研究单位：[1]Wenzhou Medical University[2]The Second Hospital of Anhui Medical University[3]Tongji Hospital, Tongji Medical college[4]The First Affiliated Hospital of Nanchang University
The purpose of this study is evaluate postoperative delirium after general anesthesia and regional anesthesia in elderly patients undergoing hip fracture surgery. Our research hypotheses are: (1) regional anesthesia may contribute to decrease the incidence of postoperative delirium. (2) Regional anesthesia may improve the outcome of elderly patient and reduce healthcare costs associated with postoperative delirium. (3) Postoperative delirium may result in poor long-term functional outcomes.
