Abstract
Background: The prevalence rate of Helicobacter pylori in developing country is higher than that
in developed country. H. pylori infection one of the common causes of gastritis in adults and
children and there is no association between this bacterium and lympoproliferative especially malt
lymphoma. The prevalence rate of this infection in children is influenced by their socio-economic
status. The aim of our study was to compare the results of invasive tests (endoscopy, gastritis
mucosal biopsy histology, urease) with non-invasive tests (serology, stool Ag).
Methods and Materials: During the study 100 one-year-old children with acute stomach pain who
referred to Tabriz children hospital from north-east of the country were examined by upper
gastrointestinal endoscopy, urease serology and stool Ag test.
Results: In histologic examination of sample %60 of the patients were found HP positive that
urease test with %58 sensitivity and %90 specificity, serology with %55 sensitivity and %87
specificity , stool antigen with %54.8 sensitivity and %79.4 specificity.
Conclusions: The results showed serology and stool Ag test low sensitivity and specificity than
Gold standard histology. But, these tests can be evaluated potentially as an indicator of H.P status
during diagnosis and treatment and eradication of H. pylori.
in developed country. H. pylori infection one of the common causes of gastritis in adults and
children and there is no association between this bacterium and lympoproliferative especially malt
lymphoma. The prevalence rate of this infection in children is influenced by their socio-economic
status. The aim of our study was to compare the results of invasive tests (endoscopy, gastritis
mucosal biopsy histology, urease) with non-invasive tests (serology, stool Ag).
Methods and Materials: During the study 100 one-year-old children with acute stomach pain who
referred to Tabriz children hospital from north-east of the country were examined by upper
gastrointestinal endoscopy, urease serology and stool Ag test.
Results: In histologic examination of sample %60 of the patients were found HP positive that
urease test with %58 sensitivity and %90 specificity, serology with %55 sensitivity and %87
specificity , stool antigen with %54.8 sensitivity and %79.4 specificity.
Conclusions: The results showed serology and stool Ag test low sensitivity and specificity than
Gold standard histology. But, these tests can be evaluated potentially as an indicator of H.P status
during diagnosis and treatment and eradication of H. pylori.
Keywords
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Copyright
© 2005, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC BY 4.0) (https://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.