Physical Activity after Treatment for Symptomatic Peripheral Artery Disease.

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The association of invasive vs noninvasive treatment and physical activity level in patients with claudication remains unclear. Participants with claudication were enrolled from US vascular clinics. Treatment was categorized as invasive (surgical or endovascular treatment <3 months of initial visit) vs. non invasive. Self-reported leisure time (LTPA) and work related physical activity (WRPA) (sedentary, mild, moderate/strenuous), and health status (peripheral artery questionnaire summary score (PAQ SS)) was measured at baseline and 12 months. Change in PA was also categorized as increased, decreased, persistent sedentary [reference] and persistent active based on activity status at baseline and 12 months. Multivariable logistic regression assessed the association of treatment with 12-month LTPA and WRPA. Multivariable linear regression examined the association between 12-month change in PA with a 12-month change in PAQ. A total of 196/656 patients (29.9%) underwent invasive treatment. There was no association between treatment and 12-month LTPA (p=0.77) or WRPA (p =0.26). Compared with being persistently sedentary, increased LTPA was associated with increased PAQ SS (OR 11.1 95% CI (4.4-17.7), p<0.01). In conclusion, there was no association between invasive treatment and physical activity at follow up despite a greater health status change in the invasive group. As increased physical activity was associated with more health status gains than remaining sedentary, additional ways to improve physical activity levels could potentially improve PAD outcomes.

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