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Updated: May 22, 2026

A High-Fidelity Porcine Model of Orthotopic Heart Transplantation Following Donation after Circulatory Death
Published on: June 6, 2025
Solid organ donation in a child after extracorporeal membrane oxygenation, orthotopic heart transplantation, and
Punkaj Gupta1, Carlos Blanco, Melissa Madigan
1Division of Pediatric Cardiology, Department of Pediatrics, University of Arkansas Medical Center, Little Rock, Arkansas, USA. pgupta2@uams.edu
Insights
Utilizing high-risk organ donors can increase organ availability, reducing wait times for transplants. This approach helps manage complications associated with prolonged mechanical support for patients awaiting organ transplantation.
Area of Science:
- Transplantation immunology
- Organ donor management
- Medical ethics in transplantation
Background:
- The organ transplant waiting list significantly exceeds the number of available organs.
- High-risk or marginal donors represent a potential solution to increase organ supply.
- Understanding the survival outcomes associated with using expanded donor criteria is crucial.
Observation:
- A pediatric case involving a solid organ donation after the recipient underwent two heart transplants.
- The recipient's prior medical history included successful use of extracorporeal membrane oxygenation (ECMO) and a ventricular assist device (VAD).
Findings:
- The use of marginal donors can shorten organ transplant waiting list times.
- This strategy may reduce the morbidity and mortality linked to long-term mechanical circulatory support.
- Successful organ donation from a complex pediatric case demonstrates the feasibility of expanding donor criteria.
Implications:
- Expanding the definition of acceptable organ donors is a viable short-term strategy to address organ shortages.
- Further research is needed to fully elucidate the long-term survival impact of utilizing organs from high-risk donors.
- This approach can potentially improve patient outcomes by reducing time on mechanical support and waiting lists.
Abstract:
Use of high-risk or marginal donors is the most viable short-term means to boost the organ supply and bridge the widening gap between the number of patients on the waiting list for organ transplantation and the insufficient numbers of organ donors. Expansion of the donor pool requires an understanding of the impact on survival likely to result from extending one or more high risk factors. Use of extended donor pool results in shorter waiting list times and limits the morbidity and mortality associated with long-term mechanical support needed to support diseased organs. In this report, we present one such example of expanding donor pool in which a pediatric patient donated a solid organ after two heart transplants and successful use of ECMO and VAD.
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