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Ethnicity, haemostasis and cardiovascular disease: the evidence from Africa
1Department of Physiology, Medical Faculty, University of Zimbabwe, Mount Pleasant, Harare.
Insights
Ethnic differences in blood clotting and clot breakdown influence cardiovascular diseases. Studies in Africa highlight how these haemostatic variations impact disease development across diverse populations.
Area of Science:
- Cardiovascular Science
- Haematology
- Ethnic Health Disparities
Background:
- Coagulation and fibrinolysis disorders are implicated in cardiovascular diseases like coronary artery disease, hypertension, stroke, and deep vein thrombosis.
- Prevalence of these cardiovascular diseases varies significantly among different ethnic groups, including Black, White, and Asian populations.
Purpose of the Study:
- To review studies comparing haemostatic processes across ethnic groups.
- To understand the role of ethnic variations in haemostasis in the pathogenesis of cardiovascular diseases.
- To focus on research conducted in Africa regarding these ethnic differences.
Main Methods:
- Review of existing literature on coagulation and fibrinolysis in different ethnic groups.
- Analysis of studies focusing on cardiovascular disease prevalence and haemostatic factors.
- Synthesis of findings from research conducted in African populations.
Main Results:
- Significant ethnic variations exist in coagulation and fibrinolysis pathways.
- These haemostatic differences correlate with varying risks for cardiovascular diseases across ethnic groups.
- Studies in Africa provide crucial insights into these ethnic-specific pathogenetic mechanisms.
Conclusions:
- Understanding ethnic differences in haemostasis is vital for comprehending cardiovascular disease development.
- Haemostatic variations contribute to the differential prevalence of cardiovascular diseases among ethnic groups.
- Further research, particularly in diverse African populations, is needed to elucidate these complex relationships.
Abstract:
Disorders of both coagulation and fibrinolysis contribute to the development of cardiovascular diseases such as coronary artery disease, essential hypertension, ischaemic stroke and deep vein thrombosis. Different ethnic groups, in particular Blacks, Whites and Asians have different prevalences for the above diseases. Comparisons of these haemostatic processes in different ethnic groups have contributed greatly to the understanding of the pathogenesis of many of these diseases. Such studies, in particular those conducted in Africa, are reviewed below.