Key result
Beta-blockade started during MI convalescence reduces mortality by ~25% over one to two years.
Why the study?
Beta-blockade started during convalescence from confirmed myocardial infarction reduces mortality, but mechanisms, drug choice, treatment criteria, and duration remain uncertain.
Does beta-blockade reduce mortality in patients convalescing from confirmed myocardial infarction?
Does beta-blockade reduce mortality in patients convalescing from confirmed myocardial infarction?
Beta-blockers started during convalescence from myocardial infarction reduce mortality by approximately 25% over the subsequent 1-2 years.
Supports post-MI beta-blockade for mortality reduction; leaves open optimal duration and relevance in reperfusion era.
Excellent recent trials have demonstrated beyond reasonable doubt that beta-blockade started during convalescence from confirmed myocardial infarction reduces mortality in the next year or two by about a quarter. Similar confidence does not extend to the mechanisms of action, choice of drug, defining treatment criteria in relation to severity and age, or to the duration of treatment.
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G Rose (1984) studied this question. Beta-blockade started during convalescence from confirmed myocardial infarction reduces mortality over the next one to two years by approximately 25%.
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