Table 1

Details of the four infants who died

CaseBW (g)DOL at admission to CMHDOL at start of INOBaseline Fio2/Spo2INO response at 72 hINO stopped, DOLAge at death (days)Associated problems
BW, birth weight; DOL, day of life; CMH, Children's Mercy Hospital; INO, inhaled nitric oxide.
15091171.0/90%Yes2460
278017171.0/70%Yes2448Steroid associated cardiomyopathy from DOL 10
387526261.0/75%Yes3975Renal and hepatic failure
47101101.0/85%No1324Adenovirus pneumonia