Related Experiment Video
Updated: May 17, 2026

Gastric Mucosa Quantitative Polymerase Chain Reaction Analysis for Detecting Helicobacter pylori and Antibiotic Resistance
Published on: March 7, 2025
Reinfection Rate after Successful Helicobacter pylori Eradication in Children
Mehri Najafi1, Mohammad Sobhani, Ahmad Khodadad
1Department of Pediatrics, Tehran University of Medical Sciences, Tehran, IR Iran ; Children's Medical Center, Pediatrics Center of Excellence, Tehran, IR Iran.
Insights
Helicobacter pylori reinfection occurred in 14.7% of Iranian children after treatment. Successful eradication reduced symptoms, but follow-up is crucial, especially if symptoms persist post-treatment.
Area of Science:
- Pediatric Infectious Diseases
- Gastroenterology
- Microbiology
Background:
- Helicobacter pylori (H. pylori) reinfection rates are typically low in developed nations.
- Understanding H. pylori recurrence in pediatric populations in developing countries is essential.
Purpose of the Study:
- To determine the reinfection rate of H. pylori in Iranian children over a 12-month follow-up period.
- To assess the long-term efficacy of H. pylori eradication therapy in pediatric patients.
Main Methods:
- A prospective study involving children treated with an omeprazole-based triple regimen for H. pylori.
- Utilized the (13)C urea breath test (UBT) for initial eradication confirmation (8 weeks post-therapy) and follow-up (12 months).
Main Results:
- Out of 37 pediatric patients (aged 5-17 years), 34 achieved initial H. pylori eradication.
- A reinfection rate of 14.7% was observed within the 12-month follow-up period.
- Persistent or recurrent symptoms were significantly associated with a higher recurrence rate (P=0.042).
Conclusions:
- The recurrence rate of H. pylori in this cohort of Iranian children was notably high.
- Successful eradication therapy led to a significant decrease in patient complaints and symptoms.
- Regular follow-up and reevaluation are recommended, particularly for children experiencing post-treatment symptoms.
Objective:
Reinfection rate of Helicobacter pylori after successful eradication is low in developed countries. This study was performed to determine the reinfection rate of H. pylori during a follow up period of 12 months in Iranian children.
Methods:
In this prospective study, children with H. pylori infection were treated with triple omeprazole based regimen. Patients with negative (13)C urea breath test (UBT) performed after 8 weeks of therapy, were followed up by the same test after 1 year.
Findings:
Thirty seven patients, aged 5 to 17 years, were studied. Among them 25 (67.5%) were boys. After eradication therapy of H. pylori, 34 patients had negative (13)C UBT. Reinfection occurred in 5 (14.7%) patients. Reappearance or continuing symptoms after treatment were associated with higher rate of recurrence (P=0.042).
Conclusion:
Recurrence rate of H. pylori was high in our children. Successful eradication significantly decreased complaints and further symptoms. Follow up and reevaluation of patients is necessary especially when there are symptoms after eradication.
More Related Videos
04:56Detection of Helicobacter pylori Infection and Antibiotic Resistance via Stool Quantitative Polymerase Chain Reaction Analysis
Published on: May 16, 2025
03:33Rapid Detection of Fecal Antigen of Helicobacter pylori Infection Based on Double Antibody Sandwich Detection Technology
Published on: May 23, 2025
Related Concept Videos
Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy
Peptic Ulcer
Gastritis II: Pathophysiology
Peptic Ulcer Disease II: Pathophysiology
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Peptic Ulcer Disease IV: Management
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current medication...