Secular changes in prevalence of cardiovascular diseases in elderly Finns

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Abstract
Aims: The purpose of the present study was to examine changes with time in the prevalence of cardiovascular diseases (CVD) in Finns 65 to 74 years of age. Methods: Two cross-sectional studies were conducted 18 years apart. In the Mini-Finland Survey (1978 to 1980), a nationally representative sample of 1,250 Finns of 65 to 74 years of age was interviewed and clinically examined. The FINRISK Survey (1997) consisted of a random sample of 1,500 individuals in the same age range, from two areas of Finland. Prevalences of chronic CVD (angina pectoris (AP), myocardial infarction (MI), coronary heart disease (CHD), heart failure, hypertension, cerebrovascular disease, and intermittent claudication) were assessed via self-reported data relating to known conditions and diagnoses by physicians. Results: The prevalences of most of the chronic CVD were lower in the 1997 survey than in the 1978 to 1980 survey. A major exception was drug treatment for hypertension in men, which was more prevalent in the 1997 survey. Conclusions: We conclude that the prevalence of CVD in Finns 65 to 74 years of age has declined since 1978. This information is valuable in assessing current and future burdens imposed by CVD on society.