BACKGROUND: One of the most frequent complications after repair of esophageal atresia (EA) is gastroesophageal reflux disease (GERD). Although GERD-associated EA is known to often require anti-reflux surgery, the predicting factors remain unclear. We retrospectively analyzed EA in our institution. METHODS: Of 65 children with EA treated in our hospital from 1995 to 2018, 45 with Gross C type EA, followed for over 1 year, were enrolled in this study. The patients were divided into fundoplication and non-fundoplication groups and compared in terms of their clinical features. RESULTS: The fundoplication and non-fundoplication groups included 13 and 32 cases, respectively. On univariate analysis, gestational age, body weight, prenatal diagnosis, polyhydramnios, re-do surgery, and gap length of the esophagus differed significantly between the groups (P < 0.05). CONCLUSION: Early delivery, low body weight, and a long gap length are, are considered to be risk factors for fundoplication. However, the present study further showed that prenatal diagnosis and polyhydramnios were also significant contributing factors. The presence of a prenatal diagnosis and polyhydramnios may induce preterm delivery, therefore, cases of polyhydramnios due to suspected EA should be managed to prevent early delivery. Better understanding of the postnatal course after surgery is required, especially for prenatal diagnosis cases.
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