Document Detail


Mean platelet volume in the early phase of acute ischemic stroke is not associated with severity or functional outcome.
MedLine Citation:
PMID:  20299788     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Previous studies reported an increase of mean platelet volume (MPV) in patients with acute ischemic stroke. However, its correlation with stroke severity has not been investigated. Moreover, studies on the association of MPV with functional outcome yielded inconsistent results. METHODS: We included all consecutive ischemic stroke patients admitted to CHUV (Centre Hospitalier Universitaire Vaudois) Neurology Service within 24 h after stroke onset who had MPV measured on admission. The association of MPV with stroke severity (NIHSS score at admission and at 24 h) and outcome (Rankin Scale score at 3 and 12 months) was analyzed in univariate analysis. The chi(2) test was performed to compare the frequency of minor strokes (NIHSS score < or =4) and good functional outcome (Rankin Scale score < or =2) across MPV quartiles. The ANOVA test was used to compare MPV between stroke subtypes according to the TOAST classification. Student's two-tailed unpaired t test was performed to compare MPV between lacunar and nonlacunar strokes. MPV was generated at admission by the Sysmex XE-2100 automated cell counter (Sysmex Corporation, Kobe, Japan) from EDTA blood samples. RESULTS: There was no significant difference in the frequency of minor strokes (p = 0.46) and good functional outcome (p = 0.06) across MPV quartiles. MPV was not associated with stroke severity or outcome in univariate analysis. There was no significant difference in MPV between stroke subtypes according to the TOAST classification (p = 0.173) or between lacunar and nonlacunar strokes (10.50 +/- 0.91 vs. 10.40 +/- 0.81 fl, p = 0.322). CONCLUSIONS: MPV, assessed within 24 h after ischemic stroke onset, is not associated with stroke severity or functional outcome.
Authors:
George Ntaios; Ozgur Gurer; Mohamed Faouzi; Carole Aubert; Patrik Michel
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-03-19
Journal Detail:
Title:  Cerebrovascular diseases (Basel, Switzerland)     Volume:  29     ISSN:  1421-9786     ISO Abbreviation:  Cerebrovasc. Dis.     Publication Date:  2010  
Date Detail:
Created Date:  2010-04-28     Completed Date:  2010-09-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9100851     Medline TA:  Cerebrovasc Dis     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  484-9     Citation Subset:  IM    
Copyright Information:
Copyright 2010 S. Karger AG, Basel.
Affiliation:
Neurology Service, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland. ntaiosgeorge@yahoo.gr
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MeSH Terms
Descriptor/Qualifier:
Aged
Aged, 80 and over
Blood Platelets / pathology*
Data Interpretation, Statistical
Female
Humans
Male
Middle Aged
Platelet Count
Prognosis
Retrospective Studies
Severity of Illness Index*
Stroke / blood*,  diagnosis

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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