Abstract
Background
Previous retrospective studies have shown that laparoscopic spleen-preserving D2 total gastrectomy (LSTG) for advanced upper third gastric cancer (AUTGC) is safe. However, all previous studies were underpowered. We therefore conducted a prospective, multicenter study to evaluate the technical safety and feasibility of LSTG for patients with AUTGC.
Methods
Patients diagnosed with AUTGC (cT2-4a, N−/+, M0) underwent LSTG at 19 institutions between September 2016 and October 2017 were included. The number of No. 10 lymph node (LN) dissections, metastasis rates, intraoperative and postoperative complications were investigated.
Results
A total of 251 patients were enrolled in the study, and 242 patients were eligible for the per protocol analysis. The average numbers of No. 10 LN dissections and metastases were 2.4 and 0.1, respectively. Eighteen patients (7.4%) had No. 10 LN metastases, and among patients with advanced gastric cancer, the rate of No. 10 LN metastasis was 8.1% (18/223). pN3 status was an independent risk factor for No. 10 LN metastasis. Intraoperative complications occurred in 7 patients, but no patients required conversion to open surgery or splenectomy. The overall postoperative complication rate was 13.6% (33/242). The major complication and mortality rates were 3.3% (8/242) and 0.4% (1/242), respectively. The number of retrieved No. 10 LNs, No. 10 LN metastasis and TNM stage had no significant influence on postoperative complication rates.
Conclusion
LSTG for AUTGC was safe and effective when performed by very experienced surgeons, this technique could be used in patients who needed splenic hilar lymph node dissection.
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Acknowledgements
The study was sponsored by the Scientific and technological innovation joint capital projects of Fujian Province (2016Y9031, 2017Y9011); Construction Project of Fujian Province Minimally Invasive Medical Center (No. [2017]171); The second batch of special support funds for Fujian Province innovation and entrepreneurship talents (2016B013); Chinese physicians association young physician respiratory research fund of Fujian province medical innovation project (2015-CXB-16).
Funding
The study was sponsored by the Scientific and technological innovation joint capital projects of Fujian Province (2016Y9031, 2017Y9011); Construction Project of Fujian Province Minimally Invasive Medical Center (No.[2017]171); The second batch of special support funds for Fujian Province innovation and entrepreneurship talents (2016B013); Chinese physicians association young physician respiratory research fund of Fujian province medical innovation project (2015-CXB-16).
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CMH, CHZ, and PL designed the study. JL, PL, CHZ, and CMH wrote the first draft of the manuscript. YCX, GZ, LSC, GXL, ZKX, SY, ZGW, FQX, YHS, DPX, WBZ, JW, PWY, JKH, XQS, JFJ, ZYL, JY, YL, and LF critically evaluated, improved the study design and manuscript, and shared the responsibility for the final manuscript and the decision to submit. All of the authors were responsible for data collection and evaluation and approval of the manuscript.
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Drs. Chang-Ming Huang, Chao-Hui Zheng, Ping-Li, Jun-Lu, Yan-Chang Xu, Gang Zhao, Li-Sheng Cai, Guo-Xin Li, Ze-Kuan Xu, Su Yan, Zu-Guang Wu, Fang-Qin Xue, Yi-Hong Sun, Dong-Bo Xu, Wen-Bin Zhang, Jin-Wan, Pei-Wu Yu, Jian-Kun Hu, Xiang-Qian Su, Jia-Fu Ji, Zi-Yu Li, Jun You, Yong Li, and Lin-Fan have no conflicts of interest or financial ties to disclose.
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Supplementary material 4 Supplementary Fig. 3 Comparison with other studies about spleen-preserving total gastrectomy (TIFF 745 kb)
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Supplementary material 5 Supplementary Fig. 4 Using Chi square test to compare with other studies about spleen-preserving total gastrectomy (TIFF 1076 kb)
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Zheng, CH., Xu, YC., Zhao, G. et al. Safety and feasibility of laparoscopic spleen-preserving No. 10 lymph node dissection for locally advanced upper third gastric cancer: a prospective, multicenter clinical trial. Surg Endosc 34, 5062–5073 (2020). https://doi.org/10.1007/s00464-019-07306-8
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DOI: https://doi.org/10.1007/s00464-019-07306-8