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Adult Living Donor Versus Deceased Donor Liver Transplant (LDLT Versus DDLT) at a Single Center

Time to Change Our Paradigm for Liver Transplant

Humar, Abhinav MD*,⊠; Ganesh, Swaytha MD; Jorgensen, Dana PhD, MPH*; Tevar, Amit MD*; Ganoza, Armando MD*; Molinari, Michele MD*; Hughes, Christopher MD*

doi: 10.1097/SLA.0000000000003463

Objective: The aim of this study was to compare outcomes between living donor liver transplant (LDLT) and deceased donor liver transplant (DDLT) at a single center to demonstrate the advantages of LDLT and provide justification for the increased utilization and application of this procedure.

Summary of Background Data: LDLT comprises a very small percentage of all liver transplants performed in the United States, this despite its advantages and a shortage of the availability of deceased donor organs.

Methods: A retrospective review of all adult LDLT (n = 245) and DDLT (n = 592) performed at a single center over 10 years (2009–2019), comparing survival outcomes by Kaplan-Meier analysis and comparing other measures of outcome such as recovery times, complications, costs, and resource utilization.

Results: Patient survival outcomes were superior in LDLT recipients (3-year 86% vs 80%, P = 0.03). Other outcomes demonstrated shorter length of hospital stay (11 vs 13 days, P = 0.03), less likelihood of intraoperative blood transfusion (52% vs 78%, P < 0.01), and less likelihood of need for posttransplant dialysis (1.6% vs 7.4%, P < 0.01). Early reoperation and biliary/vascular complication rates were similar. Hospital costs related to the transplant were 29.5% lower for LDLT. Complications in living donors were acceptable with no early or late deaths, 3-month reoperation rate of 3.1%, and overall complication rate of 19.5%. Given its advantages, we have expanded LDLT—in 2018, LDLT comprised 53.6% of our transplants (national average 4.8%), and our transplant rate increased from 44.8 (rate per 100-person years) in 2015 to 87.5 in 2018.

Conclusions: LDLT offers advantages over DDLT including superior outcomes and less resource utilization. The time has come to change the paradigm of how LDLT is utilized in this country.

*Department of Surgery, Division of Transplantation, University of Pittsburgh, Pittsburgh, PA

Department of Medicine, University of Pittsburgh, Pittsburgh, PA.

The authors report no conflicts of interest.

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