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When does gastric atrophy develop in Japanese children?

Seiichi Kato1, Shogo Kikuchi, Shigemi Nakajima

  • 1Department of Pediatrics, Tohoku University School of Medicine, Aoba-ku, and Tohoku Koseinenkin Hospital, Sendai, Japan. skato@tohoku-knhp.ne.jp

Helicobacter
|July 31, 2008
PubMed

Insights

Helicobacter pylori infection in children can cause gastric atrophy, but age did not correlate with atrophy severity in this study. Early H. pylori eradication may prevent future gastric cancer.

Area of Science:

  • Pediatric Gastroenterology
  • Oncology
  • Infectious Diseases

Background:

  • Long-term Helicobacter pylori infection is linked to gastric atrophy, intestinal metaplasia, and increased gastric cancer risk.
  • Gastric atrophy has been observed in Japanese children with H. pylori infection, primarily in the antrum.
  • Limited data exists on the specific ages of children affected by H. pylori-induced gastric atrophy.

Purpose of the Study:

  • To investigate the association between age and the grade of gastric atrophy in children with H. pylori infection.
  • To analyze the prevalence of gastric atrophy and intestinal metaplasia in relation to age in pediatric H. pylori cases.

Main Methods:

  • Retrospective analysis of 131 children (79 boys) diagnosed with H. pylori infection.
  • Histological evaluation of gastric antrum in all patients and corpus in 46 patients.
  • Assessment of gastric atrophy grades (0-3) and intestinal metaplasia.

Main Results:

  • Grade 2 and 3 antral atrophy was found in 14 children with a mean age of 12.1 years.
  • Two children (aged 11 and 14) had grade 2 corpus atrophy; no grade 3 corpus atrophy was observed.
  • No significant age difference was found across different grades of antral or corpus atrophy (p > 0.59).
  • Intestinal metaplasia was absent in patients with grade 2 or 3 atrophy.

Conclusions:

  • While age did not correlate with atrophy severity in this retrospective study, findings suggest H. pylori eradication in childhood may be crucial.
  • Early intervention in high-risk gastric cancer regions could prevent H. pylori-induced gastric atrophy and subsequent malignancy.
Abstract

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