Prevalence of coronary heart disease risk factors in Nigerians with systemic hypertension

This study is to determine the prevalence of coronary heart disease risk factors in Nigerians with systemic hypertension. Serum lipid profile and fasting blood glucose were determined in one hundred and thirty six newly diagnosed hypertensives selected from the Medical Outpatient Department. Basic d...

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Bibliographic Details
Published inAfrican journal of medicine and medical sciences Vol. 33; no. 2; p. 121
Main Authors Opadijo, O G, Akande, A A, Jimoh, A K
Format Journal Article
LanguageEnglish
Published Nigeria 01.06.2004
Subjects
Adult
Aged
Alcoholism - epidemiology
Case-Control Studies
Cholesterol, HDL - blood
Coronary Disease - epidemiology
Female
Glucose Intolerance - epidemiology
Humans
Hypercholesterolemia - epidemiology
Hypertension - blood
Hypertension - diagnosis
Hypertension - epidemiology
Hypertriglyceridemia - epidemiology
Male
Middle Aged
Nigeria - epidemiology
Obesity - epidemiology
Prevalence
Risk Assessment
Risk Factors
Sex Factors
Smoking - epidemiology
Nigeria
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Summary:This study is to determine the prevalence of coronary heart disease risk factors in Nigerians with systemic hypertension. Serum lipid profile and fasting blood glucose were determined in one hundred and thirty six newly diagnosed hypertensives selected from the Medical Outpatient Department. Basic demographic data as well as medico-social history was extracted from the records. Coronary heart disease risk was calculated from the ratios of high-density lipoprotein cholesterol to total cholesterol. High risk were defined as CHD ratio <0.18, while average and low CHD risk ratio was 0.18 to 0.40 and >0.40 respectively, according to the European Athersclerosis society guidelines. There were 76 (55.9%) males and 60 (44.1 %) females aged 24-70 years (mean = 47+8.5) studied. The coronary risk ratio in the study groupts was 0.34 as against 0.57 in the controls. The prevalence of high coronary heart disease risk in newly diagnosed hypertensives was 22%. The overall prevalence rate of hypercholesterolaemia was 62.5%, with high-risk group prevalence of 70%. The high-risk group was also associated with other non-lipid factors such as overweight -54% (BMI > 25Kg/m2), glucose intolerance-55% (FBS > 6.1 mmol/L), and alcoholism (55%). The overall prevalence of hypertriglyceridaemia was 20.4%, with higher serum values amongst females, and no risk group difference. The female patients were more affected by the metabolic risk parameters especially in the high and average risk groups. There is a need therefore, for clinicians to be encouraged to investigate lipid, lipoprotein cholesterol indices and other non-lipid risk factors to calculate the risk run by hypertensive patients of developing cardiovascular complications.
ISSN:0309-3913