Electro-acupuncture for postoperative gastrointestinal dysfunction in colorectal cancer: a randomized controlled trial

INTERVENTION: Sham electro‐acupuncture group:Sham electro‐acupuncture;Electro‐acupuncture group:Electro‐acupuncture;Routine group:routine therapy; CONDITION: Colorectal cancer PRIMARY OUTCOME: the time of first postoperative anal exhaust; SECONDARY OUTCOME: Postoperative surgical site pain degree;Use of analgesia pump;Gastrointestinal symptom rating scale;Postoperative hospital stay;Frequency (times/day) and degree (Visual analogue scale, VAS) of postoperative nausea/vomiting/ abdominal distension;I‐FEED scale;Postoperative bowel sound recovery time;EORTC QLQ‐C30 (V3.0);EORTC QLQ‐CR29;Gut microbiota;Initial bowel movement time; INCLUSION CRITERIA: (1) males or females are between 18 and 80 years of age; (2) colonoscopy and histopathological biopsy diagnosed as primary colon cancer or primary high rectal cancer; (3) symptoms related to gastrointestinal dysfunction occurred after surgery, including nausea, vomiting, abdominal distension, diarrhea, constipation, etc.; at least one item in the Gastrointestinal Symptom Rating Scale (GSRS) was scored 2 points or above; (4) the surgery method is limited to laparoscopic radical resection of colorectal cancer; (5) the Karnofsky score (KPS) = 60, or the Zubrod‐ Eastern Cooperative Oncology Group (ECOG) = 1; (6) have not received acupuncture treatment within the past 3 months; (7) those who signed informed consent and volunteered to participate in this study.