Helicobacter pylori infection in children: an overview of diagnostic methods

Area of Science:

• Pediatric Gastroenterology
• Infectious Diseases
• Diagnostic Medicine

Background:

• Helicobacter pylori (H. pylori) infection is a significant factor in pediatric duodenal ulcers and gastritis.
• H. pylori may contribute to extraintestinal conditions, but its role in growth faltering, iron deficiency anemia, and asthma is debated.
• Accurate H. pylori detection methods are crucial for effective pediatric management.

Purpose of the Study:

• To review and present the diagnostic tests available for detecting H. pylori infection specifically in children.
• To compare the utility and challenges of various invasive and non-invasive diagnostic approaches in pediatric populations.

Main Methods:

• Review of established invasive diagnostic methods: endoscopic evaluation, rapid urease test (RUT), histology, and bacterial culture.
• Overview of non-invasive diagnostic tests: urea breath test (UBT), stool antigen test (SAT), serology, and molecular diagnostics.
• Discussion of the practical limitations of invasive procedures, such as endoscopy, in pediatric patients.

Main Results:

• Non-invasive tests are frequently preferred for H. pylori diagnosis in children due to the difficulties associated with invasive procedures.
• While non-invasive methods offer convenience, their diagnostic accuracy can be variable.
• Invasive tests remain valuable for confirming H. pylori diagnosis when necessary.

Conclusions:

• The selection of H. pylori diagnostic tests in children involves balancing accuracy, invasiveness, and patient cooperation.
• Non-invasive tests are generally favored for initial H. pylori screening in pediatric cases.
• Invasive methods serve as essential confirmatory tools for H. pylori diagnosis in children when indicated.