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  • 1.
    Benson, Mikael
    et al.
    Sahlgrenska University Hospital, Göteborg.
    Strannegård, Inga-Lisa
    Sahlgrenska University Hospital, Göteborg.
    Wennergren, Göran
    Sahlgrenska University Hospital, Göteborg.
    Strannegård, Örjan
    Sahlgrenska University Hospital, Göteborg.
    Increase of the soluble IL-4 receptor (IL-4sR) and positive correlation between IL-4sR and IgE in nasal fluids from school children with allergic rhinitis2000In: Allergy and Asthma Proceedings, ISSN 1088-5412, E-ISSN 1539-6304, Vol. 21, no 2, p. 89-95Article in journal (Refereed)
    Abstract [en]

    Soluble cytokine receptors (SCR) can either act as inhibitors, by competitively inhibiting cytokines from binding to their membrane-bound receptors, or as enhancers, by serving as cytokine carriers. We have previously found that the levels of the Th2 cytokines interleukin (IL)-4, IL-5, IL-6, and IL-10 were positively correlated to eosinophils and IgE in nasal fluids from 60 children with seasonal allergic rhinitis. In this study, nasal fluids were reexamined to analyze IL-4sR, IL-6sR, IL-1 beta, TNF-alpha, IL-1sR2, TNF-sR1, and TNFsR2 in relation to eosinophils, neutrophils, ECP, and IgE. In allergic patients IL-4sR increased significantly during the pollen season, and weak, but positive correlations with IgE and eosinophils were found (r = 0.45, P < 0.001 and r = 0.4, P < 0.001 respectively). By contrast, none of the other SCR showed increases or correlations with IgE. However, positive correlations between IL1 beta, TNF-alpha, IL-6sR, IL-1sR2, TNF-sR1, TNF-sR2, and either neutrophils or ECP were found. Also, in healthy controls, these cytokines and their receptors were positively correlated to neutrophils or ECP. Thus, increased levels of the soluble IL-4 receptor, as well as IgE, were specifically associated with allergic rhinitis, whereas all other SCR correlated with either inflammatory cells or their products, in both allergic and healthy subjects. These results may suggest that SCR in vivo act as cytokine enhancers, rather than inhibitors.

  • 2.
    Nordenfelt, Patrik
    et al.
    Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences. Countty Hospital Ryhov, Sweden .
    Dawson, Simon
    ViroPharma Europe, England .
    Wahlgren, Carl-Fredrik
    ViroPharma Europe, England .
    Lindfors, Anders
    Karolinska Institute, Sweden Karolinska University Hospital, Sweden .
    Mallbris, Lotus
    Karolinska University Hospital, Sweden .
    Bjorkander, Janne
    Karolinska Institute, Sweden Karolinska University Hospital, Sweden .
    Quantifying the burden of disease and perceived health state in patients with hereditary angioedema in Sweden2014In: Allergy and Asthma Proceedings, ISSN 1088-5412, E-ISSN 1539-6304, Vol. 35, no 2, p. 185-190Article in journal (Refereed)
    Abstract [en]

    Hereditary angioedema (HAE) due to C1 inhibitor deficiency is a rare disease characterized by attacks of edema, known to impact quality of life (QoL). This study investigates the burden of HAE in Swedish patients, both children and adults. We used a retrospective registry study of Swedish patients with HAE, captured by the Sweha-Reg census. Data were collected using a paper-based survey. Patients completed EuroQoL 5 Dimensions 5 Levels (EQ5D-5L) questionnaires for both the attack-free state (EQ5D today), and the last HAE attack (EQ5D attack). Questions related to patients age and sex and other variables, such as attack location and severity, were included to better understand the burden of HAE. EQ5D-5L values were estimated for the two HAE disease states. Patient-reported sick leave was also analyzed. A total of 103 responses were analyzed from 139 surveys (74% response rate). One hundred one reported an EQ5D today score (mean, 0.825) and 78 reported an EQ5D attack score (mean, 0.512) with significant differences between the two states (p less than 0.0001). This difference was observed for both mild (p less than 0.05), moderate (p less than 0.0001), and severe attacks (p less than 0.0001). Attack frequency had a negative effect on EQ5D today. Patients with greater than30 attacks a year had a significantly lower EQ5D today score than those with less frequent attacks. Of 74 participants, 33 (44.6%) had been absent from work or school during the latest attack and, of those with a severe attack, 81% had been absent. HAE has a significant impact on QoL both during and between attacks and on absenteeism during attacks.

  • 3.
    Nordenfelt, Patrik
    et al.
    Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Medicine and Health Sciences. Department of Internal Medicine, County Hospital Ryhov, Jönköping, Sweden.
    Nilsson, Mats
    Futurum, Academy for Health and Care, Jönköping County Council, Jönköping, Sweden.
    Lindfors, Anders
    Department of Pediatrics, Astrid Lindgren Children’s Hospital, Karolinska University Hospital, Stockholm, Sweden.
    Wahlgren, Carl-Fredrik
    Dermatology Unit, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden / Department of Dermatology, Karolinska University Hospital, Stockholm, Sweden.
    Björkander, Jan Fredrik
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Futurum, Academy for Health and Care, Jönköping County Council, Jönköping, Sweden,.
    Health-related quality of life in relation to disease activity in adults with hereditary angioedema in Sweden2017In: Allergy and Asthma Proceedings, ISSN 1088-5412, E-ISSN 1539-6304, Vol. 38, no 6, p. 447-455Article in journal (Refereed)
    Abstract [en]

    Background: Health-related quality of life (HR-QoL) is impaired in patients with hereditary angioedema (HAE) but has not yet been satisfactorily described.

    Objective: To study HR-QoL in patients with HAE by combining different HR-QoL instruments with disease activity assessment. Methods: All adults in the Swedish HAE registry were invited to take part in this questionnaire study, which used the generic HR-QoL instruments, EuroQol 5 Dimensions 5 Level (EQ-5D-5L) and the RAND Corporation Short Form 36 (RAND-36), the disease-specific Angioedema Quality of Life instrument (AE-QoL), the recently introduced Angioedema Activity Score (AAS) form, and questionnaires on sick leave and prophylactic medication.

    Results: Sixty-four of 133 adults (26 men, 38 women) between 18 and 91 years old responded. The most affected HR-QoL dimensions in the EQ-5D-5L were pain/discomfort and anxiety/depression; in the RAND-36, energy/fatigue, general health, pain; and, in the AE-QoL, fears/shame and fatigue/mood. Women had lower HR-QoL in the RAND-36 for general health and energy/fatigue (p < 0.05). Patients who reported any AAS of >0 had significantly impaired HR-QoL. There were significant associations (p < 0.05) between the AAS and EQ-5D-5L, between the AAS and all dimensions of the RAND-36 except physical function, and between the AAS and AE-QoL in all dimensions. Nine of 36 patients who reported sick leave during the previous 4 weeks had significantly impaired HR-QoL in all the instruments (p < 0.05). There was no significant difference in HR-QoL in the patients with and the patients without prophylactic medication, except for the nutrition dimension of the AE-QoL (p < 0.05).

    Conclusion: Comprehensive information is obtained by combining different HR-QoL instruments. Pain, anxiety/depression, and fatigue/mood are important aspects of HAE but the AE-QoL disregards pain. HR-QoL was not significantly affected by prophylaxis. Increased disease activity was associated with impaired HR-QoL, which justifies more active disease management.

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  • de-DE
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  • nn-NB
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