Document Detail

Ischemic stroke subtypes in a Japanese population: Takashima Stroke Registry, 1988-2004.
MedLine Citation:
PMID:  20689083     Owner:  NLM     Status:  MEDLINE    
BACKGROUND AND PURPOSE: Population-based information on the epidemiology of ischemic stroke (IS) subtypes is scant. In this study, we characterized IS subtypes in terms of incidence, time trend, and risk factor profiles in a community-based population. METHODS: We obtained data from the Takashima Stroke Registry on approximately 55 000 residents of Takashima County in central Japan and calculated age-adjusted stroke incidence rates for different IS subtypes. We determined the incidence time trend by calculating the average annual change across years and also compared risk factors between subtypes. RESULTS: There were 1389 first-ever ischemic strokes registered during 1988 to 2004. Lacunar infarction was the most frequent etiology (54.1%) followed by cardioembolic infarction (22.9%). Age-adjusted incidence rates for different IS subtypes were lacunar, 77.1; cardioembolic, 31.5; and nonlacunar, 29.7/10(5) person-years. The average annual change was not significant for the IS subtypes except for nonlacunar infarction, which showed a decreasing trend. Risk factor analysis showed that patients with lacunar infarctions were younger and less likely to have a history of transient ischemic attack or a drinking habit than patients with nonlacunar infarctions. CONCLUSIONS: Lacunar infarct was the most common IS subtype in our population. We found no significant change in the incidence of subtypes during the study, except a decrease in nonlacunar infarction.
Tanvir Chowdhury Turin; Yoshikuni Kita; Nahid Rumana; Yasuyuki Nakamura; Naoyuki Takashima; Masaharu Ichikawa; Hideki Sugihara; Yutaka Morita; Kunihiko Hirose; Akira Okayama; Katsuyuki Miura; Hirotsugu Ueshima
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-08-05
Journal Detail:
Title:  Stroke; a journal of cerebral circulation     Volume:  41     ISSN:  1524-4628     ISO Abbreviation:  Stroke     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-08-31     Completed Date:  2010-09-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0235266     Medline TA:  Stroke     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1871-6     Citation Subset:  IM    
Department of Neurology, Klinikum Ludwigshafen, Ludwigshafen, Germany.
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MeSH Terms
Age Factors
Aged, 80 and over
Asian Continental Ancestry Group
Brain Ischemia / classification*,  epidemiology*
Chi-Square Distribution
Japan / epidemiology
Middle Aged
Risk Factors
Stroke / classification*,  epidemiology*

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