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Meta-Analysis
. 2023 Dec;25(12):2263-2273.
doi: 10.1002/ejhf.3046. Epub 2023 Oct 31.

Exercise-based cardiac rehabilitation for adults with heart failure - 2023 Cochrane systematic review and meta-analysis

Cal D Molloy  1 , Linda Long  2 , Ify R Mordi  3 , Charlene Bridges  4 , Viral A Sagar  5 , Edward J Davies  6 , Andrew J S Coats  7 , Hasnain Dalal  8 , Karen Rees  9 , Sally J Singh  10 , Rod S Taylor  11   12
Affiliations
Free article
Meta-Analysis

Exercise-based cardiac rehabilitation for adults with heart failure - 2023 Cochrane systematic review and meta-analysis

Cal D Molloy et al. Eur J Heart Fail. 2023 Dec.
Free article

Abstract

Aims: Despite strong evidence, access to exercise-based cardiac rehabilitation (ExCR) remains low across global healthcare systems. We provide a contemporary update of the Cochrane review randomized trial evidence for ExCR for adults with heart failure (HF) and compare different delivery modes: centre-based, home-based (including digital support), and both (hybrid).

Methods and results: Databases, bibliographies of previous systematic reviews and included trials, and trials registers were searched with no language restrictions. Randomized controlled trials, recruiting adults with HF, assigned to either ExCR or a no-exercise control group, with follow-up of ≥6 months were included. Two review authors independently screened titles for inclusion, extracted trial and patient characteristics, outcome data, and assessed risk of bias. Outcomes of mortality, hospitalization, and health-related quality of life (HRQoL) were pooled across trials using meta-analysis at short-term (≤12 months) and long-term follow-up (>12 months) and stratified by delivery mode. Sixty trials (8728 participants) were included. In the short term, compared to control, ExCR did not impact all-cause mortality (relative risk [RR] 0.93; 95% confidence interval [CI] 0.71-1.21), reduced all-cause hospitalization (RR 0.69; 95% CI 0.56-0.86, number needed to treat: 13, 95% CI 9-22), and was associated with a clinically important improvement in HRQoL measured by the Minnesota Living with Heart Failure Questionnaire (MLWHF) overall score (mean difference: -7.39; 95% CI -10.30 to -4.47). Improvements in outcomes with ExCR was seen across centre, home (including digitally supported), and hybrid settings. A similar pattern of results was seen in the long term (mortality: RR 0.87, 95% CI 0.72-1.04; all-cause hospitalization: RR 0.84, 95% CI 0.70-1.01, MLWHF: -9.59, 95% CI -17.48 to -1.50).

Conclusions: To improve global suboptimal levels of uptake for HF patients, global healthcare systems need to routinely recommend ExCR and offer a choice of mode of delivery, dependent on an individual patient's level of risk and complexity.

Keywords: Cardiac rehabilitation; Exercise training; Health-related quality of life; Heart failure; Hospitalization; Mortality.

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Conflict of interest statement

Conflict of interest: R.S.T. is lead investigator on the following ongoing externally funded research projects of cardiac rehabilitation: REACH-HFpEF randomized trial funded by UK National Institute of Health Research (NIHR130487); DK:REACH:HF trial funded by Danish Heart Foundation (20-R145-A9654-22157), and is Director of Cardiac Rehabilitation Cochrane Centre. All other authors have nothing to disclose.

References

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