胃食管返流(Gastrocsophageal reflux,GER)是婴幼儿顽固性呕吐和生长发育迟缓的重要原因,常见的并发症有返流性食管炎、食管狭窄、溃疡及因反复呕血所致的贫血.近年来研究证明 GER 与婴幼儿时期反复发作的肺炎、哮喘及支气管炎、窒息和婴儿猝死综合征(SIDS)都有密切关系.因此,能否对病理性 Gastroesophageal reflux (GER) is an important cause of intractable vomiting and growth retardation in infants and young children. Common complications include reflux esophagitis, esophageal stricture, ulcer and anemia caused by repeated hematemesis. Studies have shown that GER and infants and young children recurrent pneumonia, asthma and bronchitis, asphyxia and sudden infant death syndrome (SIDS) are closely related. Therefore, whether the pathological