Abstract
Children with heart failure have the highest mortality while awaiting transplantation. Ex situ heart perfusion (ESHP), a method for continuous perfusion of the donor heart, has the potential to improve access to transplant by increasing travel distance between donor and recipient. An adult ESHP device is currently available, but as of yet there is no pediatric device. The aim of this study was to evaluate current knowledge of ESHP among pediatric heart transplant practitioners, define potential barriers, and identify uses of this novel technology. An electronic survey was developed to assess perspectives of international pediatric heart transplant stakeholders (n=68) on ESHP. Select questions were analyzed to evaluate for associations between groups of respondents and patterns of response. Most respondents were familiar but <10% had clinically utilized ESHP. There was optimism that ESHP could decrease waitlist mortality. Respondents were concerned about potential device malfunction and lack of long-term outcomes. There were no differences found in terms of ESHP familiarity among age groups, practitioner center volume, country of work, or discipline. ESHP has the potential to expand the pediatric heart donor pool and decrease waitlist mortality. More education on outcomes and risks/benefits is needed in order to promote widespread adoption.
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