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Pure Laparoscopic versus Open Right Hepatectomy in Living Liver Donors (Graft Weight Discrepancy)

J. Seo1, S. Hong1, S. Lee2, S. Suh2, S. Hong1, E. Han1, Y. Choi2, N. Yi2, K. Lee3, K. Suh1

1Surgery, Seoul National University College of Medicine, Seoul, Korea, Republic of, 2Seoul National University College of Medicine, Seoul, Korea, Republic of, 3Seoul National University, Seoul, Korea, Republic of

Meeting: 2022 American Transplant Congress

Abstract number: 1774

Keywords: Laparoscopy, Liver transplantation, Living-related liver donors

Topic: Clinical Science » Liver » 58 - Liver: Living Donor Liver Transplant and Partial Grafts

Session Information

Session Name: Liver: Living Donor Liver Transplant and Partial Grafts

Session Type: Poster Abstract

Date: Tuesday, June 7, 2022

Session Time: 7:00pm-8:00pm

 Presentation Time: 7:00pm-8:00pm

Location: Hynes Halls C & D

*Purpose: The studies of volumetric evaluation in pure laparoscopic donor hepatectomy (PLDH) are relatively less known than that of conventional donor hepatectomy. The aim of this study was to analyze the difference between estimated graft weight (EGW) and actual graft weight (AGW) in pure laparoscopic donor right hepatectomy (PLDRH) and compare the correlation of EGW and AGW with conventional donor right hepatectomy (CDRH).

*Methods: The medical records of 612 donors who underwent living donor liver transplantation between January 2014 and December 2020 at Seoul National University Hospital were retrospectively reviewed. Donors who underwent right hepatectomy were included. The CDRH group targeted patients from January 2012 to October 2015, and the PLDRH group targeted patients from March 2016 to December 2020.

*Results: There were 119 donors who underwent CDRH and 376 donors who underwent PLDRH. Although there was no significant difference between CDRH and PLDRH group for EGW (792.3± 169.9 g versus 792.2± 171.3 g; P=0.994) and AGW (712.5± 142.0 g versus 722.9± 138.5 g; P=0.489), EGW was significantly higher than AGW in both CDRH (790.5± 170.5 g versus 715.1± 141.6 g; P<0.001) and PLDRH (792.7± 171.2 g versus 722.9± 138.5 g; P<0.001) group. However, EGW and AGW showed linear correlation in both CDRH (r=0.81, P<0.001) and PLDRH (r=0.76, P<0.001) group, with CDRH group closer to linearity.

*Conclusions: The estimations of graft weight were not very different in PLDRH group compared to CDRH group. However, since AGW tends to be measured smaller in PLDRH group, it should be considered before surgery.

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To cite this abstract in AMA style:

Seo J, Hong S, Lee S, Suh S, Hong S, Han E, Choi Y, Yi N, Lee K, Suh K. Pure Laparoscopic versus Open Right Hepatectomy in Living Liver Donors (Graft Weight Discrepancy) [abstract]. Am J Transplant. 2022; 22 (suppl 3). https://atcmeetingabstracts.com/abstract/pure-laparoscopic-versus-open-right-hepatectomy-in-living-liver-donors-graft-weight-discrepancy/. Accessed May 30, 2025.

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