Objectives: The prevalence of duodenal ulcer (DU) in adult patients with portal hypertension is higher than in patients without portal hypertension. This study investigates the prevalence and characteristics of DU in children with portal hypertension. Patients and Methods: From January 1997 to December 2001, 80 children with portal hypertension who had undergone upper intestinal endoscopic examinations were enrolled. Possible factors contributing to the development of DU including severity of

more »

... ver disease, portal hypertension, H. pylori, and serum gastrin level were studied. The control group consisted of 80 ageand sex-matched children with gastrointestinal symptoms but no liver disease and who underwent endoscopic examination during the same period. Results: The prevalence of DU was significantly higher in