Exercise-based cardiac rehabilitation for coronary heart disease: cochrane systematic review and meta-analysis

Anderson, L., Oldridge, N., Thompson, D. R., Zwisler, A.-D., Rees, K., Martin, N. and Taylor, R. S. (2016) Exercise-based cardiac rehabilitation for coronary heart disease: cochrane systematic review and meta-analysis. Journal of the American College of Cardiology, 67(1), pp. 1-12. (doi: 10.1016/j.jacc.2015.10.044) (PMID:26764059)

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Abstract

Background: Although recommended in guidelines for the management of coronary heart disease (CHD), concerns have been raised about the applicability of evidence from existing meta-analyses of exercise-based cardiac rehabilitation (CR). Objectives: The goal of this study is to update the Cochrane systematic review and meta-analysis of exercise-based CR for CHD. Methods: The Cochrane Central Register of Controlled Trials, MEDLINE, EMBASE, CINAHL, and Science Citation Index Expanded were searched to July 2014. Retrieved papers, systematic reviews, and trial registries were hand-searched. We included randomized controlled trials with at least 6 months of follow-up, comparing CR to no-exercise controls following myocardial infarction or revascularization, or with a diagnosis of angina pectoris or CHD defined by angiography. Two authors screened titles for inclusion, extracted data, and assessed risk of bias. Studies were pooled using random effects meta-analysis, and stratified analyses were undertaken to examine potential treatment effect modifiers. Results: A total of 63 studies with 14,486 participants with median follow-up of 12 months were included. Overall, CR led to a reduction in cardiovascular mortality (relative risk: 0.74; 95% confidence interval: 0.64 to 0.86) and the risk of hospital admissions (relative risk: 0.82; 95% confidence interval: 0.70 to 0.96). There was no significant effect on total mortality, myocardial infarction, or revascularization. The majority of studies (14 of 20) showed higher levels of health-related quality of life in 1 or more domains following exercise-based CR compared with control subjects. Conclusions: This study confirms that exercise-based CR reduces cardiovascular mortality and provides important data showing reductions in hospital admissions and improvements in quality of life. These benefits appear to be consistent across patients and intervention types and were independent of study quality, setting, and publication date.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Taylor, Professor Rod
Authors: Anderson, L., Oldridge, N., Thompson, D. R., Zwisler, A.-D., Rees, K., Martin, N., and Taylor, R. S.
College/School:College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > MRC/CSO SPHSU
Journal Name:Journal of the American College of Cardiology
Publisher:Elsevier
ISSN:0735-1097
ISSN (Online):1558-3597
Published Online:04 January 2016
Copyright Holders:Copyright © 2016 American College of Cardiology Foundation
First Published:First published in Journal of the American College of Cardiology 67(1):1-12
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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