Document Detail

Von Willebrand Factor Drives the Association Between Elevated Factor VIII and Poor Outcomes in Patients With Ischemic Stroke.
MedLine Citation:
PMID:  25028444     Owner:  NLM     Status:  Publisher    
BACKGROUND AND PURPOSE: Despite clear roles of factor VIII (FVIII) and von Willebrand factor (vWF) in thrombosis, few studies have examined the relationship of these factors with acute ischemic stroke (AIS). We sought to determine whether concurrent elevation in FVIII and vWF was associated with adverse events and outcomes.
METHODS: From our prospective stroke registry, patients consecutively admitted with AIS between July 2008 and October 2013 were included if both FVIII and vWF were measured during admission. The primary outcome was the modified Rankin Scale score on discharge.
RESULTS: Among 1453 cases in our stroke registry, 148 patients with AIS met inclusion criteria; 62 patients (41.9%) had FVIII-/vWF-, 16 patients (10.8%) had FVIII+/vWF-, and 51 patients (34.5%) had FVIII+/vWF+. In the fully adjusted model, patients with FVIII+/vWF+ had increased odds of inpatient complications (odds ratio, 8.6; 95% confidence interval, 1.58-46.85; P=0.013) and neuroworsening (odds ratio, 3.2; 95% confidence interval, 1.18-8.73; P=0.022) than patients with FVIII-/vWF-. Adjusted for age, baseline stroke severity, and glucose, patients with FVIII+/vWF+ had increased odds of poor functional outcome (modified Rankin Scale>2; odds ratio, 2.87; 95% confidence interval, 1.16-7.06; P=0.021) than patients with FVIII-/vWF-.
CONCLUSIONS: Concurrent FVIII/vWF elevation predicts higher odds of inpatient complications, neuroworsening, and worse functional outcomes for patients with AIS compared with patients with normal levels. Our findings suggest that FVIII and vWF levels may serve as clinically useful stroke biomarkers by providing risk profiles for patients with AIS.
Alyana Samai; Dominique Monlezun; Amir Shaban; Alexander George; Lauren Dowell; Rebecca Kruse-Jarres; Laurie Schluter; Ramy El Khoury; Sheryl Martin-Schild
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-7-15
Journal Detail:
Title:  Stroke; a journal of cerebral circulation     Volume:  -     ISSN:  1524-4628     ISO Abbreviation:  Stroke     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-7-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0235266     Medline TA:  Stroke     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2014 American Heart Association, Inc.
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