Physical Activity and Risk of Postoperative Delirium

Journal of the American Geriatrics Society

Fecha de publicación:


Autores: Susie S. Lee MD, MS., Yungtai Lo, PhD., Joe Verghese MBBS, MS

Background: Regular physical activity (PA) has been associated with improved cognitive function, but its effect on postoperative delirium (POD) has not been established. Our objectives were to determine the effect of baseline PA on the incidence of POD in older patients undergoing elective orthopedic surgery and to determine whether these effects were independent of cognitive reserve. We hypothesize that PA protects against POD by bolstering physiologic reserve needed to withstand the stressors of surgery.

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