Related Experiment Video
Updated: Jul 14, 2026

Surgical Models of Gastroesophageal Reflux with Mice
Published on: August 25, 2015
[Gastroesophageal reflux in children]
Insights
Gastroesophageal reflux in children stems from esophageal motility issues, impaired clearance, and reduced mucosal resistance. These factors are influenced by primary and secondary causes, including spinal injury and anatomical abnormalities.
Area of Science:
- Pediatric Gastroenterology
- Esophageal Motility Disorders
- Gastrointestinal Pathophysiology
Context:
- Gastroesophageal reflux (GER) is a common condition in children.
- Understanding the underlying mechanisms is crucial for effective management.
- This study explores the multifactorial etiology of GER in pediatric populations.
Purpose:
- To elucidate the primary pathogenetic mechanisms of gastroesophageal reflux in children.
- To identify key factors contributing to esophageal motor disturbances and reduced mucosal resistance.
- To differentiate between primary and secondary causes of esophageal and lower esophageal sphincter dysfunction.
Summary:
- The main pathogenetic mechanisms of pediatric gastroesophageal reflux involve disturbances in esophageal and lower esophageal sphincter motor activity, impaired esophageal clearance, and decreased esophageal mucosal resistance.
- Primary factors include natal cervical spinal injury and mediator imbalances (dopamine, acetylcholine, serotonin).
- Secondary factors encompass hiatal hernia, pylorospasm, and pylorostenosis, alongside pre-epithelial, epithelial, and post-epithelial mucosal resistance disorders.
Impact:
- Provides a comprehensive overview of GER pathogenesis in children.
- Highlights the importance of addressing both motility and mucosal integrity.
- Informs clinical diagnosis and therapeutic strategies for pediatric GER.
Abstract:
The main pathogenetic mechanisms of gastroesophageal reflux in children are disturbances in the motor activity of the esophagus and the lower esophageal sphincter, disorder of esophageal clearance, and lowered esophageal mucosal tissue resistance. Factors that lead to disturbances in the motor activity of the esophagus and the lower esophageal sphincter are primary insufficiency including natal cervical spinal injury, and disbalance of mediators that regulate the motor activity (dopamine, acetylcholine, and serotonin). Secondary insufficiency factors are hiatal hernia, pylorospasm, and pylorostenosis. Disorders of mucosal tissue resistance include pre-epithelial, epithelial, and post-epithelial factors.
Related Concept Videos
Gastroesophageal Reflux Disease
Gastroesophageal Reflux Disease II: Clinical Features and Management
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
Gastroesophageal Reflux Disease I: Meaning and Pathophysiology
Esophageal Strictures-I: Introduction
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
Barrett Esophagus-II: Clinical Manifestations and Management
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure entails...
Esophageal Achalasia
