The Impact of Postoperative TEAS on the Incidence of LARS and Gastrointestinal Recovery in Rectal Cancer Patients after stoma closure

INTERVENTION: TEAS group:Transcutaneous Electrical Acupoint Stimulation and postoperative management;Sham TEAS group:Sham Transcutaneous Electrical Acupoint Stimulation and postoperative management; CONDITION: DE2Y LARS;Gastrointestinal Recovery PRIMARY OUTCOME: Incidence of severe LARS in the two groups at 1, 2, and 3 months after stoma reversal;time to first flatus; SECONDARY OUTCOME: time to first feces;Severity of nausea, bloating, and pain;I‐FEED Score;Wexner Score for Fecal Incontinence;patient reported bowel symptoms;Fecal Incontinence Quality of Life Questionnaire (FIQL);Use of analgesics; INCLUSION CRITERIA: a. Aged between 35 and 75 years; b. Cases undergoing radical resection or low anterior resection of rectal cancer with preservation of the anal sphincter, followed by stoma reversal; c. Karnofsky Performance Status (KPS) of =60, or Eastern Cooperative Oncology Group (ECOG) performance status of =2; d. No history of acupuncture or transcutaneous electrical acupoint stimulation (TEAS) within the past 3 months; e. Informed consent from the patient or their family.