Abstract
BackgroundRobotic gastrectomy (RG) is a new surgical method alternative for gastric cancer. However, few studies have evaluated the outcomes of RG for advanced gastric cancer (AGC). Thus, the aim of this study was to compare the short-and long-term outcomes of RG and laparoscopic gastrectomy (LG) with D2 lymph node dissection for AGC.Patients and methodsWe retrospectively evaluated 454 patients with AGC who underwent RG or LG with D2 lymph node dissection for AGC between August 2013 and March 2017. The short-and long-term outcomes were compared between the propensity score-matched groups.ResultsThe RG group was associated with longer operation time, less intraoperative blood loss, and higher hospital cost. Additionally, there was a tendency favoring RG in terms of number of harvested lymph nodes, time to first flatus, time to first start diet, and postoperative hospital stay, although the differences were not statistically significant. The overall postoperative complication rate was 13.4% and 11.6% in the RG and LG groups, respectively, with no significant difference (P=0.686). The 3-year overall survival and recurrence rates of the RG and LG groups were also comparable (78.6% vs 74.1%, P=0.483; 18.8% vs 21.4%, P=0.617; respectively).ConclusionRG with D2 lymph node dissection is safe and feasible for AGC in terms of both short- and long-term outcomes. High-volume randomized controlled trials with sufficient follow-up are needed to confirm this rationale.
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