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Primary care clinicians might have noticed that some surgeons refer their patients for “prehabilitation” — preparing patients for surgery through exercise, nutritional enhancement, psychological support, cognitive training, or a combination of these components. But in general, existing evidence is regarded as low in quality and does not clarify the relative values of different forms of prehabilitation.
Researchers performed a network meta-analysis and component network meta-analysis of 186 randomized trials in which any form of prehabilitation was compared with usual care in 15,000 patients who were preparing for major surgery. Analyses were performed to compare the effects of various single-component and multicomponent interventions on comp…