Abstract
Extrahepatic portal vein obstruction is the most frequent cause of portal hypertension in children. Patients may not be amenable to meso-Rex bypass and alternative surgical bypasses do not restore physiologic portal flow to the liver, a critical component of somatic growth in pediatric patients. Superior mesenteric and splenic vein occlusions, while far less common, are also problematic with regards to GI bleeding. The current literature is lacking in non-transplant patients with portal and other visceral occlusion.
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