Exercise rehabilitation has a long history in the management of chronic heart failure, with the first randomized trial of exercise training dating back to 19901 — and by the late 1990s, it had become an integral part of therapy.2 There is solid evidence from multiple trials and meta-analyses that exercise training improves exercise capacity and reduces symptoms in patients with stable heart failure. However, trial data showing a reduction in the risk of hospitalization or death in patients with heart failure who participated in exercise training are lacking, although the results from a large trial, HF-ACTION (Heart Failure: A Controlled . . .