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Multiple brain infarcts in young adults: clues for etiologic diagnosis and prognostic impact.
MedLine Citation:
PMID:  23057601     Owner:  NLM     Status:  Publisher    
BACKGROUND AND PURPOSE: There are little data on the etiology of multiple brain infarcts (MBI) and their impact on clinical outcome in young patients. METHODS: We studied 548 MRI-imaged patients (15-49 years) with a first-ever ischaemic stroke. Ischaemic lesions were categorized into three groups: single lesions, MBI in one or >1 circulation territories. Outcomes were unfavorable 3-month modified Rankin Scale (mRS) score of ≥2 and, during long-term follow-up (mean 8.20 ± 4.01 years), recurrent ischaemic stroke or death from any cause. RESULTS: Multiple brain infarcts occurred in 185 patients (33.8%; mean age 39.2 ± 8.2), of which 144 patients (26.3%) had lesions located in a single territory and 41 patients (7.5%) in multiple territories. Patients with MBI in a single territory were more likely than patients with single lesions to have a high-risk source of cardioembolism (CE) (9.0% vs. 3.0%; P = 0.001), large-artery atherosclerosis (8.3% vs. 4.9%; P = 0.012), vertebral (22% vs. 10%; P < 0.001) or carotid artery dissections (8.3% vs. 6.3%; P = 0.036), and MBI in multiple territories a high-risk source of CE (34% vs. 3.0%, P < 0.001). Adjusted for age, gender, baseline stroke severity, size of the largest lesion, and stroke subtype, MBI remained independently associated with an unfavorable 3-month outcome (odds ratio 2.84, 95% confidence interval 1.22-6.61). In multivariate Cox proportional hazards analysis, MBI had independent influence on the risk for death (hazard ratio 3.75, 1.58-8.86), but not on recurrent ischaemic stroke. CONCLUSIONS: Compared with the elderly, young stroke patients have a distinct stroke etiology underlying MBI, being an independent indicator of poor short-term outcome and long-term risk of death.
S Mustanoja; J Putaala; E Haapaniemi; D Strbian; M Kaste; T Tatlisumak
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-11
Journal Detail:
Title:  European journal of neurology : the official journal of the European Federation of Neurological Societies     Volume:  -     ISSN:  1468-1331     ISO Abbreviation:  Eur. J. Neurol.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9506311     Medline TA:  Eur J Neurol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 The Author(s) European Journal of Neurology © 2012 EFNS.
Department of Neurology, Helsinki University Central Hospital, Helsinki, Finland.
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