Protocol Summary Project Name:Effect of Perioperative TEAS Combined with TCM on Gastrointestinal Function Recovery in Abdominal Surgery Patients Research Objective:To evaluate the impact of perioperative TEAS combined with TCM on postoperative gastrointestinal function, pain, adverse reactions, hospital stay, and complications, as well as its safety, aiming to enrich the ERAS and prehabilitation theory and promote the integration of TCM in surgical practice. Research Design:Prospective, randomized, open-label trial involving 148 abdominal surgery patients (Grade IV surgeries) randomly assigned 1:1 to the experimental group (TCM + TEAS + prehabilitation + ERAS) or the control group (prehabilitation + ERAS). Total Cases:148 Case Selection Inclusion Criteria: 1. Age 18-80, no severe gastrointestinal dysfunction; 2. Elective abdominal Grade IV surgeries (pancreas or colorectall surgeries) via open or laparoscopic methods; 3. Preoperative ASA classification I-III; 4. Signed informed consent. Exclusion Criteria: Severe comorbidities, skin abnormalities at acupoints, long-term use of gastrointestinal motility drugs, or other factors affecting the trial. Elimination Criteria: Poor compliance, significant missing data, or severe adverse events unrelated to the intervention. Treatment Plan TEAS combined with TCM from the day of surgery to postoperative day 4, alongside prehabilitation and ERAS. Efficacy Evaluation Primary Outcomes: Time to first flatus and defecation. Secondary Outcomes: Postoperative hospital stay, time to tolerate semi-liquid/solid food, nausea/vomiting, pain, bloating, first ambulation, 30-day readmission rate, WBC/CRP levels, and gastrin levels. Safety Evaluation: Any adverse events. Statistical Methods Continuous variables expressed as mean (SD) or median (IQR); independent t-test for normal distributions. Categorical variables summarized as frequencies/percentages, analyzed using χ² or Fisher's exact test. Group differences reported as 95% CI and two-sided P-values (P \< 0.05 significant). Preset subgroup analyses by surgery type and frailty.
Age range
18 Years – 80 Years
Sex
ALL
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Time to First Defecation
Timeframe: Time to first defecation was recorded from the moment sugery finished until the first defecation occurred, with a maximum observation period of 4 days
Time to first flatus
Timeframe: Time to first flatus was recorded from the moment sugery finished until the first flatus occurred, with a maximum observation period of 4 days
Serological Markers
Timeframe: Measured preoperatively (day 1 before surgery) and on postoperative day 3.