Abstract:

Objective To explore the short-term efficacy and safety of overlap anastomosis and π anastomosis in robot assisted total gastrectomy. Method 103 patients who underwent total gastrectomy in Hainan Provincial People's Hospital from January 2022 to January 2025 were selected as the research objects and randomly divided into two groups according to the number table method. The Overlap group (n=52) received Overlap anastomosis, and the π group (n=51) received π anastomosis. The operation conditions (operation time, digestive tract reconstruction time, intraoperative blood loss, number of lymph node dissections, anastomosis time), postoperative recovery (postoperative analgesia time, ambulation time, anal exhaust time, postoperative hospital stay), nutritional indicators and adverse reactions between the two groups were compared. Result The operation time and anastomosis time of π group were shorter than those of overlap group (P ＜ 0.05); There was no significant difference in intraoperative blood loss and the number of lymph nodes between the two groups (P ＞ 0.05); The postoperative anal exhaust time and postoperative hospital stay in π group were shorter than those in overlap group (P ＜ 0.05); There was no significant difference in postoperative analgesia time and ambulation time between the two groups (P ＞ 0.05). At 3 months after operation, the levels of hemoglobin, albumin and prealbumin in the two groups were higher than those before operation (P ＜ 0.05), but there was no significant difference between the overlap group and the π group (P ＞ 0.05). The total complication rate in π group was significantly lower than that in overlap group (P ＜ 0.05). Conclusion In robot assisted total gastrectomy, the operation time of π anastomosis are short, the postoperative recovery of patients is fast, and the incidence of complications is low, the short-term curative effect is significant and has high safety.

Key words: Robot, Total gastrectomy, Overlap coincide, π coincide