive airway pressure (CPAP) treated patients with obstructive sleep apnoea syndrome (OSAS) and healthcare personnel with regard to informational needs, side-effects and their consequences on adherence.

    Methods: A cross-sectional descriptive design was used including 350 CPAP treated OSAS patients from three Swedish hospitals and 105 healthcare personnel from 26 Swedish hospitals. Data collection was performed using two questionnaires covering informational needs, side-effects and adherence to CPAP.

    Results: Both groups perceived all surveyed informational areas as very important. Patients perceived the possibilities to learn as significantly greater in all areas (p < 0.001) compared to healthcare personnel, and scored significantly higher regarding positive effects on adherence of information about pathophysiology (p < 0.05), self-care (p < 0.001) and troubleshooting (p < 0.01). A total of I I out of 15 surveyed side-effects were perceived to be more frequent by healthcare personnel (p < 0.01 - p < 0.001). They also scored all side-effects to cause greater problems and decrease the CPAP use to a greater extent (p < 0.001).

    Conclusion: Knowledge about these differences between patients and healthcare personnel regarding educational needs, side-effects and their effects on adherence can be important when designing educational programmes to increase CPAP adherence.

    Practice implications: Measurement of these parameters before, during and after educational programs are suggested.

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  • 20.
    Broström, Anders
    et al.
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Neurophysiology.
    Strömberg, Anna
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Care, Nursing Science. Östergötlands Läns Landsting, Heart Centre, Department of Cardiology.
    Ulander, Martin
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Clinical Neurophysiology.
    Mårtensson, J
    Svanborg, Eva
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Clinical Neurophysiology. Östergötlands Läns Landsting, Reconstruction Centre, Department of Neurophysiology UHL.
    Association of type D personality to perceived side effects and adherence in CPAP-treated patients with obstructive sleep apnoea syndrome2007In: World Sleep 07,2007, 2007, p. 142-142Conference paper (Other academic)
    Abstract [en]

      

  • 21.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Sunnergren, O
    County Hospital Ryhov, Sweden .
    Johansson, P
    Östergötlands Läns Landsting.
    Svensson, E
    Swedish Defence Research Agency, Sweden .
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Preventive and Social Medicine and Public Health Science. Linköping University, Faculty of Health Sciences.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Neurophysiology UHL.
    Symptoms among hypertensive patients with undiagnosed obstructive sleep apnoea in primary care - a structural equation model analysis in JOURNAL OF SLEEP RESEARCH, vol 21, issue SI, pp 230-2302012In: JOURNAL OF SLEEP RESEARCH, Wiley-Blackwell , 2012, Vol. 21, no SI, p. 230-230Conference paper (Refereed)
    Abstract [en]

    n/a

  • 22.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Department of Nursing Science, School of Health Sciences, Jönköping University, Sweden.
    Sunnergren, Ola
    Linköping University, Department of Clinical and Experimental Medicine. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Ear-, Nose- and Throat Clinic, Ryhov County Hospital, Jönköping, Sweden.
    Franzén Årestedt, Kristofer
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences. School of Health and Caring Sciences, Faculty of Health, Social Work and Behavioural Sciences, Linneaeus University, Sweden.
    Johansson, Peter
    Linköping University, Department of Medical and Health Sciences, Cardiology. Östergötlands Läns Landsting, Heart and Medicine Center, Department of Cardiology in Linköping. Linköping University, Faculty of Health Sciences.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Riegel, Barbara
    Linköping University, Department of Medical and Health Sciences, Cardiology. Linköping University, Faculty of Health Sciences. University of Pennsylvania School of Nursing, Philadelphia, USA.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Factors associated with undiagnosed obstructive sleep apnoea in hypertensive primary care patients2012In: Scandinavian Journal of Primary Health Care, ISSN 0281-3432, E-ISSN 1502-7724, Vol. 30, no 2, p. 107-113Article in journal (Refereed)
    Abstract [en]

    Objective. In hypertensive primary care patients below 65 years of age, (i) to describe the occurrence of undiagnosed obstructive sleep apnoea (OSA), and (ii) to identify the determinants of moderate/severe OSA. Design. Cross-sectional. Setting. Four primary care health centres in Sweden. Patients. 411 consecutive patients (52% women), mean age 57.9 years (SD 5.9 years), with diagnosed and treated hypertension (BP >140/90). Main outcome measures. Occurrence of OSA as measured by the apnoea hypopnoea index (AHI). Results. Mild (AHI 5–14.9/h) and moderate/severe (AHI > 15/h) OSA were seen among 29% and 30% of the patients, respectively. Comparing those without OSA with those with mild or moderate/severe OSA, no differences were found in blood pressure, pharmacological treatment (anti-hypertensive, anti-depressive, and hypnotics), sleep, insomnia symptoms, daytime sleepiness, or depressive symptoms. Obesity (BMI > 30 kg/m2) was seen in 30% and 68% of the patients with mild and moderate/severe OSA, respectively. Male gender, BMI > 30 kg/m2, snoring, witnessed apnoeas, and sleep duration >8 hours were determinants of obstructive sleep apnoea. Conclusion. Previously undiagnosed OSA is common among patients with hypertension in primary care. Obesity, snoring, witnessed apnoeas, long sleep duration, and male gender were the best predictors of OSA, even in the absence of daytime sleepiness and depressive symptoms. 

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  • 23.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Sunnergren, Ola
    Ryhov County Hospital, Jönköping, Sweden.
    Franzén Årestedt, Kristofer
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Johansson, Peter
    Linköping University, Department of Medical and Health Sciences, Cardiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Center, Department of Cardiology in Linköping.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Riegel, Barbara
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences. University of Pennsylvania School of Nursing, Philadelphia, USA.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Factors associated with undiagnosed obstructive sleep apnoea in hypertensive primary care patients2012In: Scandinavian Journal of Primary Health Care, ISSN 0281-3432, E-ISSN 1502-7724, Vol. 30, no 2, p. 107-113Article in journal (Refereed)
    Abstract [en]

    Objective. In hypertensive primary care patients below 65 years of age, (i) to describe the occurrence of undiagnosed obstructive sleep apnoea (OSA), and (ii) to identify the determinants of moderate/severe OSA. Design. Cross-sectional. Setting. Four primary care health centres in Sweden. Patients. 411 consecutive patients (52% women), mean age 57.9 years (SD 5.9 years), with diagnosed and treated hypertension (BP andgt; 140/90). Main outcome measures. Occurrence of OSA as measured by the apnoea hypopnoea index (AHI). Results. Mild (AHI 5-14.9/h) and moderate/severe (AHI andgt; 15/h) OSA were seen among 29% and 30% of the patients, respectively. Comparing those without OSA with those with mild or moderate/severe OSA, no differences were found in blood pressure, pharmacological treatment (anti-hypertensive, anti-depressive, and hypnotics), sleep, insomnia symptoms, daytime sleepiness, or depressive symptoms. Obesity (BMI andgt; 30 kg/m(2)) was seen in 30% and 68% of the patients with mild and moderate/severe OSA, respectively. Male gender, BMI andgt; 30 kg/m(2), snoring, witnessed apnoeas, and sleep duration andgt; 8 hours were determinants of obstructive sleep apnoea. Conclusion. Previously undiagnosed OSA is common among patients with hypertension in primary care. Obesity, snoring, witnessed apnoeas, long sleep duration, and male gender were the best predictors of OSA, even in the absence of daytime sleepiness and depressive symptoms.

  • 24.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Department of Nursing Science, Jönköping University, Sweden.
    Sunnergren, Ola
    Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences. Ear, Nose and Throat Clinic, County Hospital Ryhov, Jo¨ nko¨ ping, Sweden.
    Johansson, Peter
    Linköping University, Department of Medical and Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Center, Department of Cardiology in Linköping. Linköping University, Faculty of Health Sciences.
    Svensson, Erland
    Associate Professor, Swedish Defence Research Agency, Linköping, Sweden.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Health and Society. Linköping University, Faculty of Health Sciences.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Symptom profile of undiagnosed obstructive sleep apnoea in hypertensive outpatients in primary care: a structural equation model analysis2012In: Quality in Primary Care, ISSN 1479-1072, E-ISSN 1479-1064, Vol. 20, no 4, p. 287-298Article in journal (Refereed)
    Abstract [en]

    Background

    Obstructive sleep apnoea (OSA) has been linked to hypertension in sleep clinic populations, but little is known about the symptom profile of undiagnosed OSA in hypertensive outpatients in primary care.

    Aim

    To explore characteristics associated with undiagnosed OSA in hypertensive primary care patients.

    Methods

    Cross-sectional design, including 411 consecutive patients (52% women), mean age 57.9 years (standard deviation [SD] 5.9 years), with diagnosed hypertension (blood pressure >140/90 mmHg) fromfour primary care centres. All subjects underwent a full-night, home-based, respiratory recording to establish the presence and severity of OSA. Clinical variables, medication and comorbidities, as well as data from self-rating scales regarding symptoms/characteristics, insomnia, excessive daytime sleepiness, depressive symptoms and health were collected during a clinical examination. Factor analyses and structural equation modelling (SEM) were used to explore the relationships between selfrated symptoms, clinical characteristics and objectively verified diagnosis of OSA.

    Main outcome

    Measures symptom profile of undiagnosed OSA (as measured by the Apnoea/ Hypopnoea Index [AHI]) in hypertensive outpatients in primary care.

    Results

    Fifty-nine percent of the patients had an AHI _ 5/hour indicating OSA. An exploratory factor analysis based on 19 variables yielded a six-factor model (anthropometrics, blood pressure, OSA-related symptoms, comorbidity, health complaints and physical activity) explaining 58% of the variance. SEM analyses showed strong significant associations between anthropometrics (body mass index, neck circumference, waist circumference) (0.45), OSA-related symptoms (snoring, witnessed apnoeas, dry mouth) (0.47) and AHI. No direct effects of OSA on comorbidities, blood pressure, dyssomnia or self-rated health were observed.

    Conclusion

    OSA was highly prevalent and was directly associated with anthropometrics and OSArelated symptoms (snoring, witnessed apnoeas and dry mouth in the morning). When meeting patients with hypertension, these characteristics could be used by general practitioners to identify patients who are in need of referral to a sleep clinic for OSA evaluation. 

  • 25.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Sunnergren, Ola
    Länssjukhuset Ryhov, Jönköping.
    Johansson, Peter
    Linköping University, Department of Medical and Health Sciences, Cardiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Centre, Department of Cardiology UHL.
    Svensson, Erland
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Preventive and Social Medicine and Public Health Science. Linköping University, Faculty of Health Sciences. Linköping University, Department of Medical and Health Sciences, Health Technology Assessment and Health Economics.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Neurophysiology UHL.
    Symptom profile of undiagnosed obstructive sleep apnoea in hypertensive outpatients in primary care: a structural equation model analysis2012In: Quality in Primary Care, ISSN 1479-1072, E-ISSN 1479-1064, Vol. 20, no 4, p. 287-298Article in journal (Refereed)
    Abstract [en]

    BACKGROUND:

    Obstructive sleep apnoea (OSA) has been linked to hypertension in sleep clinic populations, but little is known about the symptom profile of undiagnosed OSA in hypertensive outpatients in primary care.

    AIM:

    To explore characteristics associated with undiagnosed  OSA in hypertensive primary care patients.

    METHODS:

    Cross-sectional design, including 411 consecutive patients (52% women), mean age 57.9 years (standard deviation [SD] 5.9 years), with diagnosed hypertension (blood pressure >140/90 mmHg) from four primary care centres. All subjects  underwent a full-night, home-based, respiratory recording to establish the presence and severity of OSA. Clinical variables, medication and comorbidities, as well as data from self-rating scales regarding symptoms/characteristics, insomnia, excessive daytime sleepiness, depressive symptoms  and health were collected during a clinical examination. Factor analyses and structural equation modelling (SEM) were used to explore the relationships between self-rated symptoms, clinical characteristics and objectively verified diagnosis of OSA. Main outcome: Measures symptom  profile of undiagnosed OSA (as measured by the Apnoea/Hypopnoea Index [AHI]) in hypertensive outpatients in primary care.

    RESULTS:

    Fifty-nine percent of the patients had an AHI ≥ 5/hour indicating OSA. An exploratory factor analysis based on 19 variables yielded a six-factor model  (anthropometrics, blood pressure, OSA-related symptoms, comorbidity, health complaints and physical activity) explaining 58% of the variance. SEM analyses showed strong significant associations between anthropometrics (body mass index, neck circumference, waist circumference) (0.45), OSA-related  symptoms (snoring, witnessed apnoeas, dry mouth) (0.47) and AHI. No direct effects of OSA on comorbidities, blood pressure, dyssomnia or self-rated health were observed.

    CONCLUSION:

    OSA was highly prevalent and was directly associated with anthropometrics and OSA-related symptoms  (snoring, witnessed apnoeas and dry mouth in the morning). When meeting patients with hypertension, these characteristics could be used by general practitioners to identify patients who are in need of referral to a sleep clinic for OSA evaluation.

  • 26.
    Broström, Anders
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Department of Nursing Science, School of Health Sciences, Jönköping University, Jönköping, Sweden.
    Sunnergren, Ola
    Linköping University, Department of Clinical and Experimental Medicine. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Ear, Nose and Throat Clinic, County Hospital Ryhov, Jönköping, Sweden.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Social Medicine and Public Health Science. Linköping University, Faculty of Health Sciences.
    Fridlund, Bengt
    Department of Nursing Science, School of Health Sciences, Jönköping University, Jönköping, Sweden.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Gender differences in respiratory disturbance, sleep and daytime sleepiness in hypertensive patients with different degrees of obesity2013In: European Journal of Cardiovascular Nursing, ISSN 1474-5151, E-ISSN 1873-1953, Vol. 12, no 2, p. 140-149Article in journal (Refereed)
    Abstract [en]

    Background

    Hypertension (HT) and obesity have both been linked to obstructive sleep apnoea (OSA). Difficulties have been described in identifying patients with OSA in primary care, causing low referral rates to sleep clinics. Increased knowledge about gender-specific characteristics and symptoms may help to identify patients.

    Aim

    The aim was to describe gender differences regarding undiagnosed OSA, self-rated sleep, insomnia and daytime sleepiness in middle-aged primary care patients with HT and different degrees of obesity.

    Methods

    A cross-sectional design was used and 394 patients (52.5% women), mean age 57.8 years (SD 6.7 years), with HT (BP >140/90 mmHg) were included. Clinical examinations, respiratory recordings and self-rated scales regarding OSA symptoms, sleep, insomnia and daytime sleepiness were used. Body mass index (BMI) was classified according to the criteria from the National Institutes of Health.

    Results

    Pre-obesity and obesity classes I and II were seen among 53%, 26% and 8% of the men and 37%, 19% and 14% of the women, respectively. Occurrence of mild, moderate and severe OSA increased significantly across the BMI classes for both genders (p<0.01). Ninety percent of the men and 80% of the women in obesity class II had OSA. Insomnia was prevalent in obese patients. Other clinical variables did not differ between BMI classes or genders.

    Conclusion

    The occurrence of overweight/obesity and OSA was high among both genders. A high BMI might be a convenient clinical marker for healthcare personnel to identify hypertensive patients with possible OSA in need of further evaluation and treatment.

  • 27.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Neurophysiology UHL.
    Sunnergren, Ola
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Preventive and Social Medicine and Public Health Science. Linköping University, Department of Medical and Health Sciences, Health Technology Assessment and Health Economics. Linköping University, Faculty of Health Sciences.
    Fridlund, Bengt
    Department of Nursing Science, School of Health Sciences, Jönköping University, Jönköping, Sweden.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Neurophysiology UHL.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Neurophysiology UHL.
    Gender differences in respiratory disturbance, sleep and daytime sleepiness in hypertensive patients with different degrees of obesity2013In: European Journal of Cardiovascular Nursing, ISSN 1474-5151, E-ISSN 1873-1953, Vol. 12, no 2, p. 140-149Article in journal (Refereed)
    Abstract [en]

    Background: Hypertension (HT) and obesity have both been linked to obstructive sleep apnoea (OSA). Difficulties have been described in identifying patients with OSA in primary care, causing low referral rates to sleep clinics. Increased knowledge about gender-specific characteristics and symptoms may help to identify patients. Aim: The aim was to describe gender differences regarding undiagnosed OSA, self-rated sleep, insomnia and daytime sleepiness in middle-aged primary care patients with HT and different degrees of obesity. Methods: A cross-sectional design was used and 394 patients (52.5% women), mean age 57.8 years (SD 6.7 years), with HT (BP >140/90 mmHg) were included. Clinical examinations, respiratory recordings and self-rated scales regarding OSA symptoms, sleep, insomnia and daytime sleepiness were used. Body mass index (BMI) was classified according to the criteria from the National Institutes of Health. Results: Pre-obesity and obesity classes I and II were seen among 53%, 26% and 8% of the men and 37%, 19% and 14% of the women, respectively. Occurrence of mild, moderate and severe OSA increased significantly across the BMI classes for both genders (p<0.01). Ninety percent of the men and 80% of the women in obesity class II had OSA. Insomnia was prevalent in obese patients. Other clinical variables did not differ between BMI classes or genders. Conclusion: The occurrence of overweight/obesity and OSA was high among both genders. A high BMI might be a convenient clinical marker for healthcare personnel to identify hypertensive patients with possible OSA in need of further evaluation and treatment.

  • 28.
    Broström, Anders
    et al.
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonkoping Univ, Sweden.
    Ulander, Martin
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Nilsen, Per
    Linköping University, Department of Health, Medicine and Caring Sciences, Division of Society and Health. Linköping University, Faculty of Medicine and Health Sciences.
    Lin, Chung-Ying
    Hong Kong Polytech Univ, Peoples R China.
    Pakpour, A. H.
    Jonkoping Univ, Sweden; Qazvin Univ Med Sci, Iran.
    Development and psychometric evaluation of the Motivation to Use CPAP Scale (MUC-S) using factorial structure and Rasch analysis among patients with obstructive sleep apnea before CPAP treatment is initiated2021In: Sleep and Breathing, ISSN 1520-9512, E-ISSN 1522-1709, Vol. 25, p. 627-637Article in journal (Refereed)
    Abstract [en]

    Background Continuous positive airway treatment (CPAP) is first-line treatment for obstructive sleep apnea (OSA), but adherence tends to be low. A clinical tool focusing on motivation to use CPAP is missing. The purpose was to develop a brief questionnaire to assess motivation to use CPAP that is psychometrically robust and suitable for use in clinical practice. Methods A convenience sample including 193 treatment naive patients with OSA (67% men; mean age = 59.7 years, SD 11.5) from two CPAP clinics was used. Clinical assessments and full night polygraphy were performed. Questionnaires administered before CPAP treatment included the newly developed Motivation to Use CPAP Scale (MUC-S), Minimal Insomnia Symptoms Scale (MISS), Epworth Sleepiness Scale (ESS), and Attitude towards CPAP treatment Inventory (ACTI). The validity and reliability of the MUC-S were investigated using Rasch and exploratory factor analysis models. Measurement invariance, dimensionality and differential item functioning (i.e., across gender groups, excessive daytime sleepiness (ESS), insomnia (MISS) and attitude towards CPAP (ACTI) groups) were assessed. Results The results supported a two-factor solution (autonomous motivation, 6 items, factor loadings between 0.61 and 0.85 and controlled motivation, 3 items, factor loadings between 0.79 and 0.88) explaining 60% of the total variance. The internal consistency was good with Cronbachs alpha of 0.88 and 0.86 for the two factors. No differential item functioning was found. A latent class analysis yielded three profiles of patients with high (n = 111), moderate (n = 60) and low (n = 22) motivation. Patients with high motivation were older, had higher daytime sleepiness scores, more insomnia symptoms and a more positive attitude towards CPAP. Conclusions The MUC-S seems to be a valid tool with robust psychometric properties suitable for use at CPAP clinics. Future studies should focus on how motivation changes over time and if MUC-S can predict objective long-term CPAP adherence.

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  • 29.
    Broström, Anders
    et al.
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Preventive and Social Medicine and Public Health Science. Linköping University, Faculty of Health Sciences.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Neurophysiology UHL.
    Franzén Årestedt, Kristofer
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Medical and Health Sciences, Nursing Science.
    The attitudes to CPAP treatment inventory: development and initial validation of a new tool for measuring attitudes to CPAP treatment2011In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 20, no 3, p. 460-471Article in journal (Refereed)
    Abstract [en]

    ontinuous positive airway pressure (CPAP) is the treatment of choice for obstructive sleep apnoea syndrome (OSAS), but low adherence rates are common. The aim was to develop the attitudes to CPAP treatment inventory (ACTI), and to investigate the validity and reliability of the instrument among patients with OSAS. ACTI was developed on the basis of: (i) in-depth interviews with 23 patients; (ii) examination of the scientific literature; and (iii) consensus agreement of a multi-professional expert panel. This yielded five different types of attitudes to CPAP treatment. A prospective longitudinal design was used. Two-hundred and eighty-nine patients with OSAS were recruited at three different CPAP centres. Data were collected with ACTI and obtained from medical records. The homogeneity and internal consistency reliability were satisfactorily reflected by the item-total correlations (0.59-0.81) and Cronbachs alpha (0.89), respectively. Construct validity was confirmed with factor analysis (principal component analysis with orthogonal rotation; PCF). The PCF based on baseline data resulted in a one single-factor solution explaining 69% of the total variance. A confirmatory factor analysis was performed 2 weeks after CPAP initiation, resulting in the same factor solution. No indication of uniform differential item functioning was found. The predictive validity was tested with receiver operating characteristic analyses, and a cut-off of 10 on the ACTI gave a sensitivity of 93% and a specificity of 44% for CPAP termination within 6 months. The satisfactory measurement properties of this new pragmatic instrument are promising and indicate that ACTI can be useful in clinical practice to reliably measure attitudes to CPAP treatment.

  • 30.
    Broström, Anders
    et al.
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Department of Nursing, School of Health and Welfare, Jönköping University, Sweden.
    Wahlin, Ake
    Institute of Gerontology, School of Health and Welfare, Jönköping University, Sweden.
    Alehagen, Urban
    Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Cardiology in Linköping.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Johansson, Peter
    Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Cardiology in Linköping. Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine.
    Sex-Specific Associations Between Self-reported Sleep Duration, Cardiovascular Disease, Hypertension, and Mortality in an Elderly Population.2018In: Journal of Cardiovascular Nursing, ISSN 0889-4655, E-ISSN 1550-5049, Vol. 33, no 5, p. 422-428Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Both short and long sleep durations have been associated to increased mortality. Knowledge about sex-specific differences among elderly regarding associations between sleep duration, cardiovascular health, and mortality is sparse.

    OBJECTIVE: The aims of this study are to examine the association between self-reported sleep duration and mortality and to investigate whether this association is sex specific and/or moderated by cardiovascular morbidity, and also to explore potential mediators of sleep duration effects on mortality.

    METHODS: A population-based, observational, cross-sectional design with 6-year follow-up with mortality as primary outcome was conducted. Self-rated sleep duration, clinical examinations, echocardiography, and blood samples (N-terminal fragment of proBNP) were collected. A total of 675 persons (50% women; mean age, 78 years) were divided into short sleepers (≤6 hours; n = 231), normal sleepers (7-8 hours; n = 338), and long sleepers (≥9 hours; n = 61). Data were subjected to principal component analyses. Cardiovascular disease (CVD) and hypertension factors were extracted and used as moderators and as mediators in the regression analyses.

    RESULTS: During follow-up, 55 short sleepers (24%), 68 normal sleepers (20%), and 21 long sleepers (34%) died. Mediator analyses showed that long sleep was associated with mortality in men (hazard ratio [HR], 1.8; P = .049), independently of CVD and hypertension. In men with short sleep, CVD acted as a moderator of the association with mortality (HR, 4.1; P = .025). However, when using N-terminal fragment of proBNP, this effect became nonsignificant (HR, 3.1; P = .06). In woman, a trend to moderation involving the hypertension factor and short sleep was found (HR, 4.6; P = .09).

    CONCLUSION: Short and long sleep duration may be seen as risk markers, particularly among older men with cardiovascular morbidity.

  • 31.
    Broström, Anders
    et al.
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonkoping Univ, Sweden.
    Wahlin, Ake
    Jonkoping Univ, Sweden.
    Alehagen, Urban
    Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Cardiology in Linköping.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Johansson, Peter
    Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Cardiology in Linköping. Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine.
    Sex-specific associations between self-reported sleep duration, depression, anxiety, fatigue and daytime sleepiness in an older community-dwelling population2018In: Scandinavian Journal of Caring Sciences, ISSN 0283-9318, E-ISSN 1471-6712, Vol. 32, no 1, p. 290-298Article in journal (Refereed)
    Abstract [en]

    PurposeThe purpose of this study was to explore whether associations between self-reported sleep duration, depressive symptoms, anxiety, fatigue and daytime sleepiness differed in older community-dwelling men and women. DesignCross-sectional. MethodsA community-dwelling sample of 675 older men and women (mean age 77.7years, SD 3.8years) was used. All participants underwent a clinical examination by a cardiologist. Validated questionnaires were used to investigate sleep duration, depressive symptoms, anxiety, fatigue and daytime sleepiness. Subjects were divided into short sleepers (6hours), n=231; normal sleepers (7-8hours), n=338; and long sleepers (9hours), n=61. ancovas were used to explore sex-specific effects. ResultsDepressive symptoms were associated with short sleep in men, but not in women. Fatigue was associated with both short and long sleep duration in men. No sex-specific associations of sleep duration with daytime sleepiness or anxiety were found. ConclusionNurses investigating sleep duration and its correlates, or effects, in clinical practice need to take sex into account, as some associations may be sex specific. Depressive symptoms and fatigue can be used as indicators to identify older men with sleep complaints.

  • 32.
    Eleftheriou, Andreas
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Local Health Care Services in Central Östergötland, Department of Neurology.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Lundin, Fredrik
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Local Health Care Services in Central Östergötland, Department of Neurology.
    Circadian rhythm in idiopathic normal pressure hydrocephalus2018In: Clinical neurology and neurosurgery (Dutch-Flemish ed. Print), ISSN 0303-8467, E-ISSN 1872-6968, Vol. 164, p. 72-74Article in journal (Refereed)
    Abstract [en]

    Objectives: The pathogenesis of idiopathic normal pressure hydrocephalus (iNPH) takes place in structures close to the cerebral ventricular system. Suprachiasmatic nucleus (SCN), situated close to the third ventricle, is involved in circadian rhythm. Diurnal disturbances are well-known in demented patients. The cognitive decline in iNPH is potentially reversible after a shunt operation. Diurnal rhythm has never been studied in iNPH. We hypothesize that there is a disturbance of circadian rhythm in iNPH-patients and the aim was to study any changes of the diurnal rhythm (mesor and circadian period) as well as any changes of the diurnal amplitude and acrophase of the activity in iNPH-patients before and after a shunt operation. Patients and methods: Twenty consecutive iNPH-patients fulfilling the criteria of the American iNPH-guidelines, 9 males and 11 females, mean age 73 (49-81) years were included. The patients underwent a pre-operative clinical work-up including 10 m walk time (w10mt) steps (w10 ms), TUG-time (TUGt) and steps (TUGs) and for cognitive function an MMSE score was measured. In order to receive circadian rhythm data actigraphic recordings were performed using the SenseWear 2 (BodyMedia Inc Pittsburgh, PA, USA) actigraph. Cosinor analyses of accelerometry data were performed in "R" using non-linear regression with Levenburg-Marquardt estimation. Pre- and post-operative data regarding mesor, amplitude and circadian period were compared using Wilcoxon-Mann-Whitney test for paired data. Results: Twenty patients were evaluated before and three month post-operatively. Motor function (w10mt, w10 ms, TUGt, TUGs) was significantly improved while MMSE was not significantly changed. Actigraphic measurements (mesor, amplitude and circadian period) showed no significant changes after shunt operation. Conclusion: This is the first systematic study of circadian rhythm in iNPH-patients. We found no significant changes in circadian rhythm after shunt surgery. The conceptual idea of diurnal rhythm changes in hydrocephalus is still interesting from a theoretical standpoint and warrants further studies that could include a combination of better designed actigraphic studies in combination with neuroendocrine markers and imaging methods

  • 33.
    Gardner, Benjamin
    et al.
    UCL, England.
    Broström, Anders
    Linköping University, Department of Medical and Health Sciences, Division of Nursing Science. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Nilsen, Per
    Linköping University, Department of Medical and Health Sciences, Division of Health Care Analysis. Linköping University, Faculty of Health Sciences.
    Hrubos Strom, Harald
    Akershus University Hospital, Norway.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuroscience. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Fridlund, Bengt
    Jonköping University, Sweden.
    Skagerström (Malmsten), Janna
    Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Health Sciences.
    Johansson, Peter
    Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Center, Department of Cardiology in Linköping.
    Editorial Material: From does it work? to what makes it work?: The importance of making assumptions explicit when designing and evaluating behavioural interventions in EUROPEAN JOURNAL OF CARDIOVASCULAR NURSING, vol 13, issue 4, pp 292-2942014In: European Journal of Cardiovascular Nursing, ISSN 1474-5151, E-ISSN 1873-1953, Vol. 13, no 4, p. 292-294Article in journal (Other academic)
    Abstract [en]

    n/a

  • 34.
    Grote, Ludger
    et al.
    Univ Gothenburg, Sweden; Sahlgrens Univ Hosp, Sweden.
    Theorell-Haglöw, Jenny
    Uppsala Univ, Sweden; Uppsala Univ Hosp, Sweden.
    Ulander, Martin
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Hedner, Jan
    Univ Gothenburg, Sweden; Sahlgrens Univ Hosp, Sweden.
    Prolonged Effects of the COVID-19 Pandemic on Sleep Medicine Services: Longitudinal Data from the Swedish Sleep Apnea Registry2021In: Sleep Medicine Clinics, ISSN 1556-407X, E-ISSN 1556-4088, Vol. 16, no 3, p. 409-416Article in journal (Refereed)
    Abstract [en]

    n/a

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  • 35.
    Gustafsson, Greta
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Broström, Anders
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Department of Nursing Science, School of Health Sciences, Jönköping University, Jönköping, Sweden.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Vrethem, Magnus
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Local Health Care Services in Central Östergötland, Department of Neurology.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Occurrence of epileptiform discharges and sleep during EEG recordings in children after melatonin intake versus sleep-deprivation2015In: Clinical Neurophysiology, ISSN 1388-2457, E-ISSN 1872-8952, Vol. 126, no 8, p. 1493-1497Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE:

    To determine if melatonin is equally efficient as partial sleep deprivation in inducing sleep without interfering with epileptiform discharges in EEG recordings in children 1-16years old.

    METHODS:

    We retrospectively analysed 129 EEGs recorded after melatonin intake and 113 EEGs recorded after partial sleep deprivation. Comparisons were made concerning occurrence of epileptiform discharges, the number of children who fell asleep and the technical quality of EEG recordings. Comparison between different age groups was also made.

    RESULTS:

    No significant differences were found regarding occurrence of epileptiform discharges (33% after melatonin intake, 36% after sleep deprivation), or proportion of unsuccessful EEGs (8% and 10%, respectively). Melatonin and sleep deprivation were equally efficient in inducing sleep (70% in both groups). Significantly more children aged 1-4years obtained sleep after melatonin intake in comparison to sleep deprivation (82% vs. 58%, p⩽0.01), and in comparison to older children with melatonin induced sleep (58-67%, p⩽0.05). Sleep deprived children 9-12years old had higher percentage of epileptiform discharges (62%, p⩽0.05) compared to younger sleep deprived children.

    CONCLUSION:

    Melatonin is equally efficient as partial sleep deprivation to induce sleep and does not affect the occurrence of epileptiform discharges in the EEG recording. Sleep deprivation could still be preferable in older children as melatonin probably has less sleep inducing effect.

    SIGNIFICANCE:

    Melatonin induced sleep have advantages, especially in younger children as they fall asleep easier than after sleep deprivation. The procedure is easier for the parents than keeping a young child awake for half the night.

  • 36.
    Hellstrom, Amanda
    et al.
    Linnaeus Univ, Sweden.
    Hagell, Peter
    Kristianstad Univ, Sweden.
    Broström, Anders
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonkoping Univ, Sweden.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Luik, Annemarie I.
    Univ Oxford, England; Erasmus MC Univ Med Ctr, Netherlands.
    Espie, Colin A.
    Univ Oxford, England.
    Arestedt, Kristofer
    Linnaeus Univ, Sweden; Reg Kalmar Cty, Sweden.
    A classical test theory evaluation of the Sleep Condition Indicator accounting for the ordinal nature of item response data2019In: PLOS ONE, E-ISSN 1932-6203, Vol. 14, no 3, article id e0213533Article in journal (Refereed)
    Abstract [en]

    Background Insomnia symptoms are common among young adults and affect about 5% to 26% of 19 to 34-year-olds. In addition, insomnia is associated with poor mental health and may affect daily performance. In research, as well as in clinical practice, sleep questionnaires are used to screen for and diagnose insomnia. However, most questionnaires are not developed according to current DSM-5 diagnostic criteria. An exception is the recently developed Sleep Condition Indicator (SCI), an eight-item scale screening for insomnia. Aim The aim of this study was to perform a Classical Test Theory (CTT) based psychometric evaluation of the SCI in a sample of Swedish university students, by taking the ordinal nature of item level data into account. Methods The SCI was translated into Swedish and distributed online to undergraduate students at three Swedish universities, within programs of health, psychology, science or economy. Of 3673 invited students, 634 (mean age 26.9 years; SD = 7.4) completed the questionnaire that, in addition to the SCI, comprised other scales on sleep, stress, lifestyle and students study environment. Data were analyzed according to CTT investigating data completeness, item homogeneity and unidimensionality. Results Polychoric based explorative factor analysis suggested unidimensionality of the SCI, and internal consistency was good (Cronbachs alpha, 0.91; ordinal alpha, 0.94). SCI scores correlated with the Insomnia Severity Index (-0.88) as well as with sleep quality (-0.85) and perceived stress (-0.50), supporting external construct validity. Conclusions These observations support the integrity of the of the SCI. The SCI demonstrates sound CTT-based psychometric properties, supporting its use as an insomnia screening tool.

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  • 37.
    Hendriks, Jeroen M. L.
    et al.
    Maastricht University, Netherlands.
    Johansson, Peter
    Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Center, Department of Cardiology in Linköping.
    Strömberg, Anna
    Linköping University, Department of Medical and Health Sciences, Division of Nursing Science. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Center, Department of Cardiology in Linköping.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuroscience. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Broström, Anders
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuroscience. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jönköping University, Sweden .
    Editorial Material: Sleep disordered breathing - A hidden co-morbidity in patients with atrial fibrillation? in EUROPEAN JOURNAL OF CARDIOVASCULAR NURSING, vol 13, issue 6, pp 480-4822014In: European Journal of Cardiovascular Nursing, ISSN 1474-5151, E-ISSN 1873-1953, Vol. 13, no 6, p. 480-482Article in journal (Other academic)
    Abstract [en]

    n/a

  • 38.
    Iversen, Clara
    et al.
    Uppsala University, Sweden.
    Broström, Anders
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonköping University, Sweden.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Balancing task focus and relationship building: asking sleepy patients about traffic risk in treatment initiation consultations2017In: Scandinavian Journal of Caring Sciences, ISSN 0283-9318, E-ISSN 1471-6712, Vol. 31, no 4, p. 895-903Article in journal (Refereed)
    Abstract [en]

    BackgroundThe use of traffic risk assessment questions is an understudied area in nursing research. Obstructive sleep apnoea is associated with an increased risk of traffic accidents. Therefore, traffic safety authorities demand adherent continuous positive airway pressure use. Nurses act as coaches to achieve treatment adherence, but they are also obliged to act as state agents by prohibiting obstructive sleep apnoea patients from drowsy driving. ObjectiveTo examine how nurses and obstructive sleep apnoea patients manage traffic risk assessment questions in the relation-building context of treatment initiation consultations. MethodsTo study, in detail, the actual practice of risk assessment, we used conversation analysis of 19 video-recorded initial treatment consultations with nurses and recently diagnosed obstructive sleep apnoea patients. EthicsThe study received ethical approval from the Central Ethical Review Board in Linkoping (registration number 214/231-32) and follows the ethical guidelines for qualitative research. ResultsPatients influence how nurses phrase questions about traffic risk by taking a stance to daytime sleepiness prior to the risk question. Nurses ask traffic risk questions in a way that assumes that driving is unproblematic if patients have not previously indicated problems. It may pose a significant problem when nurses, by accepting patients prior stance when asking about traffic risk, orient to relationship building rather than task focus. ConclusionTo clarify the difference between their two potentially conflicting roles, nurses need to refer to existing laws and official guidelines when they raise the issue of risk in treatment initiation consultations. Nurses should also ask risk assessment questions in a problem-oriented communicative environment. Traffic risk assessment is sensitive yet important, as obstructive sleep apnoea is a highly prevalent problem causing excessive sleepiness. It is essential to acknowledge nurses double roles with regard to coaching continuous positive airway pressure treatment and assessing traffic risk.

  • 39.
    Iversen, Clara
    et al.
    Uppsala Univ, Sweden.
    Broström, Anders
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. School of Health and Welfare, Jönköping University, Jönköping, Sweden.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Traffic risk work with sleepy patients: from rationality to practice2018In: Health, Risk and Society, ISSN 1369-8575, E-ISSN 1469-8331, Vol. 20, no 1-2, p. 23-42Article in journal (Refereed)
    Abstract [en]

    In this article, we aim to contribute to the emerging field of risk-work studies by examining the relationship between risk rationality and risk practices in nurses conversations with Obstructive Sleep Apnoea patients about traffic risks. Legislation in Sweden towards traffic risk involves clinicians making risk assessment of patients prone to falling asleep while driving. In contrast to an overall care rationale, this means that the health of the patient is not the only risk object in treatment consultations. However, guidelines on how to implement legislation are missing. To examine the practical reality of nurses traffic-risk work, we draw on an analysis of data from a Swedish study in 2015. This study included qualitative interviews with specialist nurses and video-recorded interactions between nurses and Obstructive Sleep Apnoea patients. We found that a lack of clarity in traffic-risk guidelines on how risk should be addressed was evident in both interview accounts and in observed practice. While nurses primarily accounted for risk work as treatment-relevant education, they practised risk work as interrogation. Patients also treated nurses inquiries as assessment - not education - by responding defensively. We conclude that while confusing risk work and treatment enables clinicians to treat patients as competent actors, it obscures the controlling aspects of traffic-risk questions for individual patients and downplays the implications of drowsy driving for general traffic safety.

  • 40.
    Johansson, Peter
    et al.
    Linköping University, Department of Medical and Health Sciences, Cardiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Centre, Department of Cardiology UHL.
    Alehagen, Urban
    Linköping University, Department of Medical and Health Sciences, Cardiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Centre, Department of Cardiology UHL.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Neurophysiology UHL.
    Dahlström, Ulf
    Linköping University, Department of Medical and Health Sciences, Cardiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Centre, Department of Cardiology UHL.
    Broström, Anders
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Sleep disordered breathing in community dwelling elderly: Associations with cardiovascular disease, impaired systolic function, and mortality after a six-year follow-up2011In: Sleep Medicine, ISSN 1389-9457, E-ISSN 1878-5506, Vol. 12, no 8, p. 748-753Article in journal (Refereed)
    Abstract [en]

    Introduction: Sleep disordered breathing (SDB), cardiovascular disease (CVD) and impaired cardiac function are common in elderly people. We investigated the association of SDB and mortality in a community dwelling elderly population, considering CVD and objectively measured impaired cardiac function have been poorly studied thus far. less thanbrgreater than less thanbrgreater thanAim: To investigate whether SDB is a factor that affects mortality in elderly people, with a focus on those with CVD and/or signs of impaired cardiac function. less thanbrgreater than less thanbrgreater thanMethods: A prospective cohort design was used and 331 community dwelling elderly aged 71-87 years underwent one-night polygraphic recordings in the subjects homes. CVD and systolic function were objectively established. Mortality data were collected after 6 years. less thanbrgreater than less thanbrgreater thanResults: in the total population there were no significant associations between mortality and SOB. In those with CVD and impaired systolic function, as measured by NT-proBNP, oxygen desaturation index (ODI) andgt;= 10 was associated with mortality. The hazard ratio of 3.0 (Cl 95% 1.1-8.6, p = 0.03) remained statistically significant after adjustments for age, gender, diabetes and plasma values of NT-proBNP. less thanbrgreater than less thanbrgreater thanConclusion: SOB in community dwelling elderly has no overall association to mortality irrespective of degree of SDB. However, hypoxic events (i.e., ODI andgt;= 10) were associated with mortality in the group who had CVD in combination with impaired systolic function.

  • 41.
    Johansson, Peter
    et al.
    Linköping University, Department of Medical and Health Sciences, Cardiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Centre, Department of Cardiology UHL.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Alehagen, Urban
    Linköping University, Department of Medical and Health Sciences, Cardiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Centre, Department of Cardiology UHL.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Neurophysiology UHL.
    Dahlström, Ulf
    Linköping University, Department of Medical and Health Sciences, Cardiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Centre, Department of Cardiology UHL.
    Broström, Anders
    Linköping University, Department of Medical and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Sleep disordered breathing in community dwelling elderly-associations to cardiovascular disease, impaired systolic function and mortality. A six year follow-up in EUROPEAN HEART JOURNAL, vol 31, issue , pp 234-2342010In: EUROPEAN HEART JOURNAL, Oxford University Press , 2010, Vol. 31, p. 234-234Conference paper (Refereed)
    Abstract [en]

    n/a

  • 42.
    Lin, Chung-Ying
    et al.
    Hong Kong Polytech Univ, Peoples R China.
    Cheng, Andy S. K.
    Hong Kong Polytech Univ, Peoples R China.
    Nejati, Babak
    Tabriz Univ Med Sci, Iran.
    Imani, Vida
    Tabriz Univ Med Sci, Iran.
    Ulander, Martin
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Browall, Maria
    Jonkoping Univ, Sweden.
    Griffiths, Mark D.
    Nottingham Trent Univ, England.
    Broström, Anders
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonkoping Univ, Sweden.
    Pakpour, Amir H.
    Jonkoping Univ, Sweden; Qazvin Univ Med Sci, Iran.
    A thorough psychometric comparison between Athens Insomnia Scale and Insomnia Severity Index among patients with advanced cancer2020In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 29, no 1, article id e12891Article in journal (Refereed)
    Abstract [en]

    For patients with cancer, sleep disturbance is commonplace. Using classical test theory and Rasch analyses, the present study compared two commonly used psychometric instruments for insomnia - Athens Insomnia Scale and Insomnia Severity Index - among patients with advanced cancer. Through convenience sampling, patients with cancer at stage III or IV (n = 573; 326 males; mean age = 61.3 years; SD = 10.7) from eight oncology units of university hospitals in Iran participated in the study. All the participants completed the Athens Insomnia Scale, Insomnia Severity Index, Edmonton Symptom Assessment Scale, Hospital Anxiety and Depression Scale, General Health Questionnaire-12, Epworth Sleepiness Scale and Pittsburgh Sleep Quality Index. Additionally, 433 participants wore an Actigraph device for two continuous weekdays. Classical test theory and Rasch analysis both supported the construct validity for Athens Insomnia Scale (factor loadings from confirmatory factor analysis = 0.61-0.87; test-retest reliability = 0.72-0.82; infit mean square = 0.81-1.17; outfit MnSq = 0.79-1.14) and for Insomnia Severity Index (factor loadings from confirmatory factor analysis = 0.61-0.81; test-retest reliability = 0.72-0.82; infit mean square = 0.72-1.14; outfit mean square = 0.76-1.11). Both Athens Insomnia Scale and Insomnia Severity Index had significant associations with Edmonton Symptom Assessment Scale, Hospital Anxiety and Depression Scale, General Health Questionnaire-12, Epworth Sleepiness Scale and Pittsburgh Sleep Quality Index, as well as having good sensitivity and specificity. Significant differences in the actigraphy measure were found between insomniacs and non-insomniacs based on Athens Insomnia Scale or Insomnia Severity Index score. With promising results, healthcare providers can use either Athens Insomnia Scale or Insomnia Severity Index to understand the insomnia of patients with advanced cancer.

  • 43.
    Lin, Chung-Ying
    et al.
    Natl Cheng Kung Univ, Taiwan; Natl Cheng Kung Univ Hosp, Taiwan.
    Potenza, Marc N.
    Yale Univ, CT 06510 USA; Yale Univ, CT 06510 USA; Connecticut Council Problem Gambling, CT 06109 USA; Connecticut Mental Hlth Ctr, CT 06519 USA.
    Ulander, Martin
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Broström, Anders
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonkoping Univ, Sweden.
    Ohayon, Maurice M.
    Stanford Univ, CA 94303 USA.
    Chattu, Vijay Kumar
    Univ Toronto, Canada; Saveetha Univ, India.
    Pakpour, Amir H.
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Qazvin Univ Med Sci, Iran.
    Longitudinal Relationships between Nomophobia, Addictive Use of Social Media, and Insomnia in Adolescents2021In: Healthcare, E-ISSN 2227-9032, Vol. 9, no 9, article id 1201Article in journal (Refereed)
    Abstract [en]

    (1) Background: Temporal relationships between nomophobia (anxiety related to no mobile phone phobia), addictive use of social media, and insomnia are understudied. The present study aimed to use a longitudinal design to investigate temporal relationships between nomophobia, addictive use of social media, and insomnia among Iranian adolescents; (2) Methods: A total of 1098 adolescents (600 males; 54.6%; age range = 13 to 19) were recruited from 40 randomly selected classes in Qazvin, Iran. They completed baseline assessments. The same cohort was invited to complete three follow-up assessments one month apart. Among the 1098 adolescents, 812 (400 males; 49.3%; age range = 13 to 18) completed the baseline and three follow-up assessments. In each assessment, the participants completed three questionnaires, including the Nomophobia Questionnaire (NMP-Q), Bergen Social Media Addiction Scale (BSMAS), and Insomnia Severity Index (ISI); (3) Results: Multilevel linear mixed-effects regression analyses showed that participants demonstrated increased insomnia longitudinally over 3 months (B = 0.12 and 0.19; p = 0.003 and &lt;0.001). Insomnia was associated with nomophobia (B = 0.20; p &lt; 0.001) and addictive use of social media (B = 0.49; p &lt; 0.001). Nomophobia and addictive use of social media interacted with time in associations with insomnia as demonstrated by significant interaction terms (B = 0.05; p &lt; 0.001 for nomophobia; B = 0.13; p &lt; 0.001 for addictive use of social media); (4) Conclusions: Both nomophobia and addictive use of social media are potential risk factors for adolescent insomnia. The temporal relationship between the three factors suggests that parents, policymakers, and healthcare providers may target reducing nomophobia and addictive use of social media to improve adolescents sleep.

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  • 44.
    Lundin, Fredrik
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Neurology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Local Health Care Services in Central Östergötland, Department of Neurology.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    Svanborg, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Neurophysiology UHL.
    Wikkelsø, C.
    Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Sweden.
    Leijon, Göran
    Linköping University, Department of Clinical and Experimental Medicine, Neurology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Local Health Care Services in Central Östergötland, Department of Neurology.
    How active are patients with idiopathic normal pressure hydrocephalus and does activity improve after shunt surgery? A controlled actigraphic study.2012In: Clinical neurology and neurosurgery (Dutch-Flemish ed. Print), ISSN 0303-8467, E-ISSN 1872-6968, Vol. 115, no 2, p. 192-196Article in journal (Refereed)
    Abstract [en]

    INTRODUCTION: Actigraphy allows long-time evaluation of physical activity and resting behaviour in a normal environment. The aim of this study was, by use of actigraphy, to measure motor function, energy expenditure and resting/sleeping time in idiopathic normal pressure hydrocephalus (iNPH) patients before and after surgery, and compare the results with healthy individuals (HI).

    SUBJECTS AND METHODS: 33 patients (mean 73 year) and 17 HI (mean 73 year) participated. Actigraphy with SenseWear (BodyMedia Inc., Pittsburgh, PA, USA) was recorded in the iNPH patients before and three months postoperatively and twice in the HI with a three-month interval. In addition, gait speed, timed up and Go (TUG) and MMSE were registered pre- and post-operatively.

    RESULTS: During daytime the patients took fewer steps (p<0.001) and their total energy expenditure (TEE) was lower (p<0.01) than in the HI. Twenty patients were evaluated pre- and post-operatively and no change in either the number of steps, TEE, or time spent lying/sleeping after surgery could be detected. iNPH patients had lower gait speed, worse TUG and MMSE compared to the HI. Gait and TUG improved after surgery.

    CONCLUSION: Actigraphy in iNPH patients indicated reduced ambulatory activity and lower energy expenditure compared to HI preoperatively. This did not change postoperatively in spite of improved TUG and gait speed.

  • 45.
    Majd, Nilofar Rajabi
    et al.
    Qazvin Univ Med Sci, Iran.
    Broström, Anders
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonkoping Univ, Sweden.
    Ulander, Martin
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Linköping University, Faculty of Medicine and Health Sciences.
    Lin, Chung-Ying
    Hong Kong Polytech Univ, Peoples R China.
    Griffiths, Mark D.
    Nottingham Trent Univ, England.
    Imani, Vida
    Tabriz Univ Med Sci, Iran.
    Ahorsu, Daniel Kwasi
    Hong Kong Polytech Univ, Peoples R China.
    Ohayon, Maurice M.
    Stanford Univ, CA 94304 USA.
    Pakpour, Amir H.
    Qazvin Univ Med Sci, Iran; Jonkoping Univ, Sweden.
    Efficacy of a Theory-Based Cognitive Behavioral Technique App-Based Intervention for Patients With Insomnia: Randomized Controlled Trial2020In: Journal of Medical Internet Research, E-ISSN 1438-8871, Vol. 22, no 4, article id e15841Article in journal (Refereed)
    Abstract [en]

    Background: Sleep hygiene is important for maintaining good sleep and reducing insomnia. Objective: This study examined the long-term efficacy of a theory-based app (including cognitive behavioral therapy [CBT], theory of planned behavior [TPB], health action process approach [HAPA], and control theory [CT]) on sleep hygiene among insomnia patients. Methods: The study was a 2-arm single-blind parallel-group randomized controlled trial (RCT). Insomnia patients were randomly assigned to a treatment group that used an app for 6 weeks (ie, CBT for insomnia [CBT-I], n=156) or a control group that received only patient education (PE, n=156) through the app. Outcomes were assessed at baseline and 1 month, 3 months, and 6 months postintervention. Primary outcomes were sleep hygiene, insomnia, and sleep quality. Secondary outcomes included attitudes toward sleep hygiene behavior, perceived behavioral control, behavioral intention, action and coping planning, self-monitoring, behavioral automaticity, and anxiety and depression. Linear mixed models were used to evaluate the magnitude of changes in outcomes between the two groups and across time. Results: Sleep hygiene was improved in the CBT-I group compared with the PE group (P=.02 at 1 month, P=.04 at 3 months, and P=.02 at 6 months) as were sleep quality and severity of insomnia. Mediation analyses suggested that perceived behavioral control on sleep hygiene as specified by TPB along with self-regulatory processes from HAPA and CT mediated the effect of the intervention on outcomes. Conclusions: Health care providers might consider using a CBT-I app to improve sleep among insomnia patients.

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  • 46.
    Morales Drissi, Natasha
    et al.
    Linköping University, Department of Medical and Health Sciences, Division of Radiological Sciences. Linköping University, Faculty of Medicine and Health Sciences. Linköping University, Center for Medical Image Science and Visualization (CMIV).
    Szakacs, Attila
    Univ Gothenburg, Sweden.
    Witt, Suzanne Tyson
    Linköping University, Center for Medical Image Science and Visualization (CMIV). Linköping University, Faculty of Medicine and Health Sciences.
    Wretman, Anna
    Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences. Region Östergötland, Local Health Care Services in Central Östergötland, Department of Neurology in Linköping.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Stahlbrandt, Henriettae
    Highland Hosp, Sweden.
    Darin, Niklas
    Univ Gothenburg, Sweden.
    Hallbook, Tove
    Univ Gothenburg, Sweden.
    Landtblom, Anne-Marie
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Local Health Care Services in Central Östergötland, Department of Neurology in Linköping. Uppsala Univ, Sweden.
    Engström, Maria
    Linköping University, Department of Medical and Health Sciences, Division of Radiological Sciences. Linköping University, Faculty of Medicine and Health Sciences. Linköping University, Center for Medical Image Science and Visualization (CMIV).
    Corrigendum: Altered Brain Microstate Dynamics in Adolescents With Narcolepsy (vol 10, 369, 2016)2019In: Frontiers in Human Neuroscience, E-ISSN 1662-5161, Vol. 13, article id 385Article in journal (Other academic)
    Abstract [en]

    n/a

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  • 47.
    Morales Drissi, Natasha
    et al.
    Linköping University, Department of Medical and Health Sciences, Division of Radiological Sciences. Linköping University, Faculty of Medicine and Health Sciences.
    Szakacs, Attila
    University of Gothenburg, Sweden.
    Witt, Suzanne
    Linköping University, Center for Medical Image Science and Visualization (CMIV). Linköping University, Faculty of Medicine and Health Sciences.
    Wretman, Anna
    Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Ståhlbrandt, Henriettae
    Highland Hospital, Sweden.
    Darin, Niklas
    University of Gothenburg, Sweden.
    Hallbook, Tove
    University of Gothenburg, Sweden.
    Landtblom, Anne-Marie
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Local Health Care Services in Central Östergötland, Department of Neurology. Linköping University, Center for Medical Image Science and Visualization (CMIV). Uppsala University, Sweden.
    Engström, Maria
    Linköping University, Department of Medical and Health Sciences, Division of Radiological Sciences. Linköping University, Faculty of Medicine and Health Sciences. Linköping University, Center for Medical Image Science and Visualization (CMIV).
    Altered Brain Microstate Dynamics in Adolescents with Narcolepsy2016In: Frontiers in Human Neuroscience, E-ISSN 1662-5161, Vol. 10, no 369Article in journal (Refereed)
    Abstract [en]

    Narcolepsy is a chronic sleep disorder caused by a loss of hypocretin-1 producing neurons in the hypothalamus. Previous neuroimaging studies have investigated brain function in narcolepsy during rest using positron emission tomography (PET) and single photon emission computed tomography (SPECT). In addition to hypothalamic and thalamic dysfunction they showed aberrant prefrontal perfusion and glucose metabolism in narcolepsy. Given these findings in brain structure and metabolism in narcolepsy, we anticipated that changes in functional magnetic resonance imaging (fMRI) resting state network (RSN) dynamics might also be apparent in patients with narcolepsy. The objective of this study was to investigate and describe brain microstate activity in adolescents with narcolepsy and correlate these to RSNs using simultaneous fMRI and electroencephalography (EEG). Sixteen adolescents (ages 13-20) with a confirmed diagnosis of narcolepsy were recruited and compared to age-matched healthy controls. Simultaneous EEG and fMRI data were collected during 10 min of wakeful rest. EEG data were analyzed for microstates, which are discrete epochs of stable global brain states obtained from topographical EEG analysis. Functional fMRI data were analyzed for RSNs. Data showed that narcolepsy patients were less likely than controls to spend time in a microstate which we found to be related to the default mode network and may suggest a disruption of this network that is disease specific. We concluded that adolescents with narcolepsy have altered resting state brain dynamics.

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  • 48.
    Rydja, Johanna
    et al.
    Linköping University, Department of Biomedical and Clinical Sciences. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Local Health Care Services in Central Östergötland, Department of Activity and Health.
    Kollén, Lena
    Univ Gothenburg, Sweden.
    Ulander, Martin
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Tullberg, Mats
    Univ Gothenburg, Sweden.
    Lundin, Fredrik
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Neurologiska kliniken i Linköping.
    Physical Capacity and Activity in Patients With Idiopathic Normal Pressure Hydrocephalus2022In: Frontiers in Neurology, E-ISSN 1664-2295, Vol. 13, article id 845976Article in journal (Refereed)
    Abstract [en]

    Introduction: Most patients with idiopathic normal pressure hydrocephalus (iNPH) improve gait after surgery. However, knowledge on physical capacity and activity after shunt surgery is limited. One of the aims of this study was to evaluate the effect of shunt surgery in patients with iNPH on short-distance walking, functional exercise capacity, functional strength, and variables of activity and sleep, 3 and 6 months postoperatively. Another aim was to evaluate the effect of a physical exercise program. Additionally, we studied how changes in short-distance walking were correlated with functional exercise capacity and voluntary walking.& nbsp;Methods: In total, 127 patients were consecutively included and randomized to the exercise group (n = 62) or the control group (n = 65). Participants in the exercise group underwent the supervision of a 12-week exercise program. All patients were assessed before surgery, at 3 and 6 months postoperatively with the 10-m walk test (10MWT), the 6-min walk test (6MWT), 30-s chair stand test (30sCST), and with the actigraphic recordings of activity variables measured for a total of 24 h/day for at least 3 days.& nbsp;Results: All patients improved at 3 months postoperatively in the 10MWT (p &lt; 0.001), 6MWT (p &lt; 0.001), and 30sCST (p &lt; 0.001). These results were maintained after 6 months. Actigraphic recordings for voluntary walking (steps per minute) were improved and nighttime sleep (%) increased after 6 months (p = 0.01, p = 0.04). There were no significant differences between the exercise group and the control group, except for the postoperative change in the proportion of daytime sleep after 3 months, which was slightly more reduced compared to baseline in the exercise group (p = 0.04). Changes after 3 months in the 10MWT and 6MWT were moderately correlated (rho= -0.49, p = 0.01) whereas the correlation between the 10MWT and voluntary walking was weak (rho = -0.34, p = 0.01).& nbsp;Conclusion: Shunt surgery improved short-distance walking, functional exercise capacity, functional strength, and voluntary walking. An exercise program did not affect these outcomes. Short-distance walking was weakly correlated with voluntary walking, indicating improved physical capacity does not directly translate to increased physical activity. Further research should address how interventions should be tailored to promote physical activity after shunt surgery.

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  • 49.
    Siebmanns, Sandra
    et al.
    Jonkoping Univ, Sweden.
    Johansson, Peter
    Linköping University, Department of Health, Medicine and Caring Sciences, Division of Nursing Sciences and Reproductive Health. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Local Health Care Services in East Östergötland, Department of Internal Medicine in Norrköping.
    Ulander, Martin
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology.
    Johansson, Linda
    Jonkoping Univ, Sweden.
    Andersson, Gerhard
    Linköping University, Department of Behavioural Sciences and Learning, Psychology. Linköping University, Faculty of Arts and Sciences. Karolinska Inst, Sweden.
    Broström, Anders
    Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Jonkoping Univ, Sweden.
    The effect of nurse-led Internet-based cognitive behavioural therapy for insomnia on patients with cardiovascular disease: A randomized controlled trial with 6-month follow-up2021In: Nursing Open, E-ISSN 2054-1058, Vol. 8, no 4, p. 1755-1768Article in journal (Refereed)
    Abstract [en]

    Aim: To test the effect of nurse-led Internet-based cognitive behavioural therapy for insomnia (I-CBTI), tailored for patients with cardiovascular disease (CVD), with a 6-month follow-up. Design: A two-arm parallel-group randomized controlled trial (RCT) registered at clinicaltrials.gov (NTC03938805) and reported according to the CONSORT checklist. Methods: Forty-eight patients (mean age 72 years, 65% men) diagnosed with CVD and insomnia were randomized to either 9-week nurse-led I-CBTI with support, or an Internet-based self-study programme without support (control group). Insomnia Severity Index (ISI) and Short Form Health Survey (SF-12) were used as primary and secondary outcomes. Results: ISI showed a significant treatment effect of I-CBTI compared to the control group at 9-week follow-up. The mean ISI score in the I-CBTI group at 9 weeks post-treatment was maintained at the 6-month follow-up. Patients adherence to I-CBTI was associated with a better effect on both the ISI and SF-12.

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  • 50.
    Svanborg, Eva
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Neurophysiology UHL.
    Ulander, Martin
    Linköping University, Department of Clinical and Experimental Medicine, Clinical Neurophysiology. Linköping University, Faculty of Health Sciences.
    H1N1 influenza vaccination narcolepsy among Swedish children in JOURNAL OF SLEEP RESEARCH, vol 21, issue SI, pp 315-3152012In: JOURNAL OF SLEEP RESEARCH, Wiley-Blackwell , 2012, Vol. 21, no SI, p. 315-315Conference paper (Refereed)
    Abstract [en]

    n/a

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