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Janse Van Rensburg Z, Vincent-Lambert C, Razlog R, Phaladze N. Prevalence of hypertension in a sample of community members in a low-income peri-urban setting in Gaborone, Botswana. J Public Health Afr 2023; 14:2068. [PMID: 37065813 PMCID: PMC10099957 DOI: 10.4081/jphia.2023.2068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 05/15/2022] [Indexed: 03/06/2023] Open
Abstract
Background: Cardiovascular disease remains the leading cause of death worldwide. Hypertension is a primary risk factor for the development of cardiovascular disease and affects more than a quarter of the global adult population. Africa is a continent where the prevalence of non-communicable diseases including cardiovas- cular disease and hypertension, is increasing rapidly. Botswana is a developing country in Sub-Saharan Africa. In such contexts the early identification of hypertension, through community screening initiatives, is an important tool for the management of cardiovas- cular disease in the population.
Objective: To investigate and describe the prevalence of hypertension in a sample of community members residing in a low-income peri-urban setting in Gaborone, Botswana.
Method: 364 adult participants had their blood pressures mea- sured during a community health screening exercise. The values were analysed and categorised using the American Heart Association classification scale as either being normal, elevated, hypertensive stage 1 or hypertensive stage 2.
Results: 234/364 (64%) of participants were found to have blood pressures within normal limits. 53/364 (15%) had elevated blood pressures, 57/364 (16%) were in hypertensive stage 1 and 20/364 (5%) were in hypertensive stage 2.
Conclusions: Hypertension in Africa is a growing concern. Botswana appears to be no exception with a 36% prevalence of abnormal blood pressures being recorded. However, the majority of these were classified as elevated or stage 1. Early identification and treatment of hypertension in these early stages can significant- ly decrease the risk of developing stage 2 hypertension and the related systemic complications.
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Nizar JM. Invited Editorial for Physiological Reports (PHY2-2020-04-0157.R2) "Physiological variations of blood pressure according to gender and age among healthy young black Africans aged between 18 to 30 years in Côte d'Ivoire, West Africa". Physiol Rep 2020; 8:e14616. [PMID: 33052630 PMCID: PMC7556309 DOI: 10.14814/phy2.14616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 09/24/2020] [Indexed: 11/30/2022] Open
Affiliation(s)
- Jonathan M. Nizar
- Division of Nephrology and HypertensionCarver College of MedicineFraternal Order of Eagles Diabetes Research CenterUniversity of IowaIowa CityIAUSA
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