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Int J Stroke. 2014 Oct;9 Suppl A100:69-75. doi: 10.1111/ijs.12288. Epub 2014 May 20.

Acute case-fatality rates of stroke and acute myocardial infarction in a Japanese population: Takashima stroke and AMI registry, 1989-2005.

Author information

1
Department of Health Science, Shiga University of Medical Science, Shiga, Japan; Sleep Center, Foothills Medical Center, Calgary, Alberta, Canada.

Abstract

BACKGROUND:

Few comprehensive stroke and acute myocardial infarction registries of long duration exist in Japan to illustrate trends in acute case-fatality of stroke and acute myocardial infarction with greater precision. We examined 17-year case-fatality rates of stroke and acute myocardial infarction using an entire community-monitoring registration system to investigate trends in these rates over time in a Japanese population.

METHODS:

Data were obtained from the Takashima Stroke and AMI Registry covering a stable population of approximately 55 000 residents of Takashima County in central Japan. We divided the total observation period of 17 years into four periods, 1989-1992, 1993-1996, 1997-2000, and 2001-2005. We calculated gender, age-specific and age-adjusted acute case-fatality rates (%) of stroke and acute myocardial infarction across these four periods.

RESULTS:

During the study period of 1989-2005, there were 341 fatal cases within 28 days of onset among 2239 first-ever stroke events and 163 fatal cases among 433 first-ever acute myocardial infarction events. The age-adjusted acute case-fatality rate of stroke was 14·9% in men and 15·7% in women. The age-adjusted acute case-fatality rate of acute myocardial infarction was 34·3% in men and 43·3% in women. The age-adjusted acute case-fatality rates of stroke and acute myocardial infarction showed insignificant differences across the four time periods. The average annual change in the acute case-fatality rate of stroke (-0·2%; 95% CI: -2·4-2·1) and acute myocardial infarction (2·7%; 95% CI: -0·7-6·1) did not change significantly across the study years.

CONCLUSIONS:

The acute case-fatality rates of stroke and acute myocardial infarction have remained stable from 1989 to 2005 in a rural and semi-urban Japanese population.

KEYWORDS:

Japan; acute myocardial infarction; case-fatality; epidemiology; stroke; trend

PMID:
24844755
DOI:
10.1111/ijs.12288
[Indexed for MEDLINE]

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