Abstract
We aimed to determine the frequency of portal hypertensive gastropathy (PHG) in children with extrahepatic portal venous obstruction (EHPVO) and to find out the role of esophageal variceal obliteration by endoscopic injection sclerotherapy (EIS) and Helicobacter pylori (H. pylori) infection in the pathogenesis of PHG. Twenty consecutive children were studied before EIS and 20 after esophageal varices obliteration. Diagnosis of PHG was established by endoscopic assessment. Helicobacter pylori infection was diagnosed by rapid urease test, H. pylori culture, smear, and histopathologic examination of antral biopsy specimens. Portal hypertensive gastropathy was characterized and graded by endoscopy according to previously established criteria. In the pre-EIS group, eight (40%) had PHG (mild in all) compared with 16 (80%; mild in eight, severe in eight) in the post-EIS group (p < 0.05). Portal hypertensive gastropathy was more extensive in the post-EIS group. There was no significant difference between frequency of gastric varices and H. pylori infection in the pre-EIS and post-EIS groups. We conclude that PHG is common in children with EHPVO; its frequency, extent, and severity increase after esophageal variceal obliteration by EIS, and H. pylori infection does not play any role in its development.
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