The review pooled 107 randomised trials of exercise-based cardiac rehabilitation against a no-exercise control in 26,886 adults with coronary heart disease. Most participants had had a heart attack or a revascularisation, and mean ages across trials ranged from 47 to 81 years. Twenty-two trials covering 3,456 participants are new since the previous version, with follow-up of at least six months.
Why it is interesting: Exercise rehabilitation is standard secondary prevention after a heart attack, and the trial evidence is restated to March 2026.
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