<prompt> TIPSS involves percutaneous creation of a shunt betweenPoal vein and vena cavaPoal vein and hepatic veinHepatic vein and vena cavaPoal vein and hepatic aery  <response>: It;s a nonsurgical interventional radiological method wherein stent is placed in the liver between hepatic venule and poal venule through a guidewire, used in reducing poal pressure before doing an ohotopic liver transplantation in cirrhotic patients. Reference SRB edition 5 page:622 