Abstract
Background
The diagnosis of Helicobacter pylori (H. pylori) infection in children remains challenging with the lack of a rapid, cost-effective, and highly accurate diagnostic method. Consequently, this study aimed to investigate the accuracy of the combination of gastric nodule and rapid urease test (RUT) as a diagnostic method for H. pylori infection in children.
Methods
The study included participants who underwent a thorough examination, including gastroscopy, a 13C breath test, RUT, and pathological methylene blue staining, with the gold standard for diagnosing of H. pylori infection being a positive result from both pathological methylene blue staining and 13C breath test. The sensitivity, specificity, positive and negative predictive values, and accuracy of the diagnostic methods were calculated.
Results
The accuracy of the different tests for H. pylori infection was evaluated in 2202 participants. A total of 730 (33.2%) children were diagnosed with H. pylori infection (pathological methylene blue staining and 13C breath test, both positive). Gastric nodule had a sensitivity of 87.1% and a specificity of 93.1%, whereas combining gastric nodule and RUT in parallel had the higher accuracy of 95.4%. The accuracy of gastric nodule diagnosis was higher in younger age groups and increased after excluding patients with a history of anti-H. pylori treatment.
Conclusions
The findings of this study suggest that gastric nodules, particularly when combined with RUT, can be a valuable predictor of H. pylori infection in children, offering a simple and feasible alternative to other invasive methods.
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Data Availability
The data that support the findings of this study are available from the corresponding author upon reasonable request.
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Acknowledgements
We would like to thank all the patients and their families who participated in this study and the Children’s Hospital of Fudan University staff who assisted with data collection.
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Wu, H., Zhou, Y. & Huang, Y. Accuracy of gastric nodule combined with rapid urease test prediction in diagnosing Helicobacter pylori infection in children. Eur J Clin Microbiol Infect Dis 43, 481–487 (2024). https://doi.org/10.1007/s10096-023-04711-9
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DOI: https://doi.org/10.1007/s10096-023-04711-9