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The pleiotropic effects of antihypertensive agents: do they account for additional cardiovascular benefit beyond BP

Howard S Weintraub1, Jan Basile

  • 1Center for the Prevention of Cardiovascular Disease, New York University Medical Center, New York, NY 10016, USA. howard.weintraub@nyumc.org

Southern Medical Journal
|July 16, 2008
PubMed

Insights

Hypertension often co-occurs with other cardiovascular risks due to shared pathways, particularly the renin-angiotensin-aldosterone system. Targeting this system with medications can help manage hypertension and related cardiovascular diseases.

Area of Science:

  • Cardiology
  • Pharmacology

Background:

  • Hypertension frequently clusters with other cardiovascular risk factors, suggesting shared underlying pathogenic mechanisms.
  • The renin-angiotensin-aldosterone system, mediated by angiotensin II, plays a key role in these shared pathways, affecting endothelial function and vascular balance.

Purpose of the Study:

  • To explore the role of the renin-angiotensin-aldosterone system in the pathogenesis of hypertension and cardiovascular disease.
  • To discuss the therapeutic implications of targeting this system and other mechanisms with antihypertensive agents.

Main Methods:

  • Review of existing literature on the renin-angiotensin-aldosterone system and its role in hypertension.
  • Analysis of the mechanisms by which angiotensin II affects endothelial function and vascular homeostasis.
  • Consideration of the impact of angiotensin-converting enzyme inhibitors, angiotensin II type 1 receptor blockers, and calcium channel blockers.

Main Results:

  • Angiotensin II disrupts the balance of vasoactive substances and growth factors, impairing endothelial structure and function.
  • Inhibition of the renin-angiotensin-aldosterone system helps restore vascular equilibrium.
  • Calcium channel blockade may also favorably influence certain pathogenic mechanisms.

Conclusions:

  • The renin-angiotensin-aldosterone system is a critical link between hypertension and other cardiovascular risk factors.
  • Targeting this system offers a strategy for managing hypertension and potentially mitigating broader cardiovascular disease risks.
  • Newer antihypertensive agents targeting pathogenic mechanisms may benefit selected high-risk patients.

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