Clinical advantage of standardized robotic total gastrectomy for gastric cancer: a single-center retrospective cohort study using propensity-score matching analysis

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Abstract

Background: Although recent studies have shown that robotic gastrectomy offers clinical advantages over laparoscopic gastrectomy in decreasing gastric cancer (GC) morbidity, studies focusing on robotic total gastrectomy (RTG) remain limited. The current study aimed to clarify whether the use of a robotic system could clinically improve short-term outcomes. Methods: Between January 2009 and June 2021, 371 patients diagnosed with both clinical and pathological Stage III or lower GC and underwent RTG or laparoscopic total gastrectomy (LTG) were enrolled in this study. The primary outcome was the incidence of intra-abdominal infectious complications over Clavien–Dindo classification grade IIIa. Demographic characteristics of those who underwent the RTG and LTG were matched using propensity-score matching (PSM), after which short-term outcomes were compared retrospectively. Results: After PSM, 100 patients were included in each group. The RTG group had a significantly shorter duration of hospitalization following surgery [RTG 13 (11–16) days vs. LTG 14 (11–19) days; p = 0.032] and a greater number of dissected LNs [RTG 48 (39–59) vs. LTG 43 (35–54) mL; p = 0.025], despite having a greater total operative time [RTG 511 (450–646) min vs. LTG 448 (387–549) min; p < 0.001]. In addition, the RTG group had significantly fewer total complications (3% vs. 13%, p = 0.019) and intra-abdominal infectious complications (1% vs. 9%; p = 0.023). Conclusions: The current study showed that robotic surgery might improve short-term outcomes following minimally invasive radical total gastrectomy by reducing intra-abdominal infectious complications.

Original languageEnglish
Pages (from-to)804-816
Number of pages13
JournalGastric Cancer
Volume25
Issue number4
DOIs
Publication statusPublished - 07-2022

All Science Journal Classification (ASJC) codes

  • Oncology
  • Gastroenterology
  • Cancer Research

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