Abstract
Helicobacter pylori commonly infects children in developing countries. To determine the frequency of this infection and its potential role in specific gastrointestinal entities, all patients requiring upper gastrointestinal endoscopy for the evaluation of abdominal ailments in a gastroenterology practice in Lima, Peru, were evaluated during a 1-year period. Gastric biopsies were obtained for each child and were stained with hematoxylin-eosin and Warthin-Starry stains. Of the 107 evaluable patients (mean age 7.4 years, 58% boys), 52 (49%) were infected. The infection rate increased with older patients (P = 0.004). Children with recurrent abdominal pain (P = 0.04), an endoscopic finding of nodular gastritis (P = 0.007), and a histologic finding of chronic active gastritis (P < 0.0001) were infected more commonly.
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