Prospective, Non-Blinded, Randomized Controlled Trial on Early Administration of Pulmonary Surfactant Guided by Lung Ultrasound Scores in Very Preterm Infants.
Conditions
- Early Administration of Pulmonary Surfactant Guided by Lung Ultrasound Scores in Very Preterm Infants
Interventions
- OTHER: PS was given according to lung ultrasound score
- OTHER: PS was given according to clinical criteria
Sponsor
Peking University Third Hospital