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Circ Heart Fail. 2013 Nov;6(6):1223-9. doi: 10.1161/CIRCHEARTFAILURE.112.000029. Epub 2013 Aug 28.

Pediatric heart transplantation from donors with depressed ventricular function: an analysis of the United Network of Organ Sharing Database.

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  • 1Department of Pediatrics and Department of Surgery, The Cardiac Center, The Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA.

Abstract

BACKGROUND:

Wait-list mortality for children awaiting heart transplantation remains high. Potential donor hearts with depressed ventricular function are often declined. We aimed to test the hypothesis that pediatric heart transplant recipients of grafts with depressed ventricular function would have comparable survival with those with normal function.

METHODS AND RESULTS:

A retrospective study was performed for pediatric heart transplants from the United Network of Organ Sharing Database from October 26, 1999, to June 30, 2011. Patients were grouped based on accepted donor left ventricular ejection fraction (LVEF): normal function (LVEF ≥55%), mildly depressed function (LVEF 45%-54%), or moderately-to-severely depressed function (LVEF <45%). During the study period, there were 3672 pediatric heart transplants; 3306 (90%) had a LVEF reported. Ventricular function was mildly depressed in 245 (7%) and moderately-to-severely depressed in 172 (5%). Patients receiving grafts with moderately-to-severely depressed function were more likely to be younger and weigh less (P<0.001 for both) than those receiving grafts with normal function. Median graft survival from accepted donors with normal ventricular function (10.6 years) was similar to survival from accepted donors with mildly depressed ventricular function (9.7 years; P=0.24) and from accepted donors with moderately-to-severely depressed ventricular function (9.1 years; P=0.13). On propensity-matched analysis, donor ventricular function was not associated with graft survival.

CONCLUSIONS:

The use of donors with depressed ventricular function is uncommon in pediatric heart transplantation (<15% of all transplants), yet graft survival does not differ significantly from accepted donors with normal ventricular function. Hearts from donors with depressed ventricular function may be considered in selected patients.

KEYWORDS:

pediatrics; survival; transplantation

PMID:
23985431
[PubMed - indexed for MEDLINE]
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