Effects of exercise training on left ventricular remodelling in heart failure patients: an updated meta-analysis of randomised controlled trials

Summary Objectives:  The purpose of this updated meta‐analysis was to determine whether exercise training reversed left ventricular remodelling in heart failure patients. Methods:  Articles were searched in MEDLINE, Cochrane Central Register of Controlled Trials, CINAHL, EMBASE and PubMed (up until...

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Veröffentlicht in:International journal of clinical practice (Esher) 2012-08, Vol.66 (8), p.782-791
Hauptverfasser: Chen, Y. M., Li, Z. B., Zhu, M., Cao, Y. M.
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Sprache:eng
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Zusammenfassung:Summary Objectives:  The purpose of this updated meta‐analysis was to determine whether exercise training reversed left ventricular remodelling in heart failure patients. Methods:  Articles were searched in MEDLINE, Cochrane Central Register of Controlled Trials, CINAHL, EMBASE and PubMed (up until October, 2011). The anti‐remodelling benefit of exercise training was assessed by ejection fraction (EF), end‐diastolic volume (EDV) and end‐systolic volume (ESV). Standardised mean difference (SMD) together with 95% confidence intervals (CI) was calculated. Subgroup meta‐analysis with exercise duration was also conducted. Results:  Fifteen randomised controlled trials with 813 patients were included. Aerobic exercise training improved EF (SMD = 0.44; 95% CI 0.28 to 0.61), EDV (SMD = −0.33; 95% CI −0.49 to −0.16) and ESV (SMD = −0.40; 95% CI −0.57 to −0.23). Subgroup analysis indicated that long‐term aerobic exercise (≥6 months) had a marked positive effect on EF (SMD = 0.5; 95% confidence interval 0.31 to 0.69), EDV (SMD = −0.38; 95% CI −0.57 to −0.19) and ESV (SMD = −0.48; 95% CI −0.67 to −0.29), but there was no evidence of benefit with short‐term aerobic exercise (
ISSN:1368-5031
1742-1241
DOI:10.1111/j.1742-1241.2012.02942.x