478: CHARACTERISTICS AND OUTCOMES OF TECHNOLOGY-DEPENDENT CHILDREN IN PEDIATRIC INTENSIVE CARE UNITS. (January 2018) - Heneghan, Julia; Reeder, Ron; Meert, Kathleen; Berg, Robert; Newth, Christopher; Harrison, Rick; Carcillo, Joseph; Dalton, Heidi; Dean, J. Michael; Tamburro, Robert; Pollack, Murray