Non-robotic minimally invasive gastrectomy as an independent risk factor for postoperative intra-abdominal infectious complications: A single-center, retrospective and propensity score-matched analysis

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Abstract

BACKGROUND Minimally invasive surgery for gastric cancer (GC) has gained widespread use as a safe curative procedure especially for early GC. AIM To determine risk factors for postoperative complications after minimally invasive gastrectomy for GC. METHODS Between January 2009 and June 2019, 1716 consecutive patients were referred to our division for primary GC. Among them, 1401 patients who were diagnosed with both clinical and pathological Stage III or lower GC and underwent robotic gastrectomy (RG) or laparoscopic gastrectomy (LG) were enrolled. Retrospective chart review and multivariate analysis were performed for identifying risk factors for postoperative morbidity. RESULTS Morbidity following minimally invasive gastrectomy was observed in 7.5% of the patients. Multivariate analyses demonstrated that non-robotic minimally invasive surgery, male gender, and an operative time of ≥ 360 min were significant independent risk factors for morbidity. Therefore, morbidity was compared between RG and LG. Accordingly, propensity-matched cohort analysis revealed that the RG group had significantly fewer intra-abdominal infectious complications than the LG group (2.5% vs 5.9%, respectively; P = 0.038), while no significant differences were noted for other local or systemic complications. Multivariate analyses of the propensity-matched cohort revealed that non-robotic minimally invasive surgery [odds ratio = 2.463 (1.070-5.682); P = 0.034] was a significant independent risk factor for intra-abdominal infectious complications. CONCLUSION The findings showed that robotic surgery might improve short-term outcomes following minimally invasive radical gastrectomy by reducing intra-abdominal infectious complications.

Original languageEnglish
Pages (from-to)1172-1184
Number of pages13
JournalWorld Journal of Gastroenterology
Volume26
Issue number11
DOIs
Publication statusPublished - 21-03-2020

All Science Journal Classification (ASJC) codes

  • Gastroenterology

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