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Diagnostic value of Helicobacter pylori serologic test in pediatric population with abdominal pain

Shohreh Maleknejad1, Afshin Safaei, Mohammadreza Ahmadi

  • 1Department of Pediatrics, School of Medicine, Guilan University of Medical Sciences, Guilan, Iran. maleknejadshohreh@yahoo.com

Acta Medica Iranica
|December 8, 2010
PubMed

Insights

A serologic test for Helicobacter pylori (H. pylori) has limited diagnostic value in children with abdominal pain. Further diagnostic methods like endoscopy are recommended before treatment decisions.

Area of Science:

  • Pediatric Gastroenterology
  • Clinical Diagnostics
  • Microbiology

Background:

  • Peptic disease is a common cause of abdominal pain in children.
  • Accurate diagnosis of Helicobacter pylori (H. pylori) infection is crucial for effective treatment.
  • Serologic tests offer a non-invasive method for H. pylori detection.

Purpose of the Study:

  • To evaluate the diagnostic accuracy of a specific serologic test for H. pylori in pediatric patients.
  • To assess the utility of H. pylori serology in children presenting with abdominal pain suggestive of peptic disease.

Main Methods:

  • A prospective cross-sectional study involving 202 children with abdominal pain.
  • Serologic testing using the Helisual Quick test kit.
  • Confirmation of H. pylori status via endoscopic examination.

Main Results:

  • The serologic test demonstrated a sensitivity of 72.4% and specificity of 64.8%.
  • Positive and negative predictive values were calculated as 44.6% and 85.7%, respectively.
  • The diagnostic performance indicates limitations for independent clinical decision-making.

Conclusions:

  • H. pylori serologic test results in pediatric patients require careful interpretation.
  • Positive serologic findings alone are insufficient for definitive diagnosis or treatment initiation.
  • Integration with other diagnostic modalities, such as endoscopy and urea breath test (UBT), is essential for accurate H. pylori diagnosis in symptomatic children.

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