Age

Any age

Sex

ALL

Healthy volunteers

Not accepted

1. Clinically considered to benefit from inhaled nitric oxide (iNO) and decided to use Nitric Oxide Generator and Delivery System by clinicians
2. Admitted to the Department of Neonatology at the hospital, gender unlimited
3. Diagnosed as pulmonary hypertension and undergoing/decided to undergo respiratory support
4. Documented Oxygenation index (OI) ≥8 prior to the treatment
5. Signed informed consent by the parent(s) or the legal representative(s) with fully aware of the benefits and risks of this study

1. Proven risks of nitric oxide contraindication
2. Undergoing or expected to need a combination of other pulmonary vasodilators, surfactants or extracorporeal membrane oxygenation
3. Other circumstances that investigators believe unsuitable for enrollment

A Real-world Study of Nitric Oxide Generator and Delivery System