Key result
Hypertension in Nigeria is associated with a ~62% prevalence of LVH, predominantly eccentric hypertrophy.
Why the study?
Hypertension is a leading cause of cardiovascular morbidity and mortality in Nigeria, motivating an evaluation of the prevalence of left ventricular hypertrophy and geometric patterns among hypertensives in Kano, Nigeria.
Cross-Sectional (n=186)
Yes
In a Nigerian hypertensive cohort, nearly two-thirds of patients exhibited left ventricular hypertrophy on echocardiography, predominantly presenting as eccentric hypertrophy.
Answers are grounded in this paper and cite their sources.
LVH prevalence data in Kano hypertensives may inform local screening; leaves open prognostic value and need for outcome trials.
Background: Hypertension is a leading cause of cardioxasular morbidity and mortality in Nigeria. The main aim of this study was to deterine the prevalence of left ventricular hypertrophy and left ventricular geometric patterns among hypertensives in Kano, Nigeria. Methods: The study was cross-sectional in design, and carried out in 3 echocardiography laboratories within the City of Kano, Nigeria. Patients with hypertension without other cardiac disorders were serially recruited and studied after obtaining informed consent. Results: A total of 186 patients were studied over 7 months; 89 males (47.9%) and 97 females (52.1%). The prevalence of left ventricular hypertrophy was 61.8%. Thirty five patients (18.8%) had normal left ventricular geometry and these were predominantly females and had the lowest mean age and shortest duration of hypertension. Sixty eight patients (36.6%) had eccentric hypertrophy, 47 (25.3%) had concentric hypertrophy and 36 (19.4%) had concentric remodelling. Independent predictors of the various geometric patterns were identified. Conclusion: A high prevalence of left ventricular hypertrophy was observed with eccentric hypertrophybeing the most common geometric pattern. Gender influenced the pattern of left ventricular geometry.
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Kamilu Musa Karaye (2010) conducted a cross-sectional in Hypertension (n=186). Hypertension was evaluated on Prevalence of left ventricular hypertrophy and geometric patterns. Hypertension in Kano, Nigeria was associated with a 61.8% prevalence of left ventricular hypertrophy, with eccentric hypertrophy being the most common geometric pattern.
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