期刊
JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY
卷 67, 期 1, 页码 1-12出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jacc.2015.10.044
关键词
coronary artery bypass graft; exercise therapy; exercise training; myocardial infarction; percutaneous coronary intervention; revascularization
资金
- National Institutes of Health Research (NIHR) [RP-DG-0709-10111] Funding Source: National Institutes of Health Research (NIHR)
- National Institute for Health Research [RP-PG-1210-12004, NF-SI-0514-10155, RP-DG-0709-10111] Funding Source: researchfish
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. (C) 2016 by the American College of Cardiology Foundation.
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