Abstract 180P
Background
Surgical quality control is a crucial determinant of evaluating the tumor efficacy. To assess the ClassIntra grade for quality control and oncological outcomes of robotic radical surgery for gastric cancer (GC).
Methods
Data of patients undergoing robotic radical surgery for GC at a high-volume center were retrospectively analyzed. Patients were categorized into two groups, the iAE (intraoperative adverse event) group and the non-iAE group, based on the occurrence of intraoperative adverse events. Surgical performance was assessed using the Objective Structured Assessment of Technical Skill (OSATS) and the General Error Reporting Tool.
Results
This study included 366 patients (iAE group: n=72 [19.7%] and non-iAE group: n=294 [80.3%]). The proportion of ClassIntra grade II patients was the highest in the iAE group (54.2%). In total and distal gastrectomies, iAEs occurred most frequently in the suprapancreatic area (50.0% and 54.8%, respectively). In total gastrectomy, grade IV iAEs were most common during lymph node dissection in the splenic hilum area (once for bleeding [grade IV] and once for injury [grade IV]). The overall survival (OS) and disease-free survival of the non-iAE group were significantly better than those of the iAE group (Log rank P<0.001). Uni- and multi-variate analyses showed that iAEs were key prognostic indicators, independent of tumor stage and adjuvant chemotherapy (P<0.001).
Conclusions
iAEs in patients who underwent robotic radical gastrectomy significantly correlated with the occurrence of postoperative complications and a poor long-term prognosis. Therefore, utilization and inclusion of ClassIntra grading as a crucial surgical quality control and prognostic indicator in the routine surgical quality evaluation system are recommended.
Clinical trial identification
na
Editorial acknowledgement
This study was approved by the institutional review board (2023KY109).
Legal entity responsible for the study
This study was approved by the institutional review board (2023KY109).
Funding
Has not received any funding.
Disclosure
All authors have declared no conflicts of interest.
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