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Long-term survival outcomes of robotic total gastrectomy for locally advanced proximal gastric cancer: a prospective study.
International Journal of Surgery 2024 March 29
BACKGROUND: Robotic gastrectomy is a safe and feasible approach for gastric cancer (GC); however, its long-term oncological efficacy remains unclear. We evaluated the long-term survival outcomes and recurrence patterns of patients with locally advanced proximal GC who underwent robotic total gastrectomy (RTG).
METHODS: This prospective study (FUGES-014 study) enrolled 48 patients with locally advanced proximal GC who underwent RTG between March 2018 and February 2020 at a tertiary referral teaching hospital. Patients who underwent laparoscopic total gastrectomy (LTG) in the FUGES-002 study were enrolled in a 2:1 ratio to compare the survival outcomes between RTG and LTG. The primary endpoint of the FUGES-014 study was postoperative 30-day morbidity and has been previously reported. Here we reported the results of 3-year disease-free survival (DFS), 3-year overall survival (OS), and recurrence patterns.
RESULTS: After propensity score matching, 48 patients in the RTG and 96 patients in the LTG groups were included. The 3-year DFS rates were 77.1% (95% confidence interval [CI] 66.1-89.9%) for the RTG and 68.8% (95% CI 60.1-78.7%) for the LTG groups ( P =0.261). The 3-year OS rates were not significantly different between the groups (85.4% vs. 74.0%, P =0.122). Recurrence occurred in nine patients (18.8%) in the RTG and 27 (28.1%) patients in the LTG groups ( P =0.234). Recurrence patterns and causes of death were similar between the groups ( P >0.05).
CONCLUSIONS: The oncological outcome of RTG was non-inferior to that of LTG. Thus, RTG might be an alternative surgical treatment for locally advanced proximal GC.
METHODS: This prospective study (FUGES-014 study) enrolled 48 patients with locally advanced proximal GC who underwent RTG between March 2018 and February 2020 at a tertiary referral teaching hospital. Patients who underwent laparoscopic total gastrectomy (LTG) in the FUGES-002 study were enrolled in a 2:1 ratio to compare the survival outcomes between RTG and LTG. The primary endpoint of the FUGES-014 study was postoperative 30-day morbidity and has been previously reported. Here we reported the results of 3-year disease-free survival (DFS), 3-year overall survival (OS), and recurrence patterns.
RESULTS: After propensity score matching, 48 patients in the RTG and 96 patients in the LTG groups were included. The 3-year DFS rates were 77.1% (95% confidence interval [CI] 66.1-89.9%) for the RTG and 68.8% (95% CI 60.1-78.7%) for the LTG groups ( P =0.261). The 3-year OS rates were not significantly different between the groups (85.4% vs. 74.0%, P =0.122). Recurrence occurred in nine patients (18.8%) in the RTG and 27 (28.1%) patients in the LTG groups ( P =0.234). Recurrence patterns and causes of death were similar between the groups ( P >0.05).
CONCLUSIONS: The oncological outcome of RTG was non-inferior to that of LTG. Thus, RTG might be an alternative surgical treatment for locally advanced proximal GC.
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