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Comparison of surgical outcomes and learning curve for robotic versus laparoscopic living donor hepatectomy: A retrospective cohort study

Authors
 Na Reum Kim  ;  Dai Hoon Han  ;  Gi Hong Choi  ;  Jae Geun Lee  ;  Dong Jin Joo  ;  Myoung Soo Kim  ;  Jin Sub Choi 
Citation
 INTERNATIONAL JOURNAL OF SURGERY, Vol.108 : 107000, 2022-12 
Journal Title
INTERNATIONAL JOURNAL OF SURGERY
ISSN
 1743-9191 
Issue Date
2022-12
MeSH
Hepatectomy / adverse effects ; Hepatectomy / methods ; Humans ; Laparoscopy* / adverse effects ; Laparoscopy* / methods ; Learning Curve ; Length of Stay ; Liver ; Liver Transplantation* / adverse effects ; Liver Transplantation* / methods ; Living Donors ; Operative Time ; Retrospective Studies ; Robotic Surgical Procedures* / adverse effects ; Robotic Surgical Procedures* / methods ; Treatment Outcome
Keywords
Donor hepatectomy ; Laparoscopic ; Learning curve ; Living donor ; Robotic ; Surgical outcomes
Abstract
Background: Both laparoscopic living donor right hemihepatectomy (LLDRH) and robotic living donor right hemihepatectomy (RLDRH) have been developed for minimally invasive donor hepatectomy (MIDH), although comparative analysis between the two surgical modalities is lacking. This study aims to compare surgical outcomes of LLDRH and RLDRH at a single institution.

Materials and methods: From March 2016 to March 2022, 171 patients who underwent MILH of right liver were enrolled and divided into RLDRH and LLDRH. Two surgeons with experience in both techniques performed all procedures. Clinical characteristics, perioperative outcomes of donor and recipient, and donor anatomic variations were compared between both groups, and learning curves were estimated. Subgroup analysis was also performed, including only donors recruited after 2019, when LLDRH was initiated at our institution.

Results: RLDRH and LLDRH were performed for 102 and 69 patients, respectively. Operative time was significantly longer for RLDRH than LLDRH (464 vs. 407 min, P < 0.001), although estimated blood loss was lower in RLDRH (104 vs. 238 mL, P = 0.002). Incidence of major complications was similar in both groups. After 2019, significantly more RLDRH vs. LLDRH patients had variation in the hepatic artery (14.3% vs. 2.9%, P = 0.020) and portal vein (16.1% vs. 4.3%, P = 0.027). Learning curve for RLDRH was stabilized after approximately the 16th case, whereas that of LLDRH stabilized immediately.

Conclusion: RLDRH resulted in less intraoperative bleeding and comparable postoperative outcomes than LLDRH. Moreover, since 2019, RLDRH has been employed more frequently for donors with hilar structure anatomic variations. Based on our single-center experience, we propose that standardized procedures for RLDRH might help set up pure minimally invasive procedures for donor hepatectomy and facilitate safe implementation of laparoscopic approaches.
Full Text
https://www.clinicalkey.com/#!/content/playContent/1-s2.0-S1743919122007774
DOI
10.1016/j.ijsu.2022.107000
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Na Reum(김나름)
Kim, Myoung Soo(김명수) ORCID logo https://orcid.org/0000-0002-8975-8381
Lee, Jae Geun(이재근) ORCID logo https://orcid.org/0000-0002-6722-0257
Joo, Dong Jin(주동진) ORCID logo https://orcid.org/0000-0001-8405-1531
Choi, Gi Hong(최기홍) ORCID logo https://orcid.org/0000-0002-1593-3773
Choi, Jin Sub(최진섭)
Han, Dai Hoon(한대훈) ORCID logo https://orcid.org/0000-0003-2787-7876
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/193316
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