• Chang-Min Chung, Ming-Shyan Lin, Shih-Tai Chang, Po-Chang Wang, Teng-Yao Yang, and Yu-Sheng Lin.
• Department of Medicine, College of Medicine, Chang Gung University, Taoyuan County, Taiwan; Division of Cardiology, Chang Gung Memorial Hospital, Chiayi, Taiwan.
• Mayo Clin. Proc. 2022 Mar 1; 97 (3): 531-546.

ObjectiveTo investigate which types of β-blockers have better efficacy and safety profiles in patients with concomitant chronic obstructive pulmonary disease (COPD) and myocardial infarction (MI) to address concerns about use of β-blockers in COPD.MethodsWe identified 65,699 patients with COPD prescribed β-blockers after first MI in the Taiwan National Health Insurance Research Database between January 1, 2001, and December 31, 2013. Comparisons were performed using the inverse probability of treatment weighting method. The primary outcome was all-cause mortality; secondary outcomes were heart failure hospitalization, major adverse cardiac and cerebrovascular event (MACCE), and major adverse pulmonary event (MAPE).ResultsA total of 14,789 patients prescribed β-blockers were enrolled, of whom 7247 (49.0%) used cardioselective β-blockers and 7542 (51.0%) used nonselective β-blockers. The cardioselective group had lower incidence rates of mortality (hazard ratio [HR], 0.93; 95% CI, 0.89 to 0.96), MACCE (HR, 0.96; 95% CI, 0.93 to 0.998), heart failure hospitalization (subdistribution HR, 0.84; 95% CI, 0.78 to 0.91), and MAPE (HR, 0.94; 95% CI, 0.90 to 0.98) at the end of follow-up after weighting. Similar results were also found in subgroup analysis between those prescribed bisoprolol and those prescribed carvedilol.ConclusionPatients prescribed a cardioselective β-blocker may have a lower incidence of all-cause mortality, MACCE, heart failure hospitalization, and MAPE than those prescribed a nonselective β-blocker. Cardioselective β-blocker treatment during hospitalization and continuing after discharge appears to be superior to nonselective β-blocker treatment in patients with COPD after MI.Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved.

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