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Admission interleukin-6 is associated with post resuscitation organ dysfunction and predicts long-term neurological outcome after out-of-hospital ventricular fibrillation
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Biochemical endocrinology.
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2014 (English)In: Resuscitation, ISSN 0300-9572, E-ISSN 1873-1570, Vol. 85, no 11, 1573-1579 p.Article in journal (Refereed) Published
Abstract [en]

Aim of the study: To study plasma concentrations of interleukin-6 (IL-6), high-sensitivity C-reactive protein (hs-CRP) and S-100B during intensive care after out-of-hospital cardiac arrest from ventricular fibrillation (OHCA-VF), and their associations with the duration of ischemia, organ dysfunction and long-term neurological outcome.

Materials and methods: A 12-month prospective observational multicentre study was conducted in 21 Finnish intensive care units in 2011. IL-6, hs-CRP and S-100B were measured at 0-6 h, 24 h, 48 h and 96 h after ICU admission. Associations with the time to return of spontaneous circulation (ROSC), sequential organ failure assessment (SOFA) scores divided into tertiles and 12-month cerebral performance category (CPC) were tested.

Results: Of 186 OHCA-VF patients included in the study, 110 (59.1%) patients survived with good neurological outcome (CPC 1-2) 12 months after cardiac arrest. Admission plasma concentrations of IL-6 but not hs-CRP were higher with prolonged time to ROSC (p < 0.001, 0.203, respectively), in patients with subsequent higher SOFA scores (p < 0.001, 0.069) and poor long-term neurological outcome (CPC 3-5) (p < 0.001, 0.315). S-100B concentrations over time were higher in patients with CPC of 3-5 (p < 0.001). The area under the curve for prediction of poor 12-month outcome for admission levels was 0.711 IL6, 0.663 for S-100B and 0.534 for hs-CRP. With multivariate logistic regression analysis only admission IL-6 (p = 0.046, OR 1.006, 95% CI 1.000-1.011/ng/L) was an independent predictor of poor neurological outcome.

Conclusion: Admission high IL-6, but not hs-CRP or S-100B, is associated with extra-cerebral organ dysfunction and along with age and time to ROSC are independent predictors for 12-month poor neurologic outcome (CPC 3-5).  

Place, publisher, year, edition, pages
2014. Vol. 85, no 11, 1573-1579 p.
Keyword [en]
Cardiac arrest, Inflammation, Interleukin-6, High-sensitive C-reactive protein, S-100B, Long-term neurological outcome
National Category
Family Medicine Anesthesiology and Intensive Care
URN: urn:nbn:se:uu:diva-237909DOI: 10.1016/j.resuscitation.2014.08.036ISI: 000343827100032PubMedID: 25238742OAI: oai:DiVA.org:uu-237909DiVA: diva2:770768
Available from: 2014-12-11 Created: 2014-12-08 Last updated: 2015-04-10Bibliographically approved

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