This is a prospective study using a multicenter, randomized, controlled, open label, and efficacy validated approach.At present, there is no universally recognized optimal method for gastrointestinal reconstruction after proximal gastrectomy in the surgical treatment of gastric cancer.Author's team has proposed an innovative method named Hao's Esophagogastrostomay by Fisture Technique (HEFT).By adding anti reflux structures such as "false gastric fundus" and "false cardia" to the anastomosis of the residual stomach of the esophagus, not only can the purpose of anti reflux be achieved, but also the normal physiological channel can be maintained, it can fully utilize residual stomach function and reduce the difficulty of surgery.Through retrospective research, our single center has confirmed that HEFT is safe and feasible.On this basis, this study will compare the nutritional status, short- and medium- to long-term safety after laparoscopic HEFT and double-tract reconstruction , in order to evaluate and discover more reasonable digestive tract reconstruction methods after proximal gastrectomy, and to promote the development and popularization of minimally treatment technology for gastric cancer. This study was jointly conducted by Shanghai-level hospitals (Huashan Hospital ,Shanghai Cancer Center, and Ruijin Hospital), with Huashan Hospital as the leading unit. This study will recruit 52 patients, with 26 patients in the experimental group and 26 patients in the control group. Using a central dynamic randomization method based on minimization, patients are assigned to groups in a 1:1 ratio. Based on the different anastomotic methods used in proximal gastrectomy, patients are divided into a HEFT group (experimental group) and a double-tract reconstruction group (control group).Plan to collect cases for 2 years, and follow up for another year after the last case is enrolled. The primary endpoint of the study was the body weight loss (BWL) rate at 1 year after surgery. Secondary endpoints: Effect evaluation indicators: hemoglobin level at 1 year after surgery; Serum albumin level at 1 year after surgery; The incidence of anastomotic stenosis 1 year after surgery; Incidence of reflux esophagitis at 1 year after surgery. Evaluation of short-term surgical safety (duration: 7 days): operation time, intraoperative bleeding, anastomotic leakage, pancreatic leakage, and incidence of abdominal infection; Evaluation of medium- and long-term safety after surgery (duration: 36 months): overall survival rate at 3 years after surgery; disease-free survival rate at 3 years after surgery.
Age range
18 Years – 80 Years
Sex
ALL
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body weight loss（BWL）
Timeframe: From enrollment to 1 year after surgery