Surfactant Redosing.

The article discusses the consideration of surfactant redosing in preterm infants based on increased oxygen requirements, with a case illustrating the decision-making process involving physical examination and echocardiography. It highlights studies on surfactant redosing in infants born to mothers with hypertension and those small for gestational age, emphasizing the importance of recognizing persistent pulmonary hypertension and the potential use of inhaled nitric oxide as a treatment option.