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Systemic interleukin-6 levels reflect illness course and prognosis of patients with spontaneous nonaneurysmal subarachnoid hemorrhage.
MedLine Citation:
PMID:  22890649     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Background: Patients with nonaneurysmal -subarachnoid hemorrhage (SAH) show either perimesencephal (pm)SAH or nonperimesencephalic (non-pm)SAH, with hemorrhage extending into adjacent cisterns. Patients with non-pmSAH have higher risk for a complicated clinical course with cerebral vasospasm (CVS) and worse outcome. Systemic inflammatory response has been linked to CVS occurrence and worse outcome in aneurysmal SAH. We analyzed whether levels of interleukin (IL)-6, a proinflammatory cytokine, differ in patients with pmSAH compared with non-pmSAH. Methods: The clinical course with attention to symptomatic CVS occurrence and clinical outcome was assessed. Daily systemic IL-6 levels and leukocyte counts (Lc) were measured in the acute phase in 11 patients with pmSAH and in 9 patients with non-pmSAH. Results: Patients with non-pmSAH had significantly higher IL-6 levels compared to patients with pmSAH (14.7 ± 3.2 vs. 3.0 ± 0.6 pg/ml, p = 0.001). Lc counts did not differ (11.5 ± 0.5 vs. 11.2 ± 0.6 × 10(3)/μl, p = 0.485). Patients with non-pmSAH stayed significantly longer in the neurocritical care unit (16.4 ± 2.1 vs. 10.2 ± 1.1 days, p = 0.012). Symptomatic CVS occurred in two patients with non-pmSAH. Patients with pmSAH had a significantly more favorable outcome, defined as Glasgow Outcome Scale 5. Conclusion: Higher IL-6 levels in patients with non-pmSAH supports the common observation of more complicated illness course with higher incidence of CVS compared to patients with pmSAH.
Authors:
Carl Muroi; Martin Seule; Christopher Sikorski; Wolfgang Dent; Emanuela Keller
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta neurochirurgica. Supplement     Volume:  115     ISSN:  0065-1419     ISO Abbreviation:  Acta Neurochir. Suppl.     Publication Date:  2013  
Date Detail:
Created Date:  2012-08-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100962752     Medline TA:  Acta Neurochir Suppl     Country:  Austria    
Other Details:
Languages:  eng     Pagination:  77-80     Citation Subset:  IM    
Affiliation:
Neurocritical Care Unit, University Hospital Zurich, Zurich, Switzerland, carl.muroi@ksa.ch.
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