Helicobacter pylori infection in pediatric patients
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Updated: Oct 13, 2026

Detection of Helicobacter pylori Infection and Antibiotic Resistance via Stool Quantitative Polymerase Chain Reaction Analysis
Published on: May 16, 2025
1Division of Gastroenterology and Nutrition, Children's Hospital of Michigan, 3901 Beaubien Boulevard, Detroit, MI 48201, USA.
Insights
Childhood Helicobacter pylori infection is common and may lead to gastric cancer later in life. This review covers the latest research on H. pylori in children, including its spread, effects, and treatment.
Area of Science:
- Pediatric Gastroenterology
- Infectious Diseases
- Microbiology
Background:
- Helicobacter pylori (H. pylori) is a gram-negative bacterium colonizing the gastric mucosa.
- H. pylori infection in childhood is linked to gastritis and peptic ulcers.
- Emerging evidence suggests a connection between childhood H. pylori and later gastric cancer risk.
Purpose of the Study:
- To review recent advancements in understanding H. pylori in children.
- To address the epidemiology, transmission, and pathophysiology of H. pylori in the pediatric population.
- To discuss clinical presentation and treatment strategies for H. pylori in children.
Main Methods:
- Review of recent epidemiologic studies.
- Analysis of current research on H. pylori transmission routes.
- Synthesis of data on pathophysiology and clinical manifestations.
- Evaluation of updated treatment guidelines.
Main Results:
- H. pylori is prevalent in both symptomatic and asymptomatic children.
- The natural history and symptom association of H. pylori in children remain debated.
- Nonulcerative gastritis is a common finding in infected children.
Conclusions:
- Childhood H. pylori infection warrants further investigation due to potential long-term consequences.
- Understanding transmission and pathophysiology is crucial for effective management.
- Standardized diagnostic and treatment approaches are needed for pediatric H. pylori cases.
Abstract:
Helicobacter pylori is a gram-negative, spiral organism that colonizes the gastric mucosa and causes primary antral gastritis and peptic ulcer disease. Recent studies indicate that H. pylori infection acquired in childhood may cause gastric cancer in later life. H. pylori is present in both asymptomatic and symptomatic children as determined by various epidemiologic studies. The natural history of H. pylori infection is still an enigma. Its association with varied symptoms in children is considered controversial because it is frequently associated with nonulcerative gastritis in this age group. This article focuses on some of the newer developments addressing the epidemiology, transmission, pathophysiology, clinical presentation, and treatment of H. pylori infection in the pediatric population.
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