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Hypertension: racial differences.

G M Eisner1

  • 1Department of Physiology and Biophysics, Georgetown University School of Medicine, Washington, DC 20007.

American Journal of Kidney Diseases : the Official Journal of the National Kidney Foundation
|October 1, 1990
PubMed
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Hypertension is more prevalent in Black populations and presents with distinct characteristics. Management strategies should prioritize salt restriction and specific antihypertensive agents for Black individuals.

Area of Science:

  • Cardiovascular Medicine
  • Epidemiology
  • Nephrology

Background:

  • Hypertension prevalence, clinical course, and pathophysiology differ between Black and White populations.
  • Epidemiologic data show higher hypertension rates in Black individuals across matched age and sex groups.
  • Hypertensive Black individuals exhibit increased risks for left ventricular dysfunction, stroke, and renal damage, but lower risk for ischemic heart disease compared to White individuals.

Purpose of the Study:

  • To review racial differences in hypertension between Black and White populations.
  • To highlight distinct pathophysiologic characteristics, including salt sensitivity and renin levels.
  • To recommend tailored management strategies for hypertension in Black individuals.

Main Methods:

  • Review of accumulated epidemiologic data.

Related Experiment Videos

  • Analysis of pathophysiologic differences, including salt sensitivity, renin levels, and dopamine response.
  • Synthesis of clinical course and outcome data.

    • Main Results:

    • Black populations exhibit higher hypertension prevalence and distinct clinical outcomes.
    • Significant pathophysiologic differences include salt sensitivity and lower renin levels in Black individuals.
    • Dopamine response to salt load is diminished in Black individuals.

    Conclusions:

    • Hypertension management in Black individuals should initially focus on salt restriction.
    • If dietary changes are insufficient, antihypertensive agents with 24-hour efficacy, reduced vascular resistance, and natriuretic properties are recommended.
    • Calcium channel blockers may be suitable for managing hypertension in Black patients due to their potential to meet these criteria.