Related Experiment Video
Updated: Aug 24, 2026

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring
Published on: December 14, 2020
[Long-term clinical observation of infants with gastroesophageal reflux]
Janusz Semeniuk1, Maciej Kaczmarski, Katarzyna Sidor
1III Klinika Chorób Dzieci Akademii Medycznej w Białymstoku, Samodzielny Publiczny Szpital Kliniczny w Białymstoku.
Insights
Gastroesophageal reflux (GER) in infants often persists despite conservative therapy. Long-term observation reveals that while some infants resolve GER, many continue to experience pathological reflux into childhood, necessitating ongoing monitoring for potential complications.
Area of Science:
- Pediatric Gastroenterology
- Clinical Observation Studies
Context:
- Gastroesophageal reflux (GER) is a common condition in infants.
- Early diagnosis and management are crucial for affected infants.
- Spontaneous resolution rates and long-term outcomes require further investigation.
Purpose:
- To conduct a long-term observation of infants diagnosed with gastroesophageal reflux.
- To assess the spontaneous resolution of GER in this cohort.
- To evaluate the persistence of GER and its associated parameters over time.
Summary:
- 290 infants with symptomatic GER underwent initial pH monitoring, with 83.8% showing abnormal results.
- After one year of conservative therapy, 69.8% of follow-up patients still had pathological GER.
- By age 2, 31% had normal reflux scores, but pathological GER persisted in some children up to and beyond five years of age.
Impact:
- Highlights the significant rate of persistent GER in infants beyond the first year.
- Underscores the need for extended clinical follow-up due to the risk of GER complications.
- Provides valuable data for understanding the natural history of infant GER and informing clinical practice.
Abstract:
The aim of the study was long-term observation of patients with gastroesophageal reflux (GER), diagnosed in their infancy, in aspect of spontaneous resolution of this disorder. 290 symptomatic infants aged 5 weeks to 11 months (mean--5.8 months) underwent 24-hour esophageal pH monitoring. In 243 (83.8%) patients, abnormal reflux score was observed. After one year of conservative therapy, follow-up study by esophageal pH-monitoring has been performed in 136 (46.9%) children and still showed pathological GER in 95 (69.8%) subjects. After 2 years, 45 (15.5%) patients has been investigated--14/45 (31.0%) of them had normal reflux score. At the following five-year clinical observation was available group of 28/290 (9.6%) patients. In the 2-3 year of their life, 13 of them had resolved symptoms and had normal acid reflux parameters, whereas 9 patients still had pathological GER. In the following years, basing of results of 24-hour pH monitoring, pathological GER persisted: in 7 children in age 4, in 5 subjects in age 5 and in 3 children over fifth year of life. Long-term clinical follow-up of these children is necessary because of risk of GER complications.
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