胃食管反流病(gastroesophageal reflux disease,GERD)是常见胃肠道疾病,表现为胃内容物反流,临床表现为胸痛、吞咽困难、咳嗽、声音嘶哑、睡眠障碍和哮喘等症状,在成人、儿童、婴儿等人群中常发生。婴儿摄入大量流食时,由于胃排空延缓,神经防御反射发育不完全,食道下括约肌(loweresophageal sphincter,LES)压力增加,就会引起胃食管反流,卧位时食道内容物更易反流。研究发现,出生后3个 Gastroesophageal reflux disease (GERD) is a common gastrointestinal disease, manifested as reflux of gastric contents, clinical manifestations of chest pain, dysphagia, cough, hoarseness, sleep disorders and asthma and other symptoms in adults, Children, infants and other groups often occur. When babies consume large amounts of fluid food, gastroesophageal reflux may occur due to delayed gastric emptying, incomplete development of neuropsychological reflexes, and increased pressure on the lower esophageal sphincter (LES). The study found that 3 after birth