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Impact of the 2018 UNOS Heart Transplant Policy Changes on Patient Outcomes

Neil S Maitra1, Samuel J Dugger1, Isabel C Balachandran2

  • 1Baylor College of Medicine, Department of Medicine, Houston, Texas, USA.

JACC. Heart Failure
|March 9, 2023
PubMed

Insights

The 2018 United Network for Organ Sharing heart allocation policy improved heart transplant efficiency by better stratifying candidates. This led to significant shifts in practices and patient outcomes, warranting further review.

Area of Science:

  • Cardiology
  • Transplantation Medicine
  • Public Health Policy

Background:

  • The United Network for Organ Sharing (UNOS) revised its heart allocation policy in 2018, moving from a 3-tier to a 6-tier system.
  • This change was prompted by increasing numbers of critically ill heart transplant candidates and extended waitlist times.
  • The policy aimed to improve candidate stratification, reduce wait times for high-priority patients, and standardize criteria for common cardiac conditions.

Purpose of the Study:

  • To review emerging trends in US heart transplantation practices and patient outcomes after the 2018 UNOS policy implementation.
  • To analyze the impact of the new policy on various aspects of heart transplantation.
  • To identify areas for future policy modifications.

Main Methods:

  • Review of literature and data pertaining to heart transplantation in the United States post-2018.
  • Analysis of shifts in candidate listing practices, waitlist dynamics, and donor characteristics.
  • Evaluation of changes in post-transplantation outcomes and the use of mechanical circulatory support.

Main Results:

  • Significant changes observed in heart transplant practices, including listing patterns and waitlist mortality.
  • Alterations noted in donor heart characteristics and post-transplantation outcomes.
  • Shifts in the utilization of mechanical circulatory support devices.

Conclusions:

  • The 2018 UNOS heart allocation policy has led to notable changes in heart transplantation practices and patient outcomes.
  • Ongoing monitoring and analysis are crucial to understand the long-term effects of the policy.
  • Further modifications may be necessary to optimize the allocation of donor hearts and improve patient survival.

Keywords:
2018 allocation policyUnited Network for Organ Sharingheart transplantoutcome

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