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Review
. 2013 Mar;24(2):34-42.
doi: 10.5830/CVJA-2012-071.

Epidemiology of ischaemic heart disease in sub-Saharan Africa

Churchill Lukwiya Onen  1
Affiliations
Review

Epidemiology of ischaemic heart disease in sub-Saharan Africa

Churchill Lukwiya Onen. Cardiovasc J Afr. 2013 Mar.

Abstract

Background: The epidemiology of ischaemic heart disease (IHD) in sub-Saharan Africa (SSA) remains largely enigmatic. Major obstacles to our understanding of the condition include lack of reliable health statistics, particularly cause-specific mortality data, inadequate diagnostic capabilities, shortage of physicians and cardiologists, and misguided opinions.

Methods: This review of the epidemiology of ischaemic heart disease in sub-Saharan Africa involved a systematic bibliographic MEDLINE search of published data on IHD in SSA over the past century. Search words included epidemiology, ischaemic (coronary) heart disease, myocardial infarction, cardiovascular risk factors and sub-Saharan Africa. Selected data are presented on the prevalence of cardiovascular risk factors and mortality from ischaemic heart disease from different countries representing the main regions of the continent.

Results: Although IHD in SSA remains relatively uncommon, its prevalence is predicted to rise in the next two decades due to the rising prevalence of risk factors, especially hypertension, diabetes, overweight and obesity, physical inactivity, increased tobacco use and dyslipidaemia. It is estimated that age-standardised mortality rates for IHD will rise by 27% in African men and 25% in women by 2015, and by 70 and 74%, respectively by 2030.

Conclusion: Ischaemic heart disease remains relatively uncommon in SSA, despite an increasing prevalence of risk factors, but its incidence is rising. The pace and direction of economic development, rates of urbanisation, and changes in life expectancy resulting from the impact of pre-transitional diseases and violence will be major determinants of the IHD epidemic in SSA. The best window of opportunity for prevention of the emerging epidemic of ischaemic heart disease in sub-Saharan Africa is now.

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Figures

Fig. 1.
Fig. 1.
Physical activity in men and women aged 18 to 69 years in selected countries.
Fig. 2.
Fig. 2.
Cardiovascular disease risk factors in HIV-infected patients in Botswana.
See this image and copyright information in PMC

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