OBJECTIVE: The evidence for cardiac rehabilitation after valve surgery remains sparse. Current recommendations are therefore based on patients with ischaemic heart disease. The aim of this randomised clinical trial was to assess the effects of cardiac rehabilitation versus usual care after heart valve surgery. METHODS: The trial was an investigator-initiated, randomised superiority trial (the CopenHeartVR trial, VR; valve replacement or repair). We randomised 147 patients after heart valve surgery 1:1 to 12 weeks of cardiac rehabilitation consisting of physical exercise and monthly psycho-educational consultations (intervention) versus usual care without structured physical exercise or psycho-educational consultations (control). Primary outcome was physical capacity measured by VO2peak and secondary outcome was self-reported mental health measured by Short Form-36. RESULTS: 76% were men, mean age 62 years, with aortic (62%), mitral (36%) or tricuspid/pulmonary valve surgery (2%). Cardiac rehabilitation compared with control had a beneficial effect on VO2peak at 4 months (24.8 mL/kg/min versus 22.5 mL/kg/min, p = 0.045) but did not affect Short Form-36 Mental Component Scale at 6 months (53.7 versus 55.2 points, p = 0.40) or the exploratory physical and mental outcomes. Cardiac rehabilitation increased the occurrence of self-reported non-serious adverse events (11/72 versus 3/75, p = 0.02). CONCLUSIONS: Cardiac rehabilitation after heart valve surgery significantly improves VO2peak at 4 months but has no effect on mental health and other measures of exercise capacity and self-reported outcomes. Further research is needed to justify cardiac rehabilitation in this patient group. TRIAL REGISTRATION NUMBER: NCT01558765, results.
Reproduced with permission from the BMJ Publishing Group.

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