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Treatment of the African-American patient with congestive heart failure

Sandeep A Kamath1, Clyde W Yancy

  • 1Department of Internal Medicine/Cardiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9047, USA.

Current Treatment Options in Cardiovascular Medicine
|July 12, 2005
PubMed

Insights

African Americans experience more severe heart failure. A combination of isosorbide dinitrate and hydralazine improves survival in advanced heart failure, offering a new treatment option.

Area of Science:

  • Cardiology
  • Pharmacotherapy
  • Health Disparities

Background:

  • African Americans face a disproportionately higher burden of cardiovascular disease, particularly heart failure, with a more aggressive disease progression.
  • Hypertension is frequently identified as the primary cause of heart failure in this population.
  • Major clinical trials for heart failure pharmacotherapy have historically lacked substantial inclusion of African-American participants.

Purpose of the Study:

  • To evaluate the efficacy of standard evidence-based medical therapy for heart failure in African Americans.
  • To assess the role of specific pharmacotherapies, including angiotensin-converting enzyme (ACE) inhibitors and beta blockers, in this demographic.
  • To investigate the impact of isosorbide dinitrate and hydralazine combination therapy as an adjunct to standard care for African Americans with advanced heart failure.

Main Methods:

  • Review of available evidence regarding heart failure management in African Americans.
  • Analysis of clinical trial data, focusing on treatment responses in different ethnic groups.
  • Examination of emerging evidence on novel therapeutic mechanisms, such as nitric oxide bioavailability.

Main Results:

  • Standard evidence-based medical therapy for heart failure should not be withheld from African Americans.
  • Despite controversy, angiotensin-converting enzyme (ACE) inhibitors and beta blockers are recommended for use in African Americans due to lack of definitive contraindicatory data.
  • The combination of isosorbide dinitrate and hydralazine significantly improved survival in African Americans with New York Heart Association class III and IV heart failure when added to standard therapy.

Conclusions:

  • African Americans with heart failure may benefit from standard evidence-based treatments, including ACE inhibitors and beta blockers.
  • The combination of isosorbide dinitrate and hydralazine is a valuable adjunctive treatment for African Americans with advanced heart failure.
  • Nitric oxide bioavailability may represent a key therapeutic target for heart failure in African Americans.

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