• GohBrian K PBKPDepartment of Hepatopancreatobiliary and Transplant Surgery,, Singapore General Hospital, National Cancer Centre Singapore and Duke-National University of Singapore Medical School, Singapore, Singapore., Ho-Seong Han, Kuo-Hsin Chen, Darren W Chua, Chung-Yip Chan, Federica Cipriani, Davit L Aghayan, Asmund A Fretland, Jasper Sijberden, Mizelle D'Silva, Tiing Foong Siow, Yutaro Kato, Chetana Lim, Phan Phuoc Nghia, Paulo Herman, Marco V Marino, Vincenzo Mazzaferro, Adrian K H Chiow, Iswanto Sucandy, Arpad Ivanecz, Sung Hoon Choi, Jae Hoon Lee, Mikel Gastaca, Marco Vivarelli, Felice Giuliante, Andrea Ruzzenente, Chee-Chien Yong, Mengqui Yin, Zewei Chen, Constantino Fondevila, Mikhail Efanov, Fernando Rotellar, Gi-Hong Choi, Ricardo R Campos, Xiaoying Wang, Robert P Sutcliffe, Johann Pratschke, Eric Lai, Charing C Chong, Mathieu D'Hondt, Kazuteru Monden, Santiago Lopez-Ben, Fabricio F Coelho, Thomas Peter Kingham, Rong Liu, Tran Cong Duy Long, Alessandro Ferrero, Giovanni B Levi Sandri, Mansour Saleh, Daniel Cherqui, Olivier Scatton, Olivier Soubrane, Go Wakabayashi, Roberto I Troisi, Tan-To Cheung, Atsushi Sugioka, HilalMohammad AbuMADepartment of Surgery, Poliambulanza Foundation Hospital, Brescia,Italy.Department of Surgery, University Hospital Southampton, Southampton, UK., David Fuks, Bjørn Edwin, Luca Aldrighetti, and International Robotic and Laparoscopic Liver Resection Study Group Investigators.
• Department of Hepatopancreatobiliary and Transplant Surgery,, Singapore General Hospital, National Cancer Centre Singapore and Duke-National University of Singapore Medical School, Singapore, Singapore.
• Ann. Surg. 2023 Apr 1; 277 (4): e839e848e839-e848.

ObjectiveTo establish global benchmark outcomes indicators after laparoscopic liver resections (L-LR).BackgroundThere is limited published data to date on the best achievable outcomes after L-LR.MethodsThis is a post hoc analysis of a multicenter database of 11,983 patients undergoing L-LR in 45 international centers in 4 continents between 2015 and 2020. Three specific procedures: left lateral sectionectomy (LLS), left hepatectomy (LH), and right hepatectomy (RH) were selected to represent the 3 difficulty levels of L-LR. Fifteen outcome indicators were selected to establish benchmark cutoffs.ResultsThere were 3519 L-LR (LLS, LH, RH) of which 1258 L-LR (40.6%) cases performed in 34 benchmark expert centers qualified as low-risk benchmark cases. These included 659 LLS (52.4%), 306 LH (24.3%), and 293 RH (23.3%). The benchmark outcomes established for operation time, open conversion rate, blood loss ≥500 mL, blood transfusion rate, postoperative morbidity, major morbidity, and 90-day mortality after LLS, LH, and RH were 209.5, 302, and 426 minutes; 2.1%, 13.4%, and 13.0%; 3.2%, 20%, and 47.1%; 0%, 7.1%, and 10.5%; 11.1%, 20%, and 50%; 0%, 7.1%, and 20%; and 0%, 0%, and 0%, respectively.ConclusionsThis study established the first global benchmark outcomes for L-LR in a large-scale international patient cohort. It provides an up-to-date reference regarding the "best achievable" results for L-LR for which centers adopting L-LR can use as a comparison to enable an objective assessment of performance gaps and learning curves.Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.

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