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Fluid-Attenuated Inversion Recovery Images and Stroke Outcome After Thrombolysis.
MedLine Citation:
PMID:  22033987     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND AND PURPOSE: We investigated if hyperintensities on fluid-attenuated inversion recovery (FLAIR) sequences in arteries and parenchyma are associated with poor outcome 3 months after thrombolysis. METHODS: Consecutive acute stroke patients with known time of symptom onset who had an MRI before and 1 day after thrombolysis were included in this study. Blinded to follow-up imaging and outcome, 2 raters independently judged the presence or absence of arterial and parenchymal FLAIR hyperintensities. Functional outcome (modified Rankin Scale) was assessed after 3 months. RESULTS: Out of 90 patients, 22 had parenchymal FLAIR hyperintensities and 42 had hyperintense vessels. The combination of FLAIR hyperintensities in arteries and parenchyma occurred in 15 patients. Stepwise forward regression analysis revealed an adjusted odds ratio of 14.5 for a worse outcome (modified Rankin Scale score >2) in patients with FLAIR hyperintensities in arteries and parenchyma (95% confidence interval, 1.3-158.5; P=0.03). CONCLUSIONS: FLAIR hyperintensities in arteries and parenchyma are an easy-to-use MRI feature in acute ischemic stroke associated with poor outcome 3 months after thrombolysis.
Authors:
Martin Ebinger; Anna Kufner; Ivana Galinovic; Peter Brunecker; Uwe Malzahn; Christian H Nolte; Matthias Endres; Jochen B Fiebach
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-27
Journal Detail:
Title:  Stroke; a journal of cerebral circulation     Volume:  -     ISSN:  1524-4628     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0235266     Medline TA:  Stroke     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
From the Center for Stroke Research Berlin, Berlin, Germany; Klinik und Poliklinik für Neurologie, Charité-Universitätsmedizin Berlin, Berlin, Germany; and International Graduate Program Medical Neurosciences, Charité-Universitätsmedizin Berlin, Berlin, Germany.
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