[Evaluation of esophagogastric anastomosis with additional mechanical anti-reflux barrier after proximal gastrectomy].

The application of proximal gastrectomy for suitable upper gastric cancer and AEG patients is increasing along with the promotion of the concept and technology for function-preserving partial gastrectomy. The following problems such as postoperative reflux esophagitis and anastomotic stenosis naturally become the focus of academic field. Based on the understanding of the anti-reflux structure and function of the esophagogastric junction, scholars have successfully established some representative esophagogastric anastomosis methods with additional mechanical anti-reflux barrier, including gastric tube reconstruction, side overlap esophagogastrostomy, and double flap technique. Subsequently, a series of improved esophagogastric reconstruction methods have been derived. At present, the recognized ideal reconstruction method has not yet been established, and there are also misunderstandings in related concepts and cognition. Based on the literatures and the authors' own practical experience, this paper draws on the research results in the field of surgical treatment for reflux esophagitis, and discusses the theoretical basis, key details and anti-reflux effect of the above-mentioned digestive tract reconstruction methods after proximal gastrectomy, as well as the possible problems in the exploration of innovative surgical methods at home and abroad.