 Introduction In the treatment of esophageal varices rebleeding1 and asciteshydrothorax refractory to the diuretic therapy2 by transjugular intrahepatic portosystemic shunt TIPS, shunt stenosis occurring in 30-70 of cases during the first post-procedural year and the onset of hepatic encephalopathy 30-55 of cases at one year represent two major problems. 