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beta-Blocker Use and Mortality in COPD Patients After Myocardial Infarction: A Swedish Nationwide Observational Study
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.ORCID iD: 0000-0003-2247-8454
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2015 (English)In: Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, ISSN 2047-9980, Vol. 4, no 4, e001611Article in journal (Refereed) Published
Abstract [en]

Background-Patients with myocardial infarction (MI) and concomitant chronic obstructive pulmonary disease (COPD) constitute a high-risk group with increased mortality. beta-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 beta-blockers in COPD patients is less well established and they may also be less treated due to fear of adverse reactions. We investigated beta-blocker prescription at discharge in patients with COPD after MI. ethods and Results-Patients 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 beta-blockers were compared to patients not discharged with beta-blockers. The primary end point was all-cause mortality. A total of 4858 patients were included, of which 4086 (84.1%) were discharged with a beta-blocker while 772 (15.9%) were not. After adjusting for potential confounders including baseline characteristics, comorbidities, and in-hospital characteristics, patients discharged with a beta-blocker had lower all-cause mortality (hazard ratio 0.87, 95% CI 0.78 to 0.98) during the total follow-up time (maximum 7.2 years). In the subgroup of patients with a history of heart failure, the corresponding hazard ratio was 0.77 (95% CI 0.63 to 0.95). Conclusions-Patients with COPD discharged with beta-blockers after an MI had a lower all-cause mortality compared to patients not prescribed beta-blockers. The results indicate that MI patients with COPD may benefit from beta-blockers.

Place, publisher, year, edition, pages
2015. Vol. 4, no 4, e001611
Keyword [en]
epidemiology, mortality, myocardial infarction, prevention
National Category
Cardiac and Cardiovascular Systems
URN: urn:nbn:se:uu:diva-255305DOI: 10.1161/JAHA.114.001611ISI: 000354137300015PubMedID: 25854796OAI: oai:DiVA.org:uu-255305DiVA: diva2:822723
Available from: 2015-06-17 Created: 2015-06-15 Last updated: 2016-01-18Bibliographically approved

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Sundström, JohanLindahl, BertilJames, Stefan K.
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