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J Intern Med. 1999 Jul;246(1):53-60.

Alarmingly high occurrence and case fatality of acute coronary heart disease events in Estonia: results from the Tallinn AMI register 1991-94.

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1
Tallinn Central Hospital, Department of Internal Medicine, Estonia. laks@tkh.sps.ee

Abstract

OBJECTIVE:

The purpose of this study was to produce stable estimates for the incidence, attack and mortality rates and case fatality of acute myocardial infarction (AMI) in Tallinn, the capital of Estonia.

RESEARCH DESIGN AND METHODS:

The Tallinn AMI register covers the population aged 25-64 years and official residents of Tallinn. The register follows the WHO MONICA project protocols in the data collection and diagnostic evaluation of the suspected AMI events and CHD death.

RESULTS:

Age-standardized annual incidence, attack rate and mortality in men aged 35-64 years were high, varying from (per 100000 per year) 352, 499 and 208, respectively, in 1991 to 438, 628 and 317, respectively, in 1993. In addition, in women, annual incidence, attack rate and mortality were high, varying from (per 100000 per year) 82, 100 and 31, respectively, in 1991 to 110 and 142 in 1993 for the incidence and attack rate, and to 61 in 1992 for mortality. The percentage of out-of-hospital coronary death (sudden death) increased in men from 33 to 52% and in women from 24 to 42% during 1991-94, and the 28-day case fatality increased in men from 42 to 58%, and in women from 32 to 50%. In Tallinn, women with AMI were treated as actively as men with invasive treatment (thrombolysis, angioplasty, bypass surgery) during the acute phase of MI.

CONCLUSIONS:

The incidence, attack rate and mortality of AMI were high in both men and women in Tallinn. The high 28-day case fatality observed was primarily due to the high proportion of out-of-hospital deaths.

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