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Retransplantation of the liver in children
E Sieders1, P M Peeters, E M TenVergert
1Liver Transplant Group, University Hospital Groningen, The Netherlands.
Insights
Pediatric hepatic retransplantation shows inferior survival rates compared to initial liver transplants. Early retransplantation, biliary atresia, and technical graft issues significantly impact outcomes, with sepsis being a major cause of death.
Area of Science:
- Pediatric Hepatology
- Transplantation Surgery
- Gastroenterology
Background:
- Hepatic retransplantation outcomes are debated due to organ scarcity.
- Assessing pediatric retransplantation is crucial for improving patient survival.
Purpose of the Study:
- Analyze pediatric hepatic retransplantation outcomes.
- Identify risk factors affecting retransplantation success.
- Evaluate morbidity and mortality causes in pediatric retransplantation.
Main Methods:
- Comparative analysis of 97 single liver transplantations and 34 retransplantations in children.
- Statistical evaluation of survival rates and influencing factors.
Main Results:
- 1-, 3-, and 5-year survival rates for retransplantation were 70%, 63%, and 52% vs. 85%, 82%, and 78% for single transplants (P=0.009).
- Early retransplantation (within 1 month) showed significantly worse survival (P=0.007).
- Biliary atresia, high Child-Pugh score, older donor age, and technical graft variants were associated with decreased survival; sepsis was the leading cause of death.
Conclusions:
- Pediatric hepatic retransplantation survival is inferior to single transplantation.
- Early retransplantation contributes to poorer outcomes due to patient condition and graft factors.
- Improved strategies are needed for pediatric liver retransplantation, especially for high-risk cases.
Background:
Because of the poor outcome of hepatic retransplantation, it is still debated whether this procedure should be performed in an era of donor organ scarcity. The aim of this study was to analyze outcome of hepatic retransplantation in children, to identify risk factors influencing this outcome, and to assess morbidity and causes of death.
Methods:
A series of 97 children after a single transplantation and 34 children with one retransplantation was analyzed.
Results:
The 1-, 3-, and 5-year survival of children with a retransplantation was 70, 63, and 52%, respectively, compared with 85, 82, and 78%, respectively, for children after a single transplantation (P=0.009). Survival of children with a retransplantation within 1 month after primary transplantation was worse (P=0.007) and survival of children with a late retransplantation was comparable (P=0.66) with single transplantation. In early retransplantations, the Child-Pugh score was higher, donors were older and weighed more, and more technical variant liver grafts were used compared with single transplantations. Biliary atresia and a high Child-Pugh score were associated with decreased patient survival after retransplantation. Sepsis was the most important complication and cause of death after retransplantation.
Conclusions:
Retransplantation is a significant event after pediatric liver transplantation. Outcome after hepatic retransplantation in children is inferior compared with single transplantation. This difference is explained by low survival after early retransplantation and can be explained by the poor clinical condition of the children at time of retransplantation, especially in children with biliary atresia, and by the predominant use of technical variant liver grafts in retransplantations.