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[Cardiovascular mortality in industrial and developing countries (author's transl)].

B Garros, P Cantrelle, F Hatton

Revue D'Epidemiologie Et De Sante Publique

|April 30, 1980

Summary

Cardiovascular disease mortality is surprisingly high in developing nations, particularly before age 45, often due to rheumatic heart disease. Later, hypertension becomes a major factor, unlike in developed nations where ischemic heart disease dominates.

Keywords:

Biology Cardiovascular Effects Causes Of Death Demographic Factors Developed Countries Developing Countries Mortality Physiology Population Population Dynamics World

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Area of Science:

Cardiology
Public Health
Epidemiology

Background:

Cardiovascular disease (CVD) mortality patterns in developing countries present surprising trends.
Observed CVD mortality in Algeria, Mauritius, and Egypt exceeds that of developed nations (France, US, Sweden) before age 45.

Purpose of the Study:

To analyze and explain the observed high cardiovascular mortality in developing countries.
To compare CVD causes of death across different age groups and geographical regions.

Main Methods:

Analysis of registered causes of death in developing countries (Algeria, Mauritius, Egypt) and comparison with developed nations.
Correlation of mortality data with life expectancy patterns and age structures.

Main Results:

Rheumatic heart diseases are identified as a primary cause of high CVD mortality before age 45 in developing nations.
After age 45, hypertension, cardiomyopathy, and cardiomegaly are prevalent in developing countries, while ischemic heart diseases remain rare.
Previously observed increases in CVD in Africa may be overestimated due to insufficient accounting for age structure and other mortality causes.

Conclusions:

Cardiovascular mortality profiles differ significantly between developing and developed countries, particularly in younger age groups.
The rising trend of CVD in developing nations requires careful interpretation, considering demographic and epidemiological factors.
Further research is needed to understand the specific drivers of CVD in diverse populations.