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Updated: Aug 20, 2026

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring
Published on: December 14, 2020
Esophageal motor activity in children with gastro-esophageal reflux disease and esophagitis
Denesh K Chitkara1, Christine Fortunato, Samuel Nurko
1The Motility Unit, Division of Gastroenterology and Nutrition, Children's Hospital, Harvard Medical School, Boston, MA 02111, USA.
Insights
Children with gastro-esophageal reflux disease (GERD) exhibit fewer and abnormal esophageal contractions during reflux episodes. This indicates impaired esophageal acid clearance in pediatric GERD patients.
Area of Science:
- Pediatric Gastroenterology
- Esophageal Motility Disorders
- Gastroesophageal Reflux Disease (GERD)
Background:
- Gastro-esophageal reflux disease (GERD) is common in children.
- Understanding esophageal motor function during reflux is crucial for GERD management.
Purpose of the Study:
- To evaluate esophageal body motor contractions during reflux in pediatric GERD patients.
- To determine if motor function differs in children with and without esophagitis.
Main Methods:
- Combined 24-hour pH probe and esophageal manometry (MP24) were used.
- Patients were grouped based on pH probe and EGD findings (normal, abnormal pH, esophagitis).
- Esophageal motor function was analyzed during reflux episodes.
Main Results:
- Patients with GERD (Groups 1 and 2) showed significantly more reflux than controls (Group C).
- GERD patients had fewer contractions per minute during and after reflux.
- Abnormalities in contraction patterns were observed during prolonged GERD episodes.
Conclusions:
- Children with GERD demonstrate reduced and abnormal esophageal body contractions during reflux.
- These findings suggest impaired esophageal acid clearance in pediatric GERD patients, regardless of esophagitis presence.
Objective:
To evaluate esophageal body motor contractions occurring during esophageal reflux in pediatric patients with gastro-esophageal reflux disease (GERD).
Methods:
Patients referred for the evaluation of GERD who were evaluated with combined 24-hour pH probe and esophageal manometry test (MP24) were included. Patients were separated into the following groups: Group C -- normal pH probe and normal EGD; Group 1 -- abnormal pH probe and normal EGD; and Group 2 -- abnormal pH probe and EGD with histologic esophagitis. Esophageal motor function during reflux episodes was analyzed.
Results:
Twenty-five patients were included. All had a normal stationary esophageal manometry. Patients in Groups 1 and 2 had significantly more gastroesophageal reflux by pH probe than Group C (P < 0.01). During the MP24, patients in Group 1 and 2 had significantly fewer contractions per minute pre-, during, and post-GER (P < 0.05). There were significant differences in the number of isolated and prolonged contractions (>7 sec) during prolonged GERD episodes >5 minutes (P < 0.05).
Conclusion:
Children with GERD have a decreased number and abnormal esophageal body contractions with esophageal reflux. This suggests that children with GERD with and without esophagitis have impaired esophageal body acid clearance.
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