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MEDICC Rev. 2011 Oct;13(4):23-9.

Acute myocardial infarction incidence, mortality and case fatality in Santa Clara, Cuba, 2007-2008.

Author information

1
Ernesto Che Guevara Heart Center, Santa Clara, Villa Clara, Cuba. albert@cardiovc.sld.cu

Abstract

INTRODUCTION:

Information on acute myocardial infarction incidence and mortality is essential for determining the efficacy of the health system's cardiovascular disease prevention activities; however, in Cuba, sufficient data related to acute myocardial infarction are lacking, particularly at the local level.

OBJECTIVE:

Describe acute myocardial infarction incidence, mortality and case fatality rates from January 2007 through December 2008 in persons aged 45-74 in the municipality of Santa Clara, Villa Clara Province, Cuba.

METHODS:

A retrospective descriptive study was conducted. The World Health Organization MONItoring Trends and Determinants in CArdiovascular Disease Project (MONICA) methodology was used, but only in part, since out-of-hospital case fatalities were not investigated, resulting in insufficient data for such cases. Cases of acute myocardial infarction covered under MONICA definition 1 were included (non-fatal definite, fatal definite, fatal possible, and unclassifiable deaths). Hospitalized patients were followed for 28 days. Incidence, mortality and case fatality rates in the population were calculated by age group (45-54, 55-64 and 65-74 years) and sex. Age-standardized incidence and mortality rates were calculated using the direct method, with the world population as a reference.

RESULTS:

A total of 482 cases of acute myocardial infarction were registered. The percentage of cases of non-fatal definite, fatal definite, fatal possible and fatal with insufficient data were 32%, 18.3%, 26.3% and 13.9% respectively. The cumulative age-standardized incidence per 100,000 population was 433 (95% CI 365-501) in men and 195 (95% CI 152-237) in women, while mortality per 100,000 population was 242 (95% CI 192-292) in men and 120 (95% CI 87-153) in women. Case fatality was 56.4% in men and 62.6% in women. Most fatal cases (65.6%) occurred out of hospital, a trend that was more marked in men (73.9%) than in women (51%).

CONCLUSIONS:

Case fatality from acute myocardial infarction in Santa Clara residents was high, especially in women. Two thirds of fatalities occurred out of hospital, a higher proportion of these deaths in men. It is recommended that the AMI registry be completed by investigating out-of-hospital case fatalities with insufficient data; expanding it to include the 35-44 age group; and that the supply of cardiac marker enzyme immunoassay test kits in Santa Clara be stabilized.

PMID:
22143604
[Indexed for MEDLINE]
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