Defining a Willingness-to-transplant Threshold in an Era of Organ Scarcity: Simultaneous Liver-kidney Transplant as a

Xingxing S Cheng1, Jeremy Goldhaber-Fiebert2, Jane C Tan1

  • 1Division of Nephrology, Department of Medicine, Stanford University School of Medicine, Palo Alto, CA.

Transplantation
|May 21, 2019
PubMed
Abstract

Insights

Organ scarcity limits transplants. A new "willingness-to-transplant" metric balances transplant equity and utility, guiding allocation for simultaneous liver and kidney transplants and other multi-organ procedures.

Area of Science:

  • Transplantation medicine
  • Health economics
  • Bioethics

Background:

  • Organ scarcity remains a critical barrier in solid organ transplantation.
  • Advancements in managing end-stage organ disease increase demand for multi-organ transplants.
  • Current multi-organ transplant allocation prioritizes recipients, raising ethical concerns about equity and utility.

Purpose of the Study:

  • To examine the ethical tension between equity and utility in multi-organ transplant allocation.
  • To introduce a novel metric, the willingness-to-transplant (WTT) threshold, for evaluating organ allocation strategies.
  • To use simultaneous liver and kidney (SLK) transplantation as a case study.

Main Methods:

  • Adaptation of the health economics willingness-to-pay threshold to solid organ transplantation.
  • Development and application of the willingness-to-transplant (WTT) threshold.
  • Synthesis of utility and equity perspectives to evaluate SLK allocation strategies.

Main Results:

  • The WTT threshold provides a framework for evaluating multi-organ transplant allocation.
  • Demonstration of how the WTT threshold can assess different SLK allocation strategies.
  • Integration of utility and equity considerations into a unified metric.

Conclusions:

  • The WTT threshold simplifies SLK allocation decisions to a question of minimum required benefit from a donor organ.
  • This framework aids in developing rational allocation systems for SLK transplants.
  • The proposed framework is applicable to other multi-organ transplant scenarios.

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