Achieving zero waitlist mortality for children on the pediatric liver transplant waitlist

Elizabeth King1, Carolyn Reuland1, Bhargava Mullapudi2

  • 1Department of Surgery, Johns Hopkins University Hospital, Baltimore, Maryland, USA.

Insights

Pediatric liver transplant waitlists are dangerous for children. Promoting living donor liver transplantation (LDLT) and mandatory liver-splitting policies can save lives and increase organ availability for pediatric patients.

Area of Science:

  • Pediatric Hepatology
  • Transplantation Surgery
  • Public Health Policy

Background:

  • Children with end-stage liver disease face high waitlist mortality, especially infants under one year.
  • Pediatric liver transplant candidates receive fewer organ offers and experience longer wait times than adults, impacting development.
  • Current strategies to increase organ availability for children have been insufficient.

Purpose of the Study:

  • To recommend strategies for increasing liver organ availability and reducing waitlist mortality in pediatric patients.
  • To advocate for increased utilization of living donor liver transplantation (LDLT) and mandatory liver-splitting policies.
  • To highlight the potential of split-liver grafts to improve outcomes and reduce waitlist times.

Main Methods:

  • Review of current pediatric liver transplantation statistics in the US and international comparisons (e.g., Canada, UK).
  • Analysis of the underutilization of living donor liver transplantation (LDLT) and split-liver grafts in the US.
  • Examination of outcomes for split-liver versus whole-liver grafts in pediatric and adult populations.

Main Results:

  • Living donor liver transplantation (LDLT) accounts for only 14.6% of pediatric transplants in the US, significantly lower than in Canada (46.2%).
  • Fewer than 5% of potentially splitable livers are used for split-liver transplantation in the US, while over 65% are used in the UK.
  • Outcomes for split-liver and whole-liver grafts are comparable in both pediatric and adult recipients.

Conclusions:

  • Increased utilization of LDLT and adoption of mandatory liver-splitting policies are recommended to safeguard children awaiting liver transplants.
  • These strategies could significantly decrease pediatric waitlist mortality and increase the number of liver transplants performed.
  • Implementing a center-based allocation system can further support these goals by reducing cold ischemia time and enhancing liver availability.

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