Considerations for patients awaiting heart transplantation-Insights from the UK experience

Area of Science:

• Cardiology
• Transplantation Medicine
• Medical Ethics

Background:

• The heart transplant waiting list has evolved, with an increasing number of patients supported by ventricular assist devices (VADs).
• Limited donor availability necessitates a re-evaluation of current heart transplant listing criteria.
• The survival benefit of heart transplantation for stable ambulatory heart failure patients requires further investigation.

Purpose of the Study:

• To address the need for effective models to predict heart transplant benefit in diverse patient groups.
• To explore criteria for prioritizing patients with VADs or adult congenital heart disease.
• To ensure fair allocation of scarce donor hearts to the sickest, most-benefiting recipients.

Main Methods:

• Review of current heart transplant waiting list demographics and patient profiles.
• Analysis of existing evidence on survival benefits for different heart failure patient categories.
• Conceptual framework development for prioritization models.

Main Results:

• Growing proportion of VAD patients on the heart transplant list.
• Uncertainty regarding optimal prioritization for stable VAD and adult congenital heart disease patients.
• Identification of a need for predictive models for transplant benefit.

Conclusions:

• Re-evaluation of heart transplant listing criteria is urgently needed due to changing patient demographics.
• Development of simple, effective models is essential for equitable allocation of donor hearts.
• Prioritization should focus on identifying patients with the greatest potential to benefit from transplantation.