what is a hie
What Is Hypoxic-Ischemic Encephalopathy (HIE)? Hypoxic-ischemic encephalopathy (HIE) is a limitation of oxygen and blood flow around the time of birth. HIE causes brain injury and can result in cerebral palsy and other cognitive and developmental impairments. Other terms used for HIE include birth asphyxia, perinatal asphyxia, and neonatal encephalopathy.