Association of gastroesophageal reflux disease with gastritis activity in schoolchildren living in a region with a high incidence of gastric and esophageal cancer

Aim. To study the activity of the inflammatory process in the gastric mucosa (GM) in gastroesophageal reflux disease (GERD) in schoolchildren living in a region with a high incidence of stomach and esophageal cancer. Material and methods. The transverse method in the Republic of Tyva collected data on the presence of gastroenterological complaints in 1535 schoolchildren aged 7-17 years. The main diagnostic criterion for GERD was the presence of weekly heartburn in the subjects. Subsequently, esophagogastroduodenoscopy was performed with the taking of biopsy material of the mucosa of the antrum and body of the stomach in 246 children. Morphological assessment of GM was carried out in accordance with the Sydney classification after staining biopsy sections with hematoxylin-eosin. Diagnosis of Helicobacter pylori was carried out after staining according to Giemsa. The studies were approved by the ethics committee and the consent of the examined was obtained. Results. Schoolchildren in Tyva have a high prevalence of GERD (9.5%). Associative relationship of GERD with gastritis activity, both in the body (p=0.7338) and in the antrum (p=0.2036) was not revealed. In the antrum, the activity of gastritis was higher than in the body of the stomach (p=0.0001). In children with GERD, when infected with Helicobacter pylori, there was an increase in activity, both in the antrum (p=0.0001) and in the body of the stomach (p=0.0159). At the same time, in children with GERD, the inflammatory process is associated with infection by a microorganism, regardless of its belonging to the Cag A strain. Conclusion. An association of GERD with highly active Helicobacter pylori associated gastritis has been established, regardless of whether the microorganism belongs to the Cag A strain.

children, gastritis activity, gastroesophageal reflux disease, Helicobacter pylori

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