Brief Preoperative Screening for Frailty and Cognitive Impairment Predicts Delirium after Spine Surgery

Background Frailty and cognitive impairment are associated with postoperative delirium, but are rarely assessed preoperatively. The study was designed to test the hypothesis that preoperative screening for frailty or cognitive impairment identifies patients at risk for postoperative delirium (primary outcome). Methods In this prospective cohort study, the authors administered frailty and cognitive screening instruments to 229 patients greater...