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Comparison of long-term outcomes achieved with live donor and split deceased donor liver grafts in pediatric liver transplantation

Title: Comparison of long-term outcomes achieved with live donor and split deceased donor liver grafts in pediatric liver transplantation

Source: Pediatric Transplantation 2024, 28 (6): e14843

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Date of publication: September 2024  

Publication type: Retrospective single centre study 

Abstract: Background: The aim of the present study was to compare the outcomes of pediatric LT with left liver grafts, obtained either from a living donor (LD) or a split deceased donor (sDD).

Methods: Retrospective single-center study from 2002 to 2022. All pediatric LT with left liver grafts (not including middle hepatic vein) from LD or sDD were included. Reduced grafts were not included.

Results: A total of 112 pediatric LT were performed: 58 with LD grafts and 54 with sDD grafts (17 split ex situ and 37 in situ). Donor characteristics were similar, apart from donor age (33 years in LD vs. 30 years in sDD, p = 0.03). Indications were similar with 55% biliary atresia in each group. Retransplantation was more frequently performed in the sDD group (2% vs. 15%, p = 0.01). Recipient age, weight, and PELD score at transplant were not significantly different between groups. Cold ischemia time was longer for sDD (158 min in LD vs. 390 min in sDD; p < 0.0001). Posttransplant peak ALT was higher with sDD grafts (1470 vs. 1063, p = 0.018), and hospital stay was longer with sDD grafts (27 vs. 21 days, p = 0.005). However, there was no difference between groups in terms of major morbidity (Dindo-Clavien grade ≥3), vascular and biliary complications, and 90-day mortality. Patient survival at 10 years was 93.1% for LD and 92.8% for sDD (p = 0.807). Graft survival at 10 years was 89.7% for LD and 83.1% for sDD (p = 0.813).

Conclusions: Technically similar LD and sDD grafts achieve very similar postoperative and long-term outcomes with excellent patient and graft survival.

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