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portal hypertensive bowel disease

Portal hypertensive bowel disease (PHC) was proposed by Kozarek in 1991, which refers to the dilation, congestion, increased blood flow, arteriovenous short circuit, and ultrastructural changes of capillary endothelium and mucosal epithelium of intestinal submucosa on the basis of portal hypertension (PHT). Colorectal hemorrhage is the main manifestation of PHC. Bleeding is mainly due to submucosal veins...

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