title: Pulsatility index, patent ductus arteriosus, and brain damage.
mesh_terms: D001783:Blood Flow Velocity; D002543:Cerebral Hemorrhage / Q000151:congenital* / Q000503:physiopathology; D002560:Cerebrovascular Circulation; D004374:Ductus Arteriosus, Patent / Q000150:complications / Q000503:physiopathology*; D006706:Homeostasis; D006801:Humans; D007231:Infant, Newborn; D011674:Pulse; D014463:Ultrasonography