Aldosterone in Congestive Heart Failure

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Abstract
The potent mineralocorticoid aldosterone has a multifaceted role in the pathogenesis of congestive heart failure. In addition to its contribution to salt and water retention, it also promotes organ fibrosis. Although angiotensin-converting–enzyme inhibitors have important therapeutic benefit in heart failure, they do not eliminate the effects of aldosterone. Thus, recent studies have underscored the value of aldosterone-receptor antagonists, such as spironolactone, in the treatment of chronic heart failure. This review article gives an in-depth update on the mechanisms of action of aldosterone and their implications for therapy.