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Long-term outcomes of laparoscopic versus open liver resection for intrahepatic combined hepatocellular: Cholangiocarcinoma with propensity score matching

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Issue Date
2022-01
Publisher
Wiley-Blackwell
Citation
Annals of Gastroenterological Surgery
Abstract
© 2022 The Authors. Annals of Gastroenterological Surgery published by John Wiley & Sons Australia, Ltd on behalf of The Japanese Society of Gastroenterological Surgery.Background: Combined hepatocellular-cholangiocarcinoma (cHCC-CCA) is a rare primary hepatic neoplasm. Currently, there are no well-structured studies that analyze the feasibility of laparoscopic liver resection in cHCC-CCA alone. This retrospective cohort study aimed to compare the long-term survival of laparoscopic liver resection with open liver resection in cHCC-CCA. Methods: Patients with a postoperative pathologic report of cHCC-CCA who underwent liver resection from August 2004 to December 2017 were included in this study. Kaplan–Meier survival analysis was performed to analyze the 3-y disease-free survival and 3-y overall survival. Propensity score matching was done to reduce the influence of confounding variables. Results: A total of 145 patients were pathologically confirmed to have cHCC-CCA, of which 10 patients were excluded due to having received palliative surgery. Of the remaining 135 patients, 43 underwent laparoscopic and 92 underwent open liver resection; propensity score matching yielded 30 patients for each group. The 3-y overall survival was 38 (88.4%) in the laparoscopic group and 84 (91.3%) in the open group before propensity score matching (P =.678), and 25 (83.3%) and 28 (93.3%), respectively, after matching (P =.257). The 3-y disease-free survival was 24 (55.8%) in the laparoscopic group and 32 (34.8%) in the open group before matching (P =.040), and 17 (56.7%) and 16 (53.3%), respectively, after matching (P =.958). The hospital stay was shorter in the laparoscopic group before and after matching, while other operative outcomes were similar in both groups. Conclusion: Laparoscopic liver resection for cHCC-CCA is technically feasible and safe, having a shorter hospital stay without compromising oncological outcomes.
ISSN
2475-0328
URI
https://hdl.handle.net/10371/183898
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Biomedical Sciences (대학원 의과학과)Journal Papers (저널논문_의과학과)
College of Medicine/School of Medicine (의과대학/대학원)Dept. of Biomedical Sciences (대학원 의과학과)Journal Papers (저널논문_의과학과)
College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)Journal Papers (저널논문_의학과)
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