Vienna Vascular Liver Disease Study

We will include patients with vascular liver diseases, including * portal vein thrombosis (PVT) * Budd-Chiari Syndrome (BCS) * Heredetary Hemorrhagic Teleangiectasia (HHT, or Osler-Rendu Disease) * Noncirrhotic-portal hypertension (NCPH) and Porto-sinusoidal vascular disorder * Cirrhosis cardiaque if the fulfill inclusion/exclusion criteria and provide written informed consent. Participation in the biobank is optional for the patients. In particular, we will study the natural course of the patients in regard to hepatic decompensation (ascites, variceal bleeding, hepatic encephalopathy), need for intensified treatment (TIPS, ICU, liver transplantation) and survival.