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Hypertension: trends, risks, drug therapies and clinical challenges in African Americans

Danielle Hollar1, Arthur S Agatston, Charles H Hennekens

  • 1Agatston Research Institute, Miami Beach, Florida, USA. hollard@bellsouth.net

Ethnicity & Disease
|February 24, 2005
PubMed

Insights

Cardiovascular disease (CVD) disproportionately affects African Americans. Effective hypertension drug therapies, including diuretics and calcium channel blockers, can significantly reduce stroke, heart disease, and cardiovascular death risks.

Area of Science:

  • Public Health
  • Cardiology
  • Pharmacology

Background:

  • Cardiovascular disease (CVD) is the leading cause of death in the US, with hypertension as a major risk factor.
  • Hypertension and its severe complications, including stroke and coronary heart disease (CHD), are more prevalent and severe in African Americans.

Purpose of the Study:

  • To highlight the efficacy of antihypertensive drug therapies in reducing cardiovascular morbidity and mortality.
  • To emphasize the need for effective strategies to increase the use of proven therapies among African Americans with hypertension.

Main Methods:

  • Review of randomized trials and meta-analyses on hypertension drug therapy efficacy.
  • Analysis of the impact of blood pressure reduction on stroke, CHD, and cardiovascular death rates.

Main Results:

  • Antihypertensive drug therapy reduces blood pressure by 4-6 mm Hg, leading to significant decreases in stroke (35%-40%), CHD (20%-25%), and cardiovascular death (approx. 25%).
  • Diuretics, ACE inhibitors, and beta-blockers are safe and effective, often used in combination.
  • African Americans with hypertension may require multiple drug therapies, including diuretics and calcium channel blockers, due to disease severity.

Conclusions:

  • Proven cardiovascular drug therapies are effective in managing hypertension and reducing adverse outcomes.
  • Targeted strategies are needed to promote the widespread adoption of these beneficial therapies, particularly among African Americans, to decrease CVD mortality.

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