新生儿坏死性小肠结肠炎(necrotizing enteroco- litis,NEC)是新生儿特别是早产儿常见消化系统急症,随着NICU的建立和发展以及机械通气的应用, 发病率近几十年有增加趋势,与早产儿存活增加有关,是新生儿尤其是早产儿死亡的重要原因。 Neonatal necrotizing enterocolitis (NEC) is a common digestive emergency in neonates, especially premature infants. With the establishment and development of NICU and the application of mechanical ventilation, the incidence has been increasing in recent decades, And increased survival of premature children, neonatal, especially premature neonatal deaths is an important reason.