Recent concepts regarding extra-hepatic portal hypertension

摘要: Extra-hepatic portal hypertension (EHPH) defined as non cirrhotic, presinusoidal and prehepatic hypertension, with obstruction cavernomatous transformation of the main vein, entails a high, early prolonged risk gastro-intestinal bleeding (GIB) mainly from esophageal and/or gastric varices, less often cholangiopathy or protein-losing enteropathy. Diagnosis EHPH may be done invasive imaging techniques. Assessment is based on results endoscopic examination. Occurence episode onset during follow-up signs high GIB require radical eradication varices. Radical cure achieved at best by bypass surgery restoring physiological flow, second choice shunt surgery. Endoscopic therapy has place first line treatment episodes, also in few cases poor extrahepatic network contra-indicating efficient vascular