• Br J Surg · Jan 2024

    Multicenter Study

    Long-term oncological outcomes of robotic versus laparoscopic gastrectomy for gastric cancer: multicentre cohort study.

    • Zheng-Yan Li, Bo Wei, Yan-Bing Zhou, Tai-Yuan Li, Ji-Peng Li, Zhi-Wei Zhou, Jun-Jun She, Xin-Gan Qin, Jian-Kun Hu, Yong-Xiang Li, Feng Qian, Yan Shi, Hao Cui, Yu-Long Tian, Geng-Mei Gao, Rui-Zi Gao, Cheng-Cai Liang, Fei-Yu Shi, Li-Jun Yu, Kun Yang, Shang-Xin Zhang, Pei-Wu Yu, and Yong-Liang Zhao.
    • Department of General Surgery, Centre for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, Chongqing, China.
    • Br J Surg. 2024 Jan 3; 111 (1).

    BackgroundThe aim of this multicentre cohort study was to compare the long-term oncological outcomes of robotic gastrectomy (RG) and laparoscopic gastrectomy (LG) for patients with gastric cancer.MethodsPatients with gastric cancer who underwent radical gastrectomy by robotic or laparoscopic approaches from 1 March 2010 to 31 December 2018 at 10 high-volume centres in China were selected from institutional databases. Patients receiving RG were matched 1 : 1 by propensity score with patients undergoing LG. The primary outcome was 3-year disease-free survival. Secondary outcomes were overall survival and disease recurrence.ResultsSome 2055 patients who underwent RG and 4309 patients who had LG were included. The propensity score-matched cohort comprised 2026 RGs and 2026 LGs. Median follow-up was 41 (i.q.r. 39-58) months for the RG group and 39 (38-56) months for the LG group. The 3-year disease-free survival rates were 80.8% in the RG group and 79.5% in the LG group (log rank P = 0.240; HR 0.92, 95% c.i. 0.80 to 1.06; P = 0.242). Three-year OS rates were 83.9 and 81.8% respectively (log rank P = 0.068; HR 0.87, 0.75 to 1.01; P = 0.068) and the cumulative incidence of recurrence over 3 years was 19.3% versus 20.8% (HR 0.95, 0.88 to 1.03; P = 0.219), with no difference between groups.ConclusionRG and LG in patients with gastric cancer are associated with comparable disease-free and overall survival.© The Author(s) 2024. Published by Oxford University Press on behalf of BJS Foundation Ltd. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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