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Comparing Post-Transplant Outcomes in Living and Deceased Donor Liver Transplantation for Patients with Hepatocellular Carcinoma: An Analysis of UNOS Registry

T. Kitajima1, D. Moonka2, S. Yeddula1, M. Rizzari1, K. Collins1, A. Yoshida1, M. S. Abouljoud1, S. Nagai1

1Transplant and Hepatobiliary Surgery, Henry Ford Hospital, Detroit, MI, 2Gastroenterology and Hepatology, Henry Ford Hospital, Detroit, MI

Meeting: 2020 American Transplant Congress

Abstract number: B-159

Keywords: Graft survival, Hepatocellular carcinoma, Liver transplantation, Living donor

Session Information

Session Name: Poster Session B: Liver: Living Donors and Partial Grafts

Session Type: Poster Session

Date: Saturday, May 30, 2020

Session Time: 3:15pm-4:00pm

 Presentation Time: 3:30pm-4:00pm

Location: Virtual

*Purpose: Because of possible short waiting time, living donor liver transplantation (LDLT) for HCC may provide survival benefit compared to deceased donor LT (DDLT). This study aimed to compare post-transplant outcomes in HCC patients between LDLT and DDLT.

*Methods: This study used data from UNOS registry and included adult patients listed for LT between 2009 and 2018. Patients who received DDLT with HCC MELD exception (DDLT group, n=13521) and those with HCC who underwent LDLT (LDLT group, n=247) were evaluated. Patients with combined organ transplant and re-transplantation were excluded. Patients who had LDLT in low-volume centers (<20 LDLTs during the study period) were excluded. Graft survival (GS) were compared between the DDLT and LDLT groups.

*Results: Recipient characteristics including PVT, previous surgical history, and MELD score were comparable. In LDLT, 163 (66%) were approved for HCC MELD exception in waitlist. 30-day (97.1% vs 92.6%; p<0.001) and 1-year GS (90.9% vs. 86.4%; p=0.011) were significantly worse in LDLT. Vascular thrombosis (0.7% vs. 2.0%; p=0.026) and HAT (0.4% vs. 2.0%; p=0.004) as a reason for graft loss were more frequently observed in LDLT. Adjusted risk for graft loss was significantly higher in LDLT (30-day; HR 2.96; p<0.001, 1-year; 1.78; p<0.001, Figure 1).

*Conclusions: LDLT showed inferior short-term LT outcomes to DDLT in patients with HCC. Significantly higher risk of 30-day graft loss in LDLT was attributable to vascular complications. When patients are qualified for HCC MELD exception, it may be better to wait for a transplant opportunity using a deceased donor.

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To cite this abstract in AMA style:

Kitajima T, Moonka D, Yeddula S, Rizzari M, Collins K, Yoshida A, Abouljoud MS, Nagai S. Comparing Post-Transplant Outcomes in Living and Deceased Donor Liver Transplantation for Patients with Hepatocellular Carcinoma: An Analysis of UNOS Registry [abstract]. Am J Transplant. 2020; 20 (suppl 3). https://atcmeetingabstracts.com/abstract/comparing-post-transplant-outcomes-in-living-and-deceased-donor-liver-transplantation-for-patients-with-hepatocellular-carcinoma-an-analysis-of-unos-registry/. Accessed May 11, 2025.

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