Differential control of systolic and diastolic blood pressure in blacks with essential hypertension

Olugbenga E Ayodele1, C Olutayo Alebiosu, Babatunde L Salako

  • 1Department of Medicine, College of Health Sciences, Ladoke Akintola University of Technology, Osogbo, Osun State, Nigeria.

Insights

Systolic blood pressure is less controlled than diastolic blood pressure in Nigerian patients with primary hypertension. This finding highlights a potential increased risk for cardiovascular and renal diseases in this population.

Area of Science:

  • Cardiology
  • Nephrology
  • Public Health

Background:

  • Systolic blood pressure (SBP) poses a higher risk for cardiovascular and renal diseases compared to diastolic blood pressure (DBP).
  • Primary hypertension management requires understanding differential blood pressure control.

Purpose of the Study:

  • To assess the differential control of SBP and DBP in Nigerian patients with primary hypertension.

Main Methods:

  • Prospective observational study in Abeokuta, Nigeria.
  • 185 hypertensive patients (aged 35-85) with prior treatment were assessed over one year.
  • Six clinic blood pressure readings were taken for each patient to calculate average SBP and DBP.

Main Results:

  • Overall, 31.4% of patients achieved controlled blood pressure.
  • DBP control (51.4%) was significantly more frequent than SBP control (35.7%).
  • Patients with uncontrolled SBP were significantly older than those with uncontrolled DBP.

Conclusions:

  • SBP control is less frequent than DBP control in treated Nigerian hypertensive patients.
  • Suboptimal SBP control may elevate the risk of stroke, cardiovascular, and renal complications.
Abstract

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