Esophageal motor abnormalities in children with gastroesophageal reflux and peptic esophagitis
1986
Esophageal motility was studied in 26 children with gastroesophageal reflux. In 11 patients (group A), esophagitis was severe; in the remaining 15 (group B), either mild or no microscopic changes were found. Lower esophageal sphincter pressure and amplitude, as well as velocity and duration of esophageal pressure waves, were manometrically measured. All patients underwent a 12-week intensive antacid course. Manometric tracings, blindly read, were compared with those of 16 age-matched children with emesis without proven reflux (group C). Among the variables analyzed, amplitude of the motor waves was significantly lower in patients with severe esophagitis than in group B and C patients (P
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