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Gastric Mucosa Quantitative Polymerase Chain Reaction Analysis for Detecting Helicobacter pylori and Antibiotic Resistance
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Gastric phenotype in children with Helicobacter pylori infection undergoing upper endoscopy

Wolfgang Hoepler1, Karin Hammer, Johann Hammer

  • 1Universitätsklinik für Innere Medizin 3, Abteilung für Gastroenterologie und Hepatologie, Vienna, Austria.

Scandinavian Journal of Gastroenterology
|November 16, 2010
PubMed

Insights

Helicobacter pylori infection in children can lead to corpus-predominant gastritis, a precursor to gastric cancer. Further research is needed to understand later-stage developments like mucosal atrophy in pediatric cases.

Area of Science:

  • Pediatric Gastroenterology
  • Infectious Diseases
  • Oncology

Background:

  • Helicobacter pylori (H. pylori) is a known risk factor for gastric cancer, particularly with corpus-predominant gastritis.
  • Childhood H. pylori infection leads to prolonged exposure to this carcinogen if untreated.

Purpose of the Study:

  • To determine the prevalence of H. pylori-induced corpus-predominant gastritis in children.

Main Methods:

  • Analysis of 231 pediatric esophagogastroduodenoscopies (EGD) performed between 2006 and 2008.
  • H. pylori gastritis diagnosis via histology or rapid urease test; inflammation graded using the updated Sydney System.
  • Classification of gastritis as corpus-predominant or antrum-predominant based on inflammation location.

Main Results:

  • H. pylori was detected in 36% (84/231) of pediatric patients.
  • Among H. pylori positive children, 4% (3/84) exhibited corpus-predominant gastritis.
  • One patient showed precancerous mucosal atrophy; no intestinal metaplasia was observed.

Conclusions:

  • Corpus-predominant gastritis can develop in children infected with H. pylori.
  • Mucosal atrophy and intestinal metaplasia appear to be later-stage developments in the H. pylori infection timeline.
Abstract

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