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<p><strong>BACKGROUND: </strong>Pedimacs, an originally NIH-sponsored U.S. database, provides a platform to understand the population of children supported with VADs during this time of increasing numbers, new devices, expanding indications, and improved outcomes.</p>
<p><strong>METHODS: </strong>Between 9/19/12-12/31/19, 44 hospitals implanted 1031 devices in 856 patients under 19 years-of-age.</p>
<p><strong>RESULTS: </strong>Overall, diagnosis was cardiomyopathy in 497(58%), congenital heart disease(CHD) in 216(25%), myocarditis in 85(10%), and other in 58(7%). Positive outcome (alive on device or bridge to transplantation/recovery) occurred in 82% at 6-months. The patient cohort for implantable continuous flow(IC) pumps (n=365)[age:13.2+/-3.9yrs., 18% INTERMACS profile-1, 23% intubated at implant, 16% with CHD] was significantly different from the paracorporeal continuous flow(PC) pump cohort (n=212)[age:3.6+/-4.9yrs, 46% INTERMACS profile-1, 81% intubated, 42% CHD] and the paracorporeal pulsatile(PP) pump cohort (n=230)[age:2.7 +/-3.5yrs, 31% INTERMACS profile-1, 76% intubated, 26% CHD]. Consistent with their cohort composition, positive outcomes at 6 months based on device type were IC-92%, PC-68%, and PP-81%. The incidence of cerebrovascular accidents(CVA) in the IC, PC, and PP cohorts is 7%, 14% and 15%, respectively.</p>
<p><strong>CONCLUSIONS: </strong>IC VADs, the most common VAD-type placed in children, are associated with improved outcomes compared to PP/PC devices, though PP/PC devices are limited to supporting our most challenging patients. Noteworthy, the incidence of CVA for pediatric VADs has significantly decreased and is now 11% overall. This report demonstrates again that although often attributed to age, size, or device type, much of the burden in mortality and adverse events is correlated to the patient's overall state at VAD implantation.</p>
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