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Survival benefit of living-donor liver transplantation in patients with a model for end-stage liver disease over 30 in a region with severe organ shortage: a retrospective cohort study

Authors
 Seung Hyuk Yim  ;  Deok Gie Kim  ;  Minyu Kang  ;  Hwa Hee Koh  ;  Mun Chae Choi  ;  Eun Ki Min  ;  Jae Geun Lee  ;  Myoung Soo Kim  ;  Dong Jin Joo 
Citation
 INTERNATIONAL JOURNAL OF SURGERY, Vol.109(11) : 3459-3466, 2023-11 
Journal Title
INTERNATIONAL JOURNAL OF SURGERY
ISSN
 1743-9191 
Issue Date
2023-11
MeSH
End Stage Liver Disease* / etiology ; End Stage Liver Disease* / surgery ; Humans ; Liver Transplantation* / adverse effects ; Living Donors ; Retrospective Studies ; Severity of Illness Index ; Tissue and Organ Procurement* ; Treatment Outcome
Abstract
Background: The benefits of living-donor liver transplantation (LDLT) in patients with a high Model for End-stage Liver Disease (MELD) score (who have high waitlist mortality) are unclear. Regional availability of deceased-donor organs must be considered when evaluating LDLT benefits. The authors aimed to compare the survival benefit of intended-LDLT to awaiting deceased-donor liver transplantation (DDLT) in patients with a MELD score greater than or equal to 30 in a region with severe organ shortage.

Materials and methods: This retrospective review included 649 patients with a MELD score greater than or equal to 30 placed on the liver transplantation waitlist. They were divided into intended-LDLT ( n =205) or waiting-DDLT ( n =444) groups based on living-donor eligibility and compared for patient survival from the time of waitlisting. Post-transplantation outcomes of transplant recipients and living donors were analyzed.

Results: Intended-LDLT patients had higher 1-year survival than waiting-DDLT patients (53.7 vs. 28.8%, P <0.001). LDLT was independently associated with lower mortality [hazard ratio (HR), 0.62; 95% CI, 0.48-0.79; P <0.001]. During follow-up, 25 patients were de-listed, 120 underwent LDLT, 170 underwent DDLT, and 334 remained on the waitlist. Among patients undergoing transplantation, the risk of post-transplantation mortality was similar for LDLT and DDLT after adjusting for pretransplantation MELD score (HR, 1.86; 95% CI, 0.73-4.75; P =0.193), despite increased surgical complications after LDLT (33.1 vs. 19.4%, P =0.013). There was no mortality among living-donors, but 4.2% experienced complications of grade 3 or higher.

Conclusions: Compared to awaiting DDLT, LDLT offers survival benefits for patients with a MELD score greater than or equal to 30, while maintaining acceptable donor outcomes. LDLT is a feasible treatment for patients with a MELD score greater than or equal to 30 in regions with severe organ shortages.
Files in This Item:
T202306770.pdf Download
DOI
10.1097/js9.0000000000000634
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Minyu(강민유)
Koh, Hwa-Hee(고화희)
Kim, Deok Gie(김덕기)
Kim, Myoung Soo(김명수) ORCID logo https://orcid.org/0000-0002-8975-8381
Min, Eun-Ki(민은기)
Lee, Jae Geun(이재근) ORCID logo https://orcid.org/0000-0002-6722-0257
Yim, Seung Hyuk(임승혁) ORCID logo https://orcid.org/0000-0003-2146-3592
Joo, Dong Jin(주동진) ORCID logo https://orcid.org/0000-0001-8405-1531
Choi, Mun Chae(최문채)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/197405
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