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  • 251.
    Tyden, Jonas
    et al.
    Ostersund Hospital, Sweden; Umeå University, Sweden.
    Herwald, Heiko
    Lund University, Sweden.
    Sjöberg, Folke
    Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Hand and Plastic Surgery.
    Johansson, Joakim
    Ostersund Hospital, Sweden; Umeå University, Sweden.
    Increased Plasma Levels of Heparin-Binding Protein on Admission to Intensive Care Are Associated with Respiratory and Circulatory Failure2016In: PLOS ONE, E-ISSN 1932-6203, Vol. 11, no 3, p. e0152035-Article in journal (Refereed)
    Abstract [en]

    Purpose Heparin-binding protein (HBP) is released by granulocytes and has been shown to increase vascular permeability in experimental investigations. Increased vascular permeability in the lungs can lead to fluid accumulation in alveoli and respiratory failure. A generalized increase in vascular permeability leads to loss of circulating blood volume and circulatory failure. We hypothesized that plasma concentrations of HBP on admission to the intensive care unit (ICU) would be associated with decreased oxygenation or circulatory failure. Methods This is a prospective, observational study in a mixed 8-bed ICU. We investigated concentrations of HBP in plasma at admission to the ICU from 278 patients. Simplified acute physiology score (SAPS) 3 was recorded on admission. Sequential organ failure assessment (SOFA) scores were recorded daily for three days. Results Median SAPS 3 was 58.8 (48-70) and 30-day mortality 64/278 (23%). There was an association between high plasma concentrations of HBP on admission with decreased oxygenation (p<0.001) as well as with circulatory failure (p<0.001), after 48-72 hours in the ICU. There was an association between concentrations of HBP on admission and 30-day mortality (p = 0.002). ROC curves showed areas under the curve of 0,62 for decreased oxygenation, 0,65 for circulatory failure and 0,64 for mortality. Conclusions A high concentration of HBP in plasma on admission to the ICU is associated with respiratory and circulatory failure later during the ICU care period. It is also associated with increased 30-day mortality. Despite being an interesting biomarker for the composite ICU population its predictive value at the individual patient level is low.

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  • 252.
    Van Loey, Nancy E.
    et al.
    Assoc Dutch Burn Centre, Netherlands .
    Van de Schoot, Rens
    University of Utrecht, Netherlands .
    Gerdin, Bengt
    Uppsala University, Sweden .
    Faber, Albertus W.
    Martini Hospital, Netherlands .
    Sjöberg, Folke
    Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Hand and Plastic Surgery. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Anaesthesiology and Intensive Care in Linköping.
    Willebrand, Mimmie
    Uppsala University, Sweden .
    The Burn Specific Health Scale-Brief: Measurement invariant across European countries2013In: JOURNAL OF TRAUMA AND ACUTE CARE SURGERY, ISSN 2163-0755, Vol. 74, no 5, p. 1321-1326Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: The Burn Specific Health Scale Brief (BSHS-B), which is the only multidimensional measure to evaluate burn-specific aspects of health status, has previously been validated in several languages across the world. However, the stability of the underlying construct was not cross-culturally evaluated. The current study reports on measurement invariance across two samples of Swedish and Dutch-speaking patients with burns. less thanbrgreater than less thanbrgreater thanMETHODS: In a prospective study, 231 and 275 Swedish and Dutch-Belgian patients with burns, completed the BSHS-B at 9 or 12 months, respectively, after burn. Using a multigroup confirmatory factor analysis, measurement invariance across languages (Swedish and Dutch) was tested. less thanbrgreater than less thanbrgreater thanRESULTS: The results of the confirmatory factor analysis in the total sample revealed that the scale structure for the earlier reported three-factor structure and the original nine-factor structure was adequate. However, an eight-factor structure in which hand function and simple abilities were merged provided the best fit. This structure was used to test measurement invariance across the two language groups. The two-group outcomes testing measurement invariance across Swedish- and Dutch-speaking patients indicated a stable, configural invariance. less thanbrgreater than less thanbrgreater thanCONCLUSION: The BSHS-B seems to function uniformly across both language groups. The BSHS-B can be used to compare cross-cultural results in both countries.

  • 253.
    Vieweg, Rosa
    et al.
    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, ANOPIVA US.
    Järemo, Mikael
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences.
    Steinvall, Ingrid
    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, Department of Hand and Plastic Surgery.
    Elmasry, Moustafa
    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, Department of Hand and Plastic Surgery.
    Abdelrahman, Islam
    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, Department of Hand and Plastic Surgery.
    Sjöberg, Folke
    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, Department of Hand and Plastic Surgery. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, ANOPIVA US.
    Renin signals renal hypoperfusion during Parkland fluid resuscitation of severe burns - a prospective longitudinal cohort study2020In: International Journal of Burns and Trauma, ISSN 2160-2026, Vol. 10, no 6, p. 331-337Article in journal (Refereed)
    Abstract [en]

    INTRODUCTION: Previous investigations have shown that fluid resuscitation of burns using the Parkland formula results in controlled hypovolaemia and that kidney injury is a common complication. Enhancing monitoring of tissue perfusion might reduce complications. Plasma renin has recently been suggested to be a promising marker for tissue hypoperfusion in intensive care patients. The aim of this study was to explore plasma renin levels during the first 48 hours after major burns in patients resuscitated using the Parkland formula.

    MATERIALS AND METHODS: Patients 18 years or older of age with 10% or more total body surface area (TBSA) burned, admitted to Linköping Burn Intensive Care Unit, and resuscitated using the Parkland formula were included. Samples for plasma renin were drawn at admission and eight-hourly thereafter for 48 hours.

    RESULTS: Fifteen patients were included. Median TBSA burned was 36% and age 53 years. The fluid volumes provided were in accordance with the Parkland formula. Mean arterial pressure, urinary output, and lactate remained within reference ranges during the first 48 hours. At eight hours after burn median plasma renin was elevated to more than 25 times the upper reference value, decreasing to about four times the upper reference at 48 hours. Renin concentration was associated with lactate levels and TBSA burned.

    CONCLUSION: During Parkland fluid resuscitation of severe burns, plasma renin levels were extremely elevated. The fact that the traditionally used endpoints for Parkland fluid resuscitation remained within the reference range raises concerns about whether the increased renin concentrations may signal a relative renal hypoperfusion.

  • 254.
    Walther, Sten
    et al.
    Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart Center, Department of Thoracic and Vascular Surgery.
    Nolin, Thomas
    Cent Hosp Kristianstad, Sweden.
    Sjöberg, Folke
    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, Department of Hand and Plastic Surgery.
    Sepsis is underreported in ICUs: Flawed analysis but conclusion may still be valid2021In: Acta Anaesthesiologica Scandinavica, ISSN 0001-5172, E-ISSN 1399-6576, Vol. 65, no 2, p. 276-276Article in journal (Other academic)
    Abstract [en]

    n/a

  • 255.
    Walther, Sten
    et al.
    Region Östergötland, Heart and Medicine Center, Department of Thoracic and Vascular Surgery. Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Orwelius, Lotti
    Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Anaesthesiology and Intensive Care in Linköping (ANOPIVA). Linköping University, Department of Medical and Health Sciences, Division of Nursing Science.
    Kristensson, M.
    Linköping University, Department of Medical and Health Sciences. Linköping University, Faculty of Medicine and Health Sciences.
    Sjöberg, Folke
    Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Hand and Plastic Surgery. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Anaesthesiology and Intensive Care in Linköping (ANOPIVA). Linköping University, Department of Clinical and Experimental Medicine, Division of Surgery, Orthopedics and Oncology.
    Influence of income and education on outcomes of intensive care in a healthcare system with full universal health insurance - a nationwide analysis of individual-level data2019In: Intensive Care Medicine Experimental, E-ISSN 2197-425X, Vol. 7, no Supplement 3, article id 000224Article in journal (Other academic)
    Abstract [en]

    INTRODUCTION. Most patients admitted to intensive care are discharged to a general ward in the same hospital, but some patients require transfer to another hospital. Indications for interhospital transfers (IHT) include referral for specialist treatment, lack of intensive care beds at the referring ICU and repatriation to ICU in home hospital [1].

    OBJECTIVES. To review mortality of ICU-patients undergoing IHT and analyse whether different indications for transfer render different mortalities.

    METHODS. Retrospective cohort register study using the Swedish Intensive Care Registry (SIR) during 2016-2018. The SIR collects data from 98.8% of Swedish ICUs including data on discharge from ICUs to other hospitals/ICUs. Transfers were divided into three categories: transfer due to medical reasons, lack of ICU beds or repatriation to ICU in home hospital. We analysed odds ratios (ORs) for dying within 30 days after discharge from ICU using risk adjusted (SAPS3 score) multi-level mixed effect logistic regression with ICUs as random effect.

    RESULTS. We identified 12,356 patients who were discharged to another ICU and hospital, i.e. inter-hospital transfers. The unadjusted mortality 30 days after IHT was 17.2 % compared to 12.4 % if discharged to ward in the same hospital. Mortality after IHT varied with the cause of discharge (Figure).Main diagnoses for transfer due to specialist treatment were subarachnoid haemorrhage, head injury and multi-trauma whilst for lack of ICU beds post cardiac arrest, respiratory failure and pneumonia dominated. Risk adjusted analysis showed a significantly increased risk of dying after discharge due to lack of ICU-beds in comparison with other reasons for IHTs

    CONCLUSION. The adjusted risk of dying within 30 days after interhospital transfer was greater among critically ill patients when the transfer was due to lack of beds in the referring ICU. The increased mortality lingered for at least 6 months underlining the importance to identify causes and intervene to avoid unnecessary loss of life.

  • 256.
    Wernerman, J.
    et al.
    Karolinska University Hospital.
    Kirketeig, T.
    Karolinska University Hospital.
    Andersson, B.
    Sahlgrens University Hospital.
    Berthelson, H.
    Kristianstad Hospital.
    Ersson, A.
    Skane University Hospital.
    Friberg, H.
    Skane University Hospital.
    Guttormsen, A.B.
    Bergen University Hospital.
    Hendrikx, S.
    Danderyd Hospital.
    Pettila, V.
    Helsinki University Hospital.
    Rossi, P.
    Karolinska University Hospital.
    Sjöberg, Folke
    Linköping University, Department of Clinical and Experimental Medicine, Burn Center. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Plastic Surgery, Hand surgery UHL. Östergötlands Läns Landsting, Sinnescentrum, Department of Anaesthesiology and Surgery UHL.
    Winso, O.
    Norrland University Hospital.
    Scandinavian glutamine trial: a pragmatic multi-centre randomised clinical trial of intensive care unit patients2011In: Acta Anaesthesiologica Scandinavica, ISSN 0001-5172, E-ISSN 1399-6576, Vol. 55, no 7, p. 812-818Article in journal (Refereed)
    Abstract [en]

    Background: Low plasma glutamine concentration is an independent prognostic factor for an unfavourable outcome in the intensive care unit (ICU). Intravenous (i.v.) supplementation with glutamine is reported to improve outcome. In a multi-centric, double-blinded, controlled, randomised, pragmatic clinical trial of i.v. glutamine supplementation for ICU patients, we investigated outcomes regarding sequential organ failure assessment (SOFA) scores and mortality. The hypothesis was that the change in the SOFA score would be improved by glutamine supplementation. Methods: Patients (n = 413) given nutrition by an enteral and/or a parenteral route with the aim of providing full nutrition were included within 72 h after ICU admission. Glutamine was supplemented as i.v. L-alanyl-L-glutamine, 0.283 g glutamine/kg body weight/24 h for the entire ICU stay. Placebo was saline in identical bottles. All included patients were considered as intention-to-treat patients. Patients given supplementation for greater than3 days were considered as predetermined per protocol (PP) patients. Results: There was a lower ICU mortality in the treatment arm as compared with the controls in the PP group, but not at 6 months. For change in the SOFA scores, no differences were seen, 1 (0,3) vs. 2 (0.4), P = 0.792, for the glutamine group and the controls, respectively. Conclusion: In summary, a reduced ICU mortality was observed during i.v. glutamine supplementation in the PP group. The pragmatic design of the study makes the results representative for a broad range of ICU patients.

  • 257.
    Westlund Firchal, Emmelie Westlund
    et al.
    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, Department of Hand and Plastic Surgery.
    Sjöberg, Folke
    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, Department of Hand and Plastic Surgery. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, ANOPIVA US.
    Fredrikson, Mats
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Inflammation and Infection. Linköping University, Faculty of Medicine and Health Sciences.
    Pompermaier, Laura
    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, Department of Hand and Plastic Surgery.
    Elmasry, Moustafa
    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, Department of Hand and Plastic Surgery.
    Steinvall, Ingrid
    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, Department of Hand and Plastic Surgery.
    Long-term survival among elderly after burns compared with national mean remaining life expectancy2021In: Burns, ISSN 0305-4179, E-ISSN 1879-1409, Vol. 47, no 6, p. 1252-1258Article in journal (Refereed)
    Abstract [en]

    INTRODUCTION: As compared to younger adults, older people have a greater risk of domestic accidents, such as burns, and their prognosis is worsened by a diminished physiological ability to face a thermal trauma. The in-hospital mortality is adversely affected by old age and burn size, whereas less is known about the long-term-survival in elderly patients who survive a burn injury. The aim of this study was to investigate if elderly burn patients after discharge from a Swedish National Burn Centre have a shorter remaining life compared to the national population, by using calculated remaining Life Expectancy (rLE).

    METHODS: In this retrospective study we included all patients who were admitted for burns to the Linköping Burn Centre during 1993-2016 and who were 60 years or older and alive, at the time of discharge. The control group was extracted from Statistics Sweden, the national statistics database, and consisted of all individuals from the Swedish population matched for each patient in the study group, by sex and age at the year of discharge. The proportion who died before reaching the rLE was compared between the study population and the control group by calculating risk ratio.

    RESULTS: The study group consisted of 111 former patients and 77 of them (69%) died before reaching the rLE, with mean 4.7 years of life lost (YLL), which was 33% more than that (52%) of the control group (RR 1.33, 95% CI 1.18-1.51). Burn related factors, such as TBSA % or FTB % were not found to account for this effect.

    CONCLUSION: We found that the long-time survival of elderly patients after burns is shorter than that of a national control, the magnitude of which is quantitatively important. The current study does not support that burn related factors account for this effect and the reason should therefore be sought in other factors, such as e.g., co-morbidity or psychosocial issues.

  • 258.
    Wilhelms, SB
    et al.
    Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences.
    Walther, Sten
    Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Östergötlands Läns Landsting, Heart and Medicine Center, Department of Thoracic and Vascular Surgery. Linköping University, Faculty of Health Sciences.
    Huss, F
    Uppsala University, Sweden.
    Sjöberg, Folke
    Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Hand and Plastic Surgery. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Anaesthesiology and Intensive Care in Linköping.
    Epidemiological investigations of severe sepsis: a comparison of ICD code abstraction strategies to the ACCP/SCCM consensus criteria2013In: Intensive Care Medicine, 2013Conference paper (Refereed)
  • 259.
    Wilhelms, Susanne B
    et al.
    Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences.
    Huss, Fredrik
    Linköping University, Department of Clinical and Experimental Medicine, Burn Center. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Reconstruction Centre, Department of Plastic Surgery, Hand surgery UHL.
    Granath, Goran
    Uppsala University.
    Sjöberg, Folke
    Linköping University, Department of Clinical and Experimental Medicine, Burn Center. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Plastic Surgery, Hand surgery UHL. Östergötlands Läns Landsting, Sinnescentrum, Department of Anaesthesiology and Surgery UHL.
    Assessment of incidence of severe sepsis in Sweden using different ways of abstracting International Classification of Diseases codes: Difficulties with methods and interpretation of results2010In: CRITICAL CARE MEDICINE, ISSN 0090-3493, Vol. 38, no 6, p. 1442-1449Article in journal (Refereed)
    Abstract [en]

    Objective: To compare three International Classification of Diseases code abstraction strategies that have previously been reported to mirror severe sepsis by examining retrospective Swedish national data from 1987 to 2005 inclusive. Design: Retrospective cohort study. Setting: Swedish hospital discharge database. Patients: All hospital admissions during the period 1987 to 2005 were extracted and these patients were screened for severe sepsis using the three International Classification of Diseases code abstraction strategies, which were adapted for the Swedish version of the International Classification of Diseases. Two code abstraction strategies included both International Classification of Diseases, Ninth Revision and International Classification of Diseases, Tenth Revision codes, whereas one included International Classification of Diseases, Tenth Revision codes alone. Interventions: None. Measurements and Main Results: The three International Classification of Diseases code abstraction strategies identified 37,990, 27,655, and 12,512 patients, respectively, with severe sepsis. The incidence increased over the years, reaching 0.35 per 1000, 0.43 per 1000, and 0.13 per 1000 inhabitants, respectively. During the International Classification of Diseases, Ninth Revision period, we found 17,096 unique patients and of these, only 2789 patients (16%) met two of the code abstraction strategy lists and 14,307 (84%) met one list. The International Classification of Diseases, Tenth Revision period included 46,979 unique patients, of whom 8% met the criteria of all three International Classification of Diseases code abstraction strategies, 7% met two, and 84% met one only. Conclusions: The three different International Classification of Diseases code abstraction strategies generated three almost separate cohorts of patients with severe sepsis. Thus, the International Classification of Diseases code abstraction strategies for recording severe sepsis in use today provides an unsatisfactory way of estimating the true incidence of severe sepsis. Further studies relating International Classification of Diseases code abstraction strategies to the American College of Chest Physicians/Society of Critical Care Medicine scores are needed.

  • 260.
    Wilhelms, Susanne
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Anaesthesiology and Intensive Care in Linköping.
    Walther, Sten
    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 Thoracic and Vascular Surgery.
    Huss, F.
    Department of Surgical Sciences, Plastic Surgery, Uppsala University, Uppsala, Sweden Burn Center, Department of Plastic- and Maxillofacial Surgery, Uppsala University Hospital, Uppsala, Sweden.
    Sjöberg, Folke
    Linköping University, Department of Clinical and Experimental Medicine, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Anaesthesiology and Intensive Care in Linköping.
    Severe sepsis in the ICU is often missing in hospital discharge codes.2017In: Acta Anaesthesiologica Scandinavica, ISSN 0001-5172, E-ISSN 1399-6576, Vol. 61, no 2Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Different International Classification of Diseases (ICD)-based code abstraction strategies have been used when studying the epidemiology of severe sepsis. The aim of this study was to compare three previously used ICD code abstraction strategies to the American College of Chest Physicians/Society of Critical Care Medicine (ACCP/SCCM) consensus criteria for severe sepsis, in a setting of intensive care patients.

    METHODS: All patients (≥ 18 years of age) with severe sepsis according to the ACCP/SCCM criteria registered in the Swedish Intensive Care Registry (2005-2009) were included in the study. Using the Swedish National Patient Register, we investigated whether these patients fulfilled an ICD code compilation for severe sepsis at hospital discharge.

    RESULTS: Overall, 9271 patients with severe sepsis were registered in the Swedish Intensive Care Registry. A majority of these patients (55.4%) were discharged from the hospital with ICD codes that did not correspond to any of the ICD code compilations. A minority of patients (10.3%) were discharged with ICD codes corresponding to all three code abstraction strategies applied. Overall, the proportion of patients discharged with ICD codes corresponding to the criteria of Angus et al. was 15.1%, to the criteria of Flaatten was 39.8%, and to the criteria of Martin et al. was 16.0%.

    CONCLUSIONS: A majority of patients with severe sepsis according to the ACCP/SCCM criteria were not discharged with ICD codes corresponding to the ICD code abstraction strategies; thus, the abstraction strategies did not identify the correct patients.

  • 261.
    Wilhelms, Susanne
    et al.
    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, ANOPIVA US.
    Walther, Sten M.
    Linköping University, Department of Health, Medicine and Caring Sciences, Division of Diagnostics and Specialist Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart Center, Department of Thoracic and Vascular Surgery.
    Sjöberg, Folke
    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, ANOPIVA US.
    de Geer, Lina
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Drug Research. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, ANOPIVA US.
    Causes of late mortality among ICU-treated patients with sepsis2020In: Acta Anaesthesiologica Scandinavica, ISSN 0001-5172, E-ISSN 1399-6576, Vol. 64, no 7, p. 961-966Article in journal (Refereed)
    Abstract [en]

    Background Patients with sepsis may have an increased risk of late mortality, but the causes of late death are unclear. This retrospective matched cohort study aimed to determine the causes of late death (>= 1 year) among patients with sepsis compared to patients without sepsis. Methods 8760 patients with severe sepsis or septic shock (2001 consensus criteria) registered in the Swedish Intensive Care Registry (2008-2013) were compared with a 1:1 matched (gender, age, SAPS3 probability for death, ICU length of stay) control group consisting of non-septic ICU patients. Causes of death (International Classification of Diseases codes) were obtained from the Swedish Cause of Death Register (2008-2014). Results During 2008-2014, 903 patients with sepsis died at >= 365 days after their initial septic event, compared to 884 patients in the control group. Median time of follow-up was 313 days (sepsis group, interquartile range 11-838 days) vs 288 days (control group, 9-836 days). The most common causes of death were heart diseases (sepsis: 50.2%, non-septic: 48.6%) and cancer (sepsis: 33.7%, non-septic: 31.7%). Infectious diseases were significantly more common cause of death in the sepsis group (24.3% vs 19.6%, respectively; P < .05). Pneumonia was a common infectious cause of death in both groups, whereas sepsis was more common in the sepsis group. Conclusions The most common causes of late death after ICU admission among patients with and without sepsis were heart diseases and cancer. However, patients with sepsis more frequently had infectious diseases as a cause of late death, compared to non-septic patients.

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  • 262.
    Willebrand, Mimmie
    et al.
    Uppsala University.
    Sveen, Josefin
    Uppsala University.
    Ramklint, M.D. Mia
    Uppsala University.
    Bergquist, R.N. Maria
    University of Uppsala Hospital.
    Huss, M.D. Fredrik
    Uppsala University.
    Sjöberg, Folke
    Linköping University, Department of Clinical and Experimental Medicine, Burn Center. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Hand and Plastic Surgery. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Anaesthesiology and Surgery.
    Psychological problems in children with burns-Parents reports on the Strengths and Difficulties Questionnaire2011In: Burns, ISSN 0305-4179, E-ISSN 1879-1409, Vol. 37, no 8, p. 1309-1316Article in journal (Refereed)
    Abstract [en]

    Burns may have a devastating effect on psychological health among children, although previous studies report difficulties as well as positive findings. The aims were to describe the rate of psychological problems in children with burns using a standardised instrument and to explore statistical predictors of these problems. Parents (n = 94) of children aged 3-18 years who sustained burns 0.3-9.0 years previously answered the Strengths and Difficulties Questionnaire (SDQ) covering Emotional symptoms, Conduct problems, Hyperactivity/Inattention, Peer relationship problems, Prosocial behaviour, and a Total difficulties score. Questions regarding parental psychological health and family situation were also included. The results for three of the SDQ subscales were close to the norm (10%) regarding the rate of cases where clinical problems were indicated, while the rate of cases indicated for Conduct, Peer problems and Total difficulties was 18-20%. Statistical predictors of the SDQ subscales were mainly parents psychological symptoms, fathers education, and changes in living arrangements. Visible scars were relevant for the Total difficulties score and Hyperactivity/Inattention. In summary, a slightly larger proportion of children with burns had psychological problems than is the case among children in general, and family variables exerted the most influence on parental reports of childrens psychological problems.

  • 263. Wood, K
    et al.
    Henricson, Joakim
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery.
    Nilsson, Gert
    Linköping University, The Institute of Technology. Linköping University, Department of Biomedical Engineering, Biomedical Instrumentation.
    Sjöberg, Folke
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Reconstruction Centre, Department of Plastic Surgery, Hand surgery UHL.
    Assessment of microvascular response in vivo by local warming and the effects of iontophoritically-applied vasoconstrictive drugs2006Report (Other academic)
  • 264.
    Wyckman, Alexander
    et al.
    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, Department of Hand and Plastic Surgery.
    Abdelrahman, Islam
    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, Department of Hand and Plastic Surgery. Suez Canal University,Egypt.
    Steinvall, Ingrid
    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, Department of Hand and Plastic Surgery.
    Zdolsek, Johann
    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, Department of Hand and Plastic Surgery.
    Granfeldt, Hans
    Linköping University, Department of Health, Medicine and Caring Sciences, Division of Diagnostics and Specialist Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart Center, Department of Thoracic and Vascular Surgery.
    Sjöberg, Folke
    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, Department of Hand and Plastic Surgery.
    Nettelblad, Hans
    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, Department of Hand and Plastic Surgery.
    Elmasry, Moustafa
    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, Department of Hand and Plastic Surgery.
    Reconstruction of sternal defects after sternotomy with postoperative osteomyelitis, using a unilateral pectoralis major advancement muscle flap2020In: Scientific Reports, E-ISSN 2045-2322, Vol. 10, no 1, article id 8380Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: The pectoralis major flap, which is usually harvested bilaterally, is considered a workhorse flap in the reconstruction of sternal defects. After a median sternotomy for open heart surgery, 1%-3% of patients develop deep infection and dehiscence of the sternal wound, some of which will eventually require reconstructive surgery. Our aim was to describe the clinical feasibility and associated complications of the unilateral pectoralis major advancement flap in the reconstruction of sternal defects.

    METHODS: A retrospective analysis of all adult patients who were operated on using a unilateral pectoralis major flap for reconstruction of the chest wall at the Linköping University Hospital during 2008-18 was made using data retrieved from medical records.

    RESULTS: Forty-three patients had reconstructions with unilateral pectoralis major flaps. Three flaps failed completely, and another 10 patients developed complications that required further operation. The factors that were independently associated with loss of the flaps and complications were: older age, male sex, the number of different antibiotics used, and a long duration of treatment with negative wound pressure. Fewer wound revisions before the reconstruction resulted in more complications. The factors that were independently associated with prolonged time to complete healing were emergency reoperation after the initial operation and complications after reconstruction.

    CONCLUSION: The unilateral pectoralis major advancement flap has proved to be a useful technique in the reconstruction of most sternal defects after sternal wound infection in older patients. There is, however, need for a follow-up study on a larger number of procedures to evaluate the long-term outcome compared with other methods of sternal reconstruction.

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  • 265.
    Ydenius, Viktor
    et al.
    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, Department of Anaesthesiology and Intensive Care in Norrköping.
    Larsen, Robert
    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, ANOPIVA US.
    Steinvall, Ingrid
    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, Department of Hand and Plastic Surgery.
    Bäckström, Denise
    Life Regiment Hussars, Karlsborg, Sweden.
    Chew, Michelle S
    Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, ANOPIVA US. Linköping University, Department of Biomedical and Clinical Sciences, Division of Clinical Chemistry and Pharmacology.
    Sjöberg, Folke
    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, Department of Hand and Plastic Surgery. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, ANOPIVA US.
    Impact of hospital type on risk-adjusted, traffic-related 30-day mortality: a population-based registry study2021In: Burns & Trauma, ISSN 2321-3876, Vol. 9, article id tkaa051Article in journal (Refereed)
    Abstract [en]

    Background: Traffic incidents are still a major contributor to hospital admissions and trauma-relatedmortality. The aim of this nationwide study was to examine risk-adjusted traffic injury mortality todetermine whether hospital type was an independent survival factor.

    Methods: Data on all patients admitted to Swedish hospitals with traffic-related injuries, basedon International Classification of Diseases codes, between 2001 and 2011 were extracted fromthe Swedish inpatient and cause of death registries. Using the binary outcome measure of deathor survival, data were analysed using logistic regression, adjusting for age, sex, comorbidity,severity of injury and hospital type. The severity of injury was established using the InternationalClassification of Diseases Injury Severity Score (ICISS).

    Results: The final study population consisted of 152,693 hospital admissions. Young individuals(0–25 years of age) were overrepresented, accounting for 41% of traffic-related injuries. Menwere overrepresented in all age categories. Fatalities at university hospitals had the lowest mean(SD) ICISS 0.68 (0.19). Regional and county hospitals had mean ICISS 0.75 (0.15) and 0.77 (0.15),respectively, for fatal traffic incidents. The crude overall mortality in the study population was 1193,with a mean ICISS 0.72 (0.17). Fatalities at university hospitals had the lowest mean ICISS 0.68(0.19). Regional and county hospitals had mean ICISS 0.75 (0.15) and 0.77 (0.15), respectively, forfatal traffic incidents. When regional and county hospitals were merged into one group and itsrisk-adjusted mortality compared with university hospitals, no significant difference was found. Acomparison between hospital groups with the most severely injured patients (ICISS ≤0.85) also didnot show a significant difference (odds ratio, 1.13; 95% confidence interval, 0.97–1.32).

    Conclusions: This study shows that, in Sweden, the type of hospital does not influence risk adjustedtraffic related mortality, where the most severely injured patients are transported to the universityhospitals and centralization of treatment is common. 

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  • 266.
    Zdolsek, Hans Joachim
    et al.
    Linköping University, Department of Medicine and Care, Anaesthesiology. Linköping University, Faculty of Health Sciences.
    Lindahl, Olof Anton
    Department of Applied Physics and Electronics, Umeå University and Biomedical Engineering and Informatics, University Hospital of Northern Sweden, Umeå, Sweden .
    Sjöberg, Folke
    Linköping University, Department of Clinical and Experimental Medicine, Burn Center. Linköping University, Department of Biomedicine and Surgery, Plastic Surgery, Hand Surgery and Burns. Linköping University, Faculty of Health Sciences.
    Non-invasive assessment of fluid volume status in the interstitium after haemodialysis2000In: Physiological Measurement, ISSN 0967-3334, E-ISSN 1361-6579, Vol. 21, no 2, p. 211-220Article in journal (Refereed)
    Abstract [en]

    During dialysis excess fluid is removed from uraemic patients. The excess fluid is mainly located in the skin and subcutaneous tissues. In this study we wished, with two non-invasive techniques, the IM (impression method) and BIA (bioimpedance analysis), to study what mechanical (IM) and electrical cellular membrane (BIA) effects the fluid withdrawal has on these tissues. The IM measures the resistive force of the tissues when mechanically compressed. From the force curve two parameters are calculated, the F(0), indicative of interstitial tissue pressure and the FT corresponding to the translocation of tissue fluid (interstitial movable water).

    The BIA phase angle shift (), i.e. geometrical angular transformation of the ratio between reactance and resistance, which has been associated with cellular membrane function, was used as a measurement of electrical cellular membrane effects.

    Twenty patients were studied before and after haemodialysis measuring the F(0), FT and . The results showed that the patients lost a median of 3.7 kg during the haemodialysis. F(0) increased until after dialysis, but did not reach significant values, whereas FT increased significantly after dialysis, p < 0.001, as compared with before. After a peak at one hour postdialysis the FT value returned to predialysis values at four hours after termination of dialysis. Also increased from before to after dialysis, p < 0.001, but already after one hour it returned to predialysis values.

    It is common knowledge that dialysis alters the dynamics of fluid in the interstitium of the skin and subcutis. We conclude that the impression method is sensitive enough to detect and chronicle these changes. Furthermore, with the BIA, (phase angle) signs of changes in the electrical properties of the tissues, possibly reflecting cellular membrane function, could be detected.

  • 267.
    Zdolsek, Hans Joachim
    et al.
    Linköping University, Department of Medicine and Care, Anaesthesiology. Linköping University, Department of Biomedicine and Surgery, Plastic Surgery, Hand Surgery and Burns. Linköping University, Faculty of Health Sciences.
    Lindahl, Olof Anton
    Linköping University, Department of Clinical and Experimental Medicine, Burn Center. Linköping University, Faculty of Health Sciences.
    Ängquist, Karl-Axel
    Department of Biomedical Engineering, University Hospital of Northern Sweden, Umeå, Sweden.
    Sjöberg, Folke
    Linköping University, Department of Medicine and Care, Anaesthesiology. Linköping University, Department of Biomedicine and Surgery, Plastic Surgery, Hand Surgery and Burns. Linköping University, Faculty of Health Sciences.
    Non-invasive assessment of intercompartmental fluid shifts in burn victims1998In: Burns, ISSN 0305-4179, E-ISSN 1879-1409, Vol. 24, no 3, p. 233-240Article in journal (Refereed)
    Abstract [en]

    Two non-invasive methods (the bioimpedance technique, BIA, and the impression method, IM) were studied, to find out whether they are sensitive enough to detect and chronicle the development of the oedema and fluid resuscitation effects (Parkland formula) that occur secondary to a major burn. Ten patients with a total burned body surface area (TBSA) of more than 10% were included in this prospective study. Total body water (TBW), as measured by the resistance (BIA) or F(0) variable (IM), reached a maximum on day 2. The tissue fluid translocation (INT) variable (IM) followed a different course, increasing slowly to reach a maximum on day 6, when it was 40% higher than the 12 h value. TBW and the interstitial translocatable fluid were still increased 1 week post-burn. The non-invasive measurements of TBW (resistance by BIA and F(0) by IM) reflected the anticipated changes in TBW. The phase angle (BIA) indicative of cellular membrane effects of burn and sepsis had its lowest values at day 1.5, and stayed significantly low until day 4. Interestingly, the phase angle was lowest in the two cases that died subsequently. The different time course of the INT value (IM), which reflected the translocatable interstitial fluid volume in skin, may be the result of resuscitation fluid remaining in this compartment, due to the excess sodium content together with a possible change in tissue compliance secondary to the early total water peak on day 2.

  • 268.
    Zdolsek, Hans Joachim
    et al.
    Linköping University, Department of Medicine and Care, Anaesthesiology. Linköping University, Faculty of Health Sciences.
    Lisander, Björn
    Linköping University, Department of Medicine and Care, Anaesthesiology. Linköping University, Faculty of Health Sciences.
    Jones, Wayne A.
    The National Laboratory of Forensic Chemistry, University Hospital, Linköping, Sweden.
    Sjöberg, Folke
    Linköping University, Department of Medicine and Care, Anaesthesiology. Linköping University, Faculty of Health Sciences.
    Albumin supplementation during the first week after a burn does not mobilise tissue oedema in humans2001In: Intensive Care Medicine, ISSN 0342-4642, E-ISSN 1432-1238, Vol. 27, no 5, p. 844-852Article in journal (Refereed)
    Abstract [en]

    Objective: To measure water balance and changes in distribution, and the effect of giving supplementary albumin, early after a burn injury.

    Design: Consecutive patients (matched groups) and healthy controls.

    Setting: National burn unit in a Swedish university hospital.

    Patients and subjects: Eighteen patients with 18%-90% total burned surface area and 16 healthy male control subjects.

    Interventions: The patients were given an intravenous infusion of ethanol over 1 h, 0.35-0.60 g/kg body weight, and a bolus of 3.3 to 6.5 g of iohexol. The control subjects were given the same amounts of either ethanol or iohexol. Patients were subdivided into two groups according to whether or not they received supplementary albumin starting 12 h post-burn.

    Measurements and results: Blood samples were drawn at 20-30 min intervals over 4 h after the start of the infusion. Serum ethanol was measured by headspace gas chromatography, and iohexol with high-pressure liquid chromatography (HPLC). Distribution volume was calculated from the concentration-time profiles. Total body water (TBW) was measured by the ethanol tracer and bioelectric impedance (BIA) techniques, and estimated extracellular water (ECWest) by iohexol tracer. They were all significantly increased after a burn. Excess water was accumulated mainly in the extracellular compartment. It declined towards normal values (those of volunteers) at the end of the week. Albumin supplementation did not influence the amount or distribution of the excess fluid.

    Conclusion: Body water increases after a burn. Excess water is mainly deposited in the extracellular space. Tissue oedema fluid is not mobilised by albumin supplementation.

  • 269.
    Zdolsek, Hans Joachim
    et al.
    Linköping University, Department of Medicine and Care, Anaesthesiology. Linköping University, Faculty of Health Sciences.
    Sjöberg, Folke
    Linköping University, Department of Biomedicine and Surgery, Plastic Surgery, Hand Surgery and Burns. Linköping University, Faculty of Health Sciences.
    Lisander, Björn
    Linköping University, Department of Medicine and Care, Anaesthesiology. Linköping University, Faculty of Health Sciences.
    Jones, Wayne A.
    National Laboratory of Forensic Chemistry, Linköping, Sweden.
    The effect of hypermetabolism induced by burn trauma on the ethanol-oxidizing capacity of the liver1999In: Critical Care Medicine, ISSN 0090-3493, E-ISSN 1530-0293, Vol. 27, no 12, p. 2622-2625Article in journal (Refereed)
    Abstract [en]

    Objective: To study the rate of elimination of ethanol after a major burn trauma.

    Design: Prospective, controlled study.

    Setting: National burns unit in a Swedish university hospital.

    Patients and Subjects: Eight consecutive patients suffering from 18%-72% total burned surface area and nine healthy male control subjects.

    Interventions: The patients received ethanol, 0.35-0.60 g/kg body weight intravenously, during 1 hr. This was repeated daily during the first week postburn. The control subjects received the same amount of ethanol once.

    Measurements and Main Results: Blood samples were drawn at 20- to 30-min intervals during 5 hrs after the start of the infusion. Serum ethanol was determined by headspace gas chromatography. The rate of elimination of ethanol was calculated from the concentration time profile. In the control subjects, the median elimination rate was 0.074 g/kg/hr (range, 0.059-0.083 g/kg/hr). In the patients, it was already 0.138 g/kg/hr (range, 0.111-0.201 g/kg/hr) on the first day; this increased even further over the following 6 days, reaching 0.183 g/kg/hr (range, 0.150-0.218 g/kg/hr) on the seventh day.

    Conclusions: Ethanol elimination is augmented postburn. A more effective reoxidation of reduced nicotinamide adenine dinucleotide seems the most likely explanation for the increased rate of ethanol elimination in these hypermetabolic trauma patients. This finding suggests that the oxidative capacity of the liver may be assessed by studying the rate of ethanol elimination in burn victims.

  • 270.
    Zdolsek, Markus
    et al.
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Surgery in Linköping.
    Hahn, Robert G.
    Sodertalje Hosp, Sweden; Danderyd Hosp KIDS, Sweden.
    Sjöberg, Folke
    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, ANOPIVA US.
    Zdolsek, Joachim
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Drug Research. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, ANOPIVA US.
    Plasma volume expansion and capillary leakage of 20% albumin in burned patients and volunteers2020In: Critical Care, ISSN 1364-8535, E-ISSN 1466-609X, Vol. 24, no 1, article id 191Article in journal (Refereed)
    Abstract [en]

    Background Burn injury is associated with a long-standing inflammatory reaction. The use of albumin solutions for plasma volume support is controversial because of concerns of increased capillary leakage, which could aggravate the commonly seen interstitial oedema. Methods In the present open controlled clinical trial, an intravenous infusion of 20% albumin at 3 mL/kg was given over 30 min to 15 burn patients and 15 healthy volunteers. Blood samples and urine were collected for 5 h. Plasma dilution, plasma albumin and colloid osmotic pressure were compared. Mass balance calculations were used to estimate plasma volume expansion and capillary leakage of fluid and albumin. Results The patients were studied between 4 and 14 (median, 7) days after the burn injury, which spread over 7-48% (median, 15%) of the total body surface area. The albumin solution expanded the plasma volume by almost 15%, equivalent to twice the infused volume, in both groups. The urinary excretion exceeded the infused volume by a factor of 2.5. Capillary leakage of albumin occurred at a rate of 3.4 +/- 1.5 g/h in burn patients and 3.7 +/- 1.6 g/h in the volunteers (P = 0.61), which corresponded to 2.4 +/- 1.0% and 2.5 +/- 1.2% per hour of the intravascular pool (P = 0.85). The median half-life of the plasma volume expansion was 5.9 (25th-75th percentiles 2.7-11.7) h in the burn patients and 6.9 (3.4-8.5) h in the volunteers (P = 0.56). Conclusions Albumin 20% was an effective volume expander in patients at 1 week post-burn. No relevant differences were found between burn patients and healthy volunteers.

  • 271.
    Zdolsek, Markus
    et al.
    Linköping University, Department of Biomedical and Clinical Sciences, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Surgery in Linköping.
    Sjöberg, Folke
    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, ANOPIVA US.
    Hahn, Robert G.
    Sodertalje Hosp, Sweden; Karolinska Inst, Sweden.
    Fast versus slow infusion of 20% albumin: a randomized controlled cross-over trial in volunteers2022In: Intensive Care Medicine Experimental, E-ISSN 2197-425X, Vol. 10, no 1, article id 31Article in journal (Refereed)
    Abstract [en]

    Background: We investigated whether plasma volume (PV) expansion of 20% albumin is larger when the fluid is administered rapidly compared with a slow infusion. Methods: In this open-labeled randomized interventional controlled trial, 12 volunteers (mean age, 28 years) received 3 mL/kg of 20% albumin (approximately 225 mL) over 30 min (fast) and 120 min (slow) in a cross-over fashion. Blood hemoglobin and plasma albumin were measured on 15 occasions during 6 h to estimate the PV expansion and the capillary leakage of albumin and fluid. Results: The largest PV expansion was 16.1%+/- 6.5% (mean +/- SD) for fast infusion and 12.8%+/- 4.0% for slow infusion (p = 0.52).The median area under the curve for the PV expansion was 69% larger for the fast infusion during the first 2 h (p = 0.034), but was then similar for both infusions. The half-life of the PV expansion did not differ significantly (median, 5.6 h versus 5.4 h, p = 0.345), whereas the intravascular half-life of the excess albumin was 8.0 h for fast infusion and 6.3 h for slow infusion (p = 0.028). The measured urine output was almost three times larger than the infused volume. The plasma concentration of atrial natriuretic peptide (MR-proANP) accelerated the capillary leakage of albumin and the urine flow. Conclusions: The intravascular persistence of albumin was longer, but the fluid kinetics was the same, when 20% albumin was infused over 30 min compared with 120 min. We found no disadvantages of administering the albumin at the higher rate.

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  • 272. Åkerlund, Emma
    et al.
    Erlandsson, Ulf
    Sjöberg, Folke
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Reconstruction Centre, Department of Plastic Surgery, Hand surgery UHL.
    Huss, Fredrik
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Reconstruction Centre, Department of Plastic Surgery, Hand surgery UHL.
    Brännskador: Antalet skadade och avlidna sjunker kontinuerligt men äldre utgör fortsatt en riskgrupp2007In: Nordisk geriatrik, ISSN 1403-2082, Vol. 10, no 3Article in journal (Refereed)
  • 273. Åkerlund, Emma
    et al.
    Huss, Fredrik
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Reconstruction Centre, Department of Plastic Surgery, Hand surgery UHL.
    Sjöberg, Folke
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Reconstruction Centre, Department of Plastic Surgery, Hand surgery UHL.
    Burns in Sweden: An analysis of 24 538 cases during the period 1987-20042007In: Burns, ISSN 0305-4179, E-ISSN 1879-1409, Vol. 33, no 1, p. 31-36Article in journal (Refereed)
    Abstract [en]

    Burn care is always progressing, but there is little epidemiological information giving a clear picture of the current number of treated burns in Sweden. This study was conducted to provide an update of patients admitted to hospital with burns in Sweden. Data were obtained for all patients who were admitted to hospitals with a primary or secondary diagnosis of burns (ICD-9/10 codes) from 1 January 1987 to 31 December 2004, 24 538 patients were found. Most of the patients were male (69%), giving a male:female ratio of 2.23:1. Children in the age-group 0-4 years old predominated, and accounted for 27% of the study material. The median length of stay was 3 days. Throughout the period 740 patients (3%) died of their burns. Significant reductions in mortality, incidence, and length of stay were seen during the study, which correlates well with other studies. However, most of the reductions were in the younger age-groups. Men accounted for the improved mortality, as female mortality did not change significantly. We think that the improvement in results among patients admitted to hospital after burns is a combination of preventive measures, improved treatment protocols, and an expanding strategy by which burned patients are treated as outpatients. © 2006 Elsevier Ltd and ISBI.

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