• Vishal Bhatia, Ruchi Bhatia, and Boban Mathew.
• Department of Internal Medicine, State University of New York, Buffalo, NY 14216, USA. vbhatia@buffalo.edu
• Cardiol Rev. 2005 Nov 1;13(6):297-303.

AbstractHeart failure results in neurohormonal activation of which the renin-angiotensin-aldosterone system (RAS) is the main mediator. Activation of this system leads to the production of angiotensin II (ATII), which leads to multiple adverse short-term and long-term effects, including hemodynamic dysfunction, renal dysfunction, inflammation, and cardiac remodeling. Angiotensin-converting enzyme inhibitors (ACEIs) exert favorable effects in congestive heart failure (CHF) by inhibiting the production of ATII. It has been shown that ACEIs may not be able to suppress the production of ATII completely because there are RAS-independent mechanisms of ATII production. Hence, it was thought that angiotensin receptor blockers (ARBs) might be more useful in CHF because they directly block the ATII receptors. Many studies have been done to evaluate the role of ARBs in CHF. We reviewed these studies and have attempted to define the place and ARBs in the therapy for CHF.

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