Cognitive dysfunction after minor surgery in the elderly

Background: Major surgery is frequently associated with postoperative cognitive dysfunction (POCD) in elderly patients. Type of surgery and hospitalization may be important prognostic factors. The aims of the study were to find the incidence and risk factors for POCD in elderly patients undergoing minor surgery. Methods: We enrolled 372 patients aged greater than 60 years scheduled for minor surgery under general anesthesia. According to local...