Donor predictors of allograft utilization for pediatric heart transplantation

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Abstract

Pediatric heart transplantations are limited by the supply of donor allografts. We sought to determine the cardiac allograft utilization rate for pediatric donors and identify donor factors that predict graft use for transplantation. The United Network for Organ Sharing deceased donor database was queried from April 30, 2006, to March 31, 2014. Donor risk factors that might affect graft use for cardiac transplantation were evaluated. The pediatric cardiac graft utilization rate was calculated, and logistic regression modeling was performed to determine the relationship of risk factors with graft use for transplantation. During the study period, 6682 eligible cardiac donors 1 year (OR 0.363), non-O blood type (OR 0.586), CDC 'high-risk' donor status (OR 0.676), use of inotropes (OR 0.718), use of >2 inotropes (OR 0.328), and donor left ventricular ejection fraction <50% (OR 0.045) were significantly associated with graft nonutilization. The pediatric cardiac allograft utilization rate and risk factors for graft use for transplantation have been identified. Additional studies will be needed to assess the donor-recipient relationship on pediatric transplant outcomes.

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