In-hospital mortality among black patients admitted for hypertension-related disorders in Mbuji Mayi, Congo

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Published on: June 10, 2025

Jean-René M'Buyamba-Kabangu1, Rachel T Biswika, Lutgarde Thijs

  • 1Hypertension Unit, Department of Internal Medicine, University of Kinshasa Hospital, Kinshasa, The Democratic Republic of Congo.

American Journal of Hypertension
|March 14, 2009
PubMed

Insights

High in-hospital mortality from hypertension affects sub-Saharan Africa. Improved hypertension screening and treatment are crucial for cardiovascular disease prevention in the region.

Area of Science:

  • Cardiology
  • Public Health
  • Epidemiology

Background:

  • Sub-Saharan Africa experiences a high burden of cardiovascular disease (CVD) due to hypertension.
  • Hypertension is a significant risk factor for CVD, leading to widespread health challenges in the region.

Purpose of the Study:

  • To assess in-hospital mortality rates among patients admitted for hypertension-related diseases in Mbuji Mayi, Congo.
  • To identify factors associated with in-hospital mortality in this patient population.

Main Methods:

  • A study was conducted in two city hospitals in Mbuji Mayi, Congo.
  • In-hospital mortality was assessed in 401 patients admitted for hypertension-related diseases.
  • Data on anthropometrics, blood pressure, cardiovascular risk factors, and hypertension awareness/treatment were collected. Stepwise logistic regression was used to model the probability of death.

Main Results:

  • The in-hospital mortality rate was 22.2% (89 deaths).
  • Factors associated with increased mortality included higher systolic blood pressure, higher body mass index, awareness of hypertension, and untreated hypertension.
  • Factors associated with decreased mortality included older age and higher creatinine clearance.

Conclusions:

  • In-hospital mortality for hypertension-related disorders in this Congolese city exceeds 20%.
  • These findings highlight the urgent need to prioritize hypertension screening, treatment, and CVD prevention in sub-Saharan Africa.
  • Elevating hypertension management on the political agenda is essential for public health in the region.
Abstract

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