Abstract
Laparoscopic radical gastrectomy is currently the most common surgical approach for gastric cancer. The main difference between totally laparoscopic total gastrectomy (TLTG) and laparoscopic-assisted total gastrectomy (LATG) is the route of digestive tract reconstruction. However, TLTG is currently not widespread as the safety and feasibility of intracorporeal esophagojejunostomy is uncertain. To compare the short-term efficacy of TLTG and LATG for radical gastrectomy of gastric cancer, and to determine the safety and feasibility of intracorporeal esophagojejunostomy. PubMed, EMBASE, and Web of Science databases were searched for all relevant articles regarding TLTG vs LATG for gastric cancer published up to October 1, 2019. Inclusion and exclusion criteria were established. All the basic conditions of patients and important clinical data related to surgery were extracted, and a meta-analysis was performed with RevMan 5.3 software. Eight studies involving a total of 1883 cases (869 cases in the TLTG group and 1014 cases in the LATG group) were included. Compared with the LATG group, reduced intraoperative blood loss (weighted mean difference = -35.37, 95%CI: -61.69 - -9.06, P = 0.008) and a larger number of retrieved lymph nodes (weighted mean difference = 3.11, 95%CI: -2.60 - 12.00, P = 0.01) were found in the TLTG group. There were no significant differences in operating time, anastomotic time, tumor size, proximal resection margin length, postoperative pain score, time to first flatus, time to first oral intake, postoperative hospital stay, postoperative anastomosis-related complication rate and overall complication rate between the two groups (P > 0.05). Intracorporeal esophagojejunostomy is safe and feasible. TLTG has the advantages of being minimally invasive, reduced intraoperative blood loss and easier access to lymph nodes compared with LATG. Totally laparoscopic gastrectomy is likely to be the surgical trend for gastric cancer in the future.
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