Abstract
Pediatric ventricular assist device (VAD) use has evolved dramatically over the last 2 decades. This study sought to describe the evolution of VAD support to heart transplantation (HTx) in children in a large international multicenter cohort. Using data from the Pediatric Heart Transplant Study, comparisons were made between children (<18 years) supported to HTx (January 1, 1993 to December 31, 2015) with VAD or extracorporeal membrane oxygenation (ECMO) to VAD support. Of 7,135 listed patients, 5,145 underwent HTx; 995 (19.3%) were supported by a VAD (113 with congenital heart disease [CHD]). Patients with a VAD as their first device (n = 821) were older, larger, and more likely to have cardiomyopathy (80%) than patients transitioned from ECMO to VAD (n = 164). In the VAD-only cohort, 79% underwent HTx and 14% died, compared with 69% and 24% in the ECMO-to-VAD cohort, respectively. Patients with cardiomyopathy achieved HTx 84% of the time, with a 9% waitlist mortality rate compared with 55% and 36%, respectively, for CHD. Among VAD-treated patients, 79% were age >10 years in the earliest era, a percentage decreasing to 34% more recently, though neonates still represent <1%. Overall, survival at 2 and 20 years showed no differe...Continue Reading
Citations
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