Key result
Cardiac rehab maintains or improves cardiorespiratory fitness in ~63% of CAD patients at one year.
Why the study?
Data are scarce concerning the sustainable effects of cardiac rehabilitation on cardiorespiratory fitness in patients with CAD.
Does a cardiac rehabilitation program improve and maintain cardiorespiratory fitness at 1 year post-completion in patients with coronary artery disease?
Cohort (n=259)
Yes
Does a cardiac rehabilitation program improve and maintain cardiorespiratory fitness at 1 year post-completion in patients with coronary artery disease?
Absolute Event Rate: 6.6% vs 6.4%
p-value: p=<.002
Most patients with coronary artery disease maintain the cardiorespiratory fitness benefits gained from cardiac rehabilitation at 1 year post-completion.
PURPOSE: Data are scarce concerning the sustainable effects of cardiac rehabilitation (CR), on cardiorespiratory fitness (CRF) of patients with coronary artery disease (CAD). This study, carried out using data from a French multicenter study, aimed to clarify the evolution of the CRF of patients with CAD 1 yr after the end of a CR stay. METHODS: Patients were included after an acute coronary syndrome (77%) and/or coronary revascularization, occurring <3 mo beforehand. All underwent a CR program with CRF evaluation by exercise testing (ET) on a cycle ergometer at the beginning of CR (ET1), at its end (ET2), and 1 yr later (ET3)-all ETs were performed with medication. RESULTS: Two hundred fifty-nine patients were included (age 60 ± 10 yr, 89% male) in 16 French CR centers. Left ventricular ejection fraction was 55.3 ± 9%. Revascularization was complete (82%). Maximal workloads were 110 ± 37 (ET1), 139 ± 43 (ET2), and 144 ± 46 W (ET3) ( P < .001). The estimated metabolic equivalents of the task (METs) were respectively 5.3 ± 1.4, 6.4 ± 1.6 ( P < .001), and 6.6 ± 1.7 ( P < .002). One year later, 163 patients (63%) improved or maintained their CRF (ET3 ≥ ET2), 73 (28%) decreased (ET1 < ET3 < ET2), and 23 (9%) lost the benefit of CR (ET3 ≤ ET1). CONCLUSION: Among completers who agreed to enroll in this study, most patients with CAD seem to maintain their CRF 1 yr after CR.
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Pavy et al. (2022) conducted a cohort in Coronary artery disease (n=259). Cardiac rehabilitation vs. End of cardiac rehabilitation (baseline for 1-year follow-up) was evaluated on Evolution of cardiorespiratory fitness (estimated METs) 1 year after cardiac rehabilitation (p=<.002). One year after completing cardiac rehabilitation, 63% of patients with coronary artery disease improved or maintained their cardiorespiratory fitness, while 9% lost the benefit.
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