The multi-center clinical study of perioperative electroacupuncture on intestinal barrier to enhance recovery after colorectal cancer surgery

Interventions: Group 2:Systemic intravenous anesthesia + perioperative electropuncture;Group 1:Systemic intravenous anesthesia Primary outcome(s): anal exhaust time;D-lactose;diamine-oxidase;endotoxin Study Design: Randomized parallel controlled trial