Journal
JOURNAL OF PEDIATRIC SURGERY
Volume 42, Issue 12, Pages 2017-2021Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.jpedsurg.2007.08.023
Keywords
esophageal atresia; gastroesophageal reflux; manometry; esophageal contractions; topography
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Background/Purpose: The objective of this study is to investigate the characteristics of esophageal motor activity responsible for the development of gastroesophageal reflux (GER) in patients with esophageal atresia (EA). Methods: The subjects consisted of 29 patients with EA (I month to 19 years). Computerized esophageal manometry was conducted to investigate esophageal contractions at swallow. A topographic esophageal manometric analysis was conducted in each subject, providing 3-dimensional displays to reveal the pressure continuum representing esophageal contractions. Results: Significant contractions in the middle esophagus just below the anastomosis were absent in all subjects. Contractions in the distal esophagus were conspicuously absent in 17 subjects. Of these 176 had already undergone fundoplication, and 9 had symptomatic GER requiring fundoplication subsequent to this study. The remaining 12 patients had contractions in the distal esophagus and did not require medical/surgical intervention. A lack of distal esophageal contractions was significantly correlated with the development of GER (P <.001). There was a significant difference in esophageal acid exposure between the 2 groups (median, 38% vs 4%, P <.001). Conclusion: Lack of distal esophageal contractions indicating an impaired clearing capacity is considered a potential key determinant of GER in patients with EA. (c) 2007 Elsevier Inc. All rights reserved.
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