Adverse outcomes of underuse of beta-blockers in elderly survivors of acute myocardial infarction.

Reports on medical research designed to study determinants and adverse outcomes, such as mortality and rehospitilization, of beta-blocker underuse in elderly patients with myocardial infarction. The determination of the relative risks of survival associated with beta-blocker use comparable to those reported in a the large randomized controlled trials; Setting; Design; Patients; Main outcome measures; Results; Conclusions.