OBJECTIVE: To achieve hepatic portal revascularisation and decompression of extrahepatic portal hypertension in children with cavernoma and obstruction caused by idiopathic portal vein thrombosis. DESIGN: Selected cases. SETTING: Teaching hospitals. Belgium and Italy. SUBJECTS: 11 children who weighed between 5.9 and 54 kg (2 emergencies) with symptomatic extrahepatic portal hypertension. INTERVENTION: Interposition of venous autograft between the superior mesenteric vein and the distal (umbilical) portion of the left portal vein. MAIN OUTCOME MEASURES: Improvements in symptoms and endoscopic appearance after operation. RESULTS: 2 bypasses had to be redone because they stenosed; all 11 were patent at the time of writing (median follow-up 6 months, range 1-32 months). CONCLUSION: The bypass effectively relieved symptoms of extrahepatic portal hypertension by restoring normal hepatic portal blood flow.
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Jean de Ville de Goyet (1999) studied this question.
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