Related Experiment Video
Updated: May 7, 2026

Detection of Helicobacter pylori Infection and Antibiotic Resistance via Stool Quantitative Polymerase Chain Reaction Analysis
Published on: May 16, 2025
Helicobacter pylori infection among children with Phenylketonuria
Yeşim Oztürk1, Barış Erdur, Seçil Arslansoyu
1Department of Pediatrics, Dokuz Eylul University Faculty of Medicine.
Insights
Children with phenylketonuria (PKU) have a higher frequency of Helicobacter pylori infections, especially those with poor metabolic control. Further research is needed to understand this link.
Area of Science:
- Pediatrics
- Infectious Diseases
- Metabolic Disorders
Background:
- Phenylketonuria (PKU) is a rare genetic disorder requiring strict dietary management.
- Helicobacter pylori (H. pylori) infection is a common bacterial infection with varied clinical presentations.
- The relationship between PKU and H. pylori infection has not been extensively studied.
Purpose of the Study:
- To investigate the prevalence of H. pylori infections in children diagnosed with PKU.
- To compare H. pylori infection rates between children with PKU and healthy controls.
- To explore the association between H. pylori infection and metabolic control in PKU patients.
Main Methods:
- A case-control study involving 66 children with PKU and 32 healthy controls.
- H. pylori infection status determined through appropriate diagnostic methods.
- Comparison of infection frequencies based on PKU status and metabolic control levels.
Main Results:
- H. pylori infection was significantly more frequent in children with PKU (28.1%) compared to controls (9.4%).
- Children with PKU and poor metabolic control exhibited a markedly higher infection rate (51.8%) than those with good control (10.2%).
- No significant difference in WISC-R scores was observed between PKU subgroups with differing metabolic control.
Conclusions:
- Children with PKU, particularly those with poor metabolic control, show an increased susceptibility to H. pylori infection.
- The findings suggest a potential link between PKU metabolic status and H. pylori prevalence.
- Further comprehensive clinical studies are warranted to elucidate the underlying mechanisms and implications of H. pylori infection in pediatric PKU.
Abstract:
This study aimed to determine the frequency of Helicobacter pylori infections in children with phenylketonuria (PKU). Sixty-six children with PKU (35 boys, 31 girls; mean age, 8.2 ± 6.7 years) and 32 outpatient controls (15 boys, 17 girls; mean age, 9.6 ± 4.7 years) were studied. Socioeconomic factors did not differ between the two groups. The frequency of H. pylori infections was higher in patients with PKU (28.1%) than in healthy controls (9.4%). In particular, a higher frequency of infection was detected in patients with PKU with poor metabolic control (51.8%). The frequency of H. pylori infection in patients with PKU with good metabolic control was only 10.2%. There was no difference in the mean total WISC-R score between the poor and good metabolic control groups. A high frequency of H. pylori infection in children with PKU with poor metabolic control could be related to many factors. Advanced and standardized clinical studies on H. pylori infections in children with PKU are required.
More Related Videos
05:23Gastric Mucosa Quantitative Polymerase Chain Reaction Analysis for Detecting Helicobacter pylori and Antibiotic Resistance
Published on: March 7, 2025
06:40Quantitative Polymerase Chain Reaction (qPCR)-Based Rapid Diagnosis of Helicobacter pylori Infection and Antibiotic Resistance
Published on: July 28, 2023
Related Concept Videos
Peptic Ulcer
Inborn Errors of Metabolism
Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy
Gastritis II: Pathophysiology
Peptic Ulcer Disease II: Pathophysiology
Peptic Ulcer Disease II: Pathophysiology
Damaging agents such as Helicobacter pylori, gastric acid, pepsin, and nonsteroidal anti-inflammatory drugs (NSAIDs) can weaken the mucosal defense, allowing hydrogen ions to infiltrate back and harm epithelial cells.