In this multi-center study, centers will use iNO per their usual protocol, and centers will then crossover to iNO de-implementation (that is, at the time of crossover, centers will stop using iNO in the initial resuscitation period). A stepped-wedge crossover study design will be used, and the timing of crossover will be cluster randomized at the level of the center.
The purpose of this study is to Determine if deimplementation of iNO in the post-natal resuscitation/stabilization phase affects the composite outcome of ECLS use and/or mortality, as well as ECLS use, mortality, and/or oxygenation in CDH newborns and to establish the cost-effectiveness of deimplementing iNO as a therapy in the postnatal resuscitation/stabilization phase of CDH management, which will be assessed as the incremental health system costs (savings) per prevented ECLS use and/or death.