Question?問(wèn)題：

Necrotizing enterocolitis is the most common acquired GI emergency in the newborn infant. 90% of cases occur in patients with what history, which should raise concern for the diagnosis in infants presenting with abdominal symptoms and signs??

壞死性小腸結(jié)腸炎（NEC）新生兒最常見的獲得性胃腸道急診。90%病例出現(xiàn)在具有什么病史的患兒中，對(duì)已腹部癥狀和體征就診并具有此病史嬰兒要懷疑NEC？

?Answer?答案：

90% of NEC cases occur in preterm infants. The classic presentation starts with a change in feeding tolerance and progresses to other abdominal symptoms/signs (e.g. distention, vomiting, hematochezia, and absent bowel sounds).?

90%NEC病例發(fā)生在早產(chǎn)兒中。典型臨床表現(xiàn)從喂養(yǎng)習(xí)慣改變，發(fā)展到其它腹部癥狀/體征（如膨脹，嘔吐，便血，和腸鳴音消失）

參考文獻(xiàn)：

Cureus.2021;13:e12604