What is the most effective beta-blocker for heart failure?
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Three beta-blockers--carvedilol, metoprolol, and bisoprolol--reduce mortality in chronic heart failure caused by left ventricular systolic dysfunction, when used in addition to diuretics and angiotensin converting enzyme (ACE) inhibitors (strength of recommendation [SOR]: A, based on large randomized placebo-controlled trials). No differences in mortality or patient tolerance have been demonstrated in studies comparing carvedilol and metoprolol (SOR: B, based on small head-to-head trials).
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