A randomized controlled trial of preoperative carbohydrate drinks on postoperative walking capacity in elective colorectal surgery.

Background And Objectives: Routine overnight fasting may increase the risk of postoperative complications and delay postoperative recovery. Oral carbohydrate drinks have been shown to reduce glucose utilization and postoperative negative nitrogen balance while preserving muscle mass and strength. This randomized controlled trial aimed to examine whether preoperative oral carbohydrate drinks can enhance postoperative physical recovery in patients undergoing major colorectal surgery.