Impact of the 2018 Allocation Criteria Change on Outcomes Following Cardiac Retransplantation Within 30 Days: Analysis of the UNOS Database

Introduction:Early retransplantation following initial orthotopic heart transplantation (OHT) is a rare occurrence, with early evidence suggesting unfavorable clinical outcomes.In October 2018, the United Network for Organ Sharing (UNOS) implemented the current six-tier heart allocation system prioritizing critically ill patients on temporary mechanical support.The impact of this policy change on early retransplantation remains unclear. Methods:J o u r n a l P r e -p r o o f of them not surviving to the first year.These findings highlight important ethical considerations regarding organ allocation and candidate selection when considering early retransplantation.