Key PointsQuestionDoes a low-intensity (does not induce ischemic leg symptoms) home-based walking exercise intervention improve 6-minute walk distance more than a high-intensity (induces ischemic leg symptoms) home-based walking exercise intervention and does the low-intensity intervention improve 6-minute walk distance more than a nonexercise control (weekly health educational sessions only) among patients with lower-extremity peripheral artery disease (PAD)? FindingsIn this multicenter randomized clinical trial that included 305 participants with PAD, low-intensity exercise, high-intensity exercise, and nonexercise control resulted in a mean 12-month change in 6-minute walk distance of −6.4 m, 34.5 m, and −15.1 m, respectively. Low-intensity exercise was significantly less effective than high-intensity exercise and was not significantly different from the nonexercise control. MeaningThese findings do not support the use of low-intensity walking exercise for patients with PAD.
JAMA – American Medical Association
Published: Apr 6, 2021
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