β‐Blocker Use and Mortality in COPD Patients After Myocardial Infarction: A Swedish Nationwide Observational Study
2015
BackgroundPatients with myocardial infarction (MI) and concomitant chronic obstructive pulmonary disease (COPD) constitute a high‐risk group with increased mortality. β‐Blocker therapy has been shown to reduce mortality, prevent arrhythmias, and delay heart failure development after an MI in broad populations. However, the effect of β‐blockers in COPD patients is less well established and they may also be less treated due to fear of adverse reactions. We investigated β‐blocker prescription at discharge in patients with COPD after MI. Methods and ResultsPatients hospitalized for MI between 2005 and 2010 were identified from the nationwide Swedish SWEDEHEART registry. Patients with COPD who were alive and discharged after an MI were selected as the study population. In this cohort, patients who were discharged with β‐blockers were compared to patients not discharged with β‐blockers. The primary end point was all‐cause mortality. A total of 4858 patients were included, of which 4086 (84.1%) were discharged w...
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