Lung injury, superimposed on an immature lung, leads to bronchopulmonary dysplasia (BPD). BPD is now characterized primarily by impaired alveolar and vascular growth, rather than by extensive fibrosis ...

In contrast with the full term newborn, preterm infants frequently fail to close their ductus arteriosus after birth. Persistent ductus patency alters mesenteric blood flow, impairs pulmonary ...