[Helicobacter pylori infections in children in the tropical zone. Endoscopic and histological aspects]

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D Ilboudo1, A Bougouma, R Sombie

  • 1Service de Gastroentérologie, Hôpital National, Ouagadougou, Burkina Faso.

Gastroenterologie Clinique Et Biologique
|January 9, 1999
PubMed

Insights

Helicobacter pylori (H. pylori) infection is common in children with digestive issues, causing chronic gastritis but rarely gastric cancer. Further research is needed to understand protective factors or unique bacterial strains.

Area of Science:

  • Pediatric Gastroenterology
  • Infectious Diseases
  • Microbiology

Background:

  • Helicobacter pylori (H. pylori) infection is a significant global health concern, particularly in pediatric populations.
  • Understanding the endoscopic and histological manifestations of H. pylori in children is crucial for diagnosis and management.
  • The prevalence and impact of H. pylori in developing regions like sub-Saharan Africa warrant specific investigation.

Purpose of the Study:

  • To prospectively evaluate the endoscopic and histological features associated with Helicobacter pylori infection in symptomatic children.
  • To determine the prevalence of H. pylori infection and its related gastritis in a pediatric cohort.
  • To explore the relationship between H. pylori infection and specific histological findings in the pediatric upper digestive tract.

Main Methods:

  • A prospective study involving 104 children (6 months-15 years) with digestive symptoms.
  • Upper digestive endoscopy with fundic and antral biopsies for histological and bacteriological analysis.
  • Assessment of endoscopic findings and microscopic examination of biopsy samples for gastritis and H. pylori presence.

Main Results:

  • Endoscopy revealed normal findings in 77% of children; no specific endoscopic lesions were attributed to H. pylori.
  • Chronic antral gastritis was present in 83% of children, with H. pylori identified in 95% of these cases.
  • Common histological findings included follicular gastritis (45%) and mild atrophic gastritis (38.5%), with follicular gastritis more prominent in the antrum.

Conclusions:

  • A high prevalence of early H. pylori infection and chronic gastritis exists in this pediatric cohort.
  • The observed high prevalence contrasts with the low incidence of gastric cancer in Black Africa, suggesting potential protective factors or specific H. pylori strains.
  • Further research is recommended to investigate these protective mechanisms or unique bacterial characteristics.
Abstract

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