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Updated: Dec 5, 2025

A Simplified Model for Heterotopic Heart Valve Transplantation in Rodents
Published on: September 21, 2021
ABO-incompatible heart transplantation in children-a systematic review of current practice
Arun Beeman1, Nagarajan Muthialu1
1Department of Cardiothoracic Surgery, Great Ormond Street Hospital for Children, WC1N 3JH, London, UK.
Insights
ABO-incompatible pediatric heart transplants improve survival for children with heart conditions. Optimizing donor organ management makes these transplants a viable option, reducing waiting list deaths.
Area of Science:
- Pediatric Cardiology
- Transplantation Immunology
Background:
- Pediatric heart transplantation offers improved survival for children with cardiomyopathy and complex congenital heart defects.
- Increasing demand for pediatric organs strains waiting lists, highlighting the need for expanded donor options.
Purpose of the Study:
- To evaluate the effectiveness of ABO-incompatible pediatric heart transplantation.
- To explore strategies for improving outcomes in this patient population.
Main Methods:
- Modification of donor organ perfusion techniques.
- Specific management protocols for ABO-incompatible donor organs.
- Analysis of outcomes in pediatric heart transplant recipients.
Main Results:
- ABO-incompatible transplantation has significantly reduced waiting list mortality.
- Optimized donor organ management and perfusion improve outcomes in select pediatric recipients.
- This approach expands the donor pool without compromising results.
Conclusions:
- ABO-incompatible pediatric heart transplantation is a crucial advancement.
- It offers a viable option to address organ shortages and reduce mortality.
- Careful organ management is key to successful outcomes in these cases.
Abstract:
Pediatric heart transplantation has significantly improved in the survival of children with cardiomyopathy and/or complex congenital heart defects. With the increasing number of children needing transplantation, there is a growing demand for the organ, making it harder to cope with the increasing number of children on the waiting list. One of the advances that helped reduce the waiting list mortality significantly is the ability to transplant children from donors with ABO incompatibility. Modification of perfusion abilities and management of donor organ improves outcome in this select population, making ABO-incompatible transplantation an attractive option in the wider armamentarium available for pushing boundaries in these children without impacting on outcomes.

