Received: 27 February 2020
Revised: 26 June 2020
Accepted: 28 July 2020
First Online: 7 August 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This project was determined to be nonhuman subjects research by the University of Louisville Institutional Review Board and Norton Children’s Hospital Research Board. Balancing measures monitored for prevention of patient harm included mortality, escalation of care to ECMO, the number of infants requiring reinstitution of iNO within 24 h of weaning, and utilization of the pulmonary hypertension consult.