• So Hyun Kang, Eunju Lee, Sangjun Lee, Young Suk Park, Sang-Hoon Ahn, ParkDo JoongDJthe Department of Surgery, Seoul National University College of Medicine, Seoul, Korea (Ahn, Park, Kim).the Department of Surgery, Seoul National University Hospital, Seoul, Korea (Park)., and Hyung-Ho Kim.
• From the Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea (Kang, E. Lee, S. Lee, Suk Park, Ahn, Kim).
• J. Am. Coll. Surg. 2022 Mar 1; 234 (3): 340351340-351.

BackgroundSingle-incision laparoscopic surgery is gaining more attention due to advancements in surgical devices and techniques. Ten years have passed since the first report of single-incision distal gastrectomy. This study aims to analyze the long-term oncological safety of single-incision distal gastrectomy by comparing it with multiport distal gastrectomy.Study DesignPatients diagnosed with gastric cancer who underwent laparoscopic distal gastrectomy from January 2010 to December 2017 were enrolled. Palliative surgery, history of other malignancy, preoperative chemotherapy, and distant metastasis were excluded. The 5-year overall survival and 5-year disease-free survival were set as coprimary endpoints. Operative time, blood loss, postoperative outcome, and risk factors for survival were secondary endpoints. Propensity score matching of 1:1 ratio was performed to adjust for age, sex, body mass index, comorbidities, tumor size, operation history, and clinical stage.ResultsA total of 3,097 patients were enrolled. After propensity score matching, 378 patients were allocated to each group. There was no difference in patient demographics after matching. Operation time was faster (170.8 ± 65.3 minutes vs 147.2 ± 44.1 minutes, p < 0.001), with less blood loss in the single-port group (84.1 ± 87.6 mL vs 34.9 ± 49.9 mL, p < 0.001). Administration of additional intravenous analgesics was less frequent in the single-port group (p = 0.043). There was no difference in long-term survival (5-year overall survival: multiport 94.2%, single-port 95.8%, p = 0.43; 5-year disease-free survival: multiport 94.1%, single-port 95.8%, p = 0.32).ConclusionsSingle-incision distal gastrectomy is safe and feasible with good long-term outcomes and less use of additional analgesics for patients diagnosed with early gastric cancer.Copyright © 2022 by the American College of Surgeons. Published by Wolters Kluwer Health, Inc. All rights reserved.

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