Hollemans, M.

tips placement patient shunt placement follow-up encephalopathy portosystemic intrahepatic transjugular patency ascite variceal 5- year follow-up month study factor serum serum creatinine levels stent portal liver analysis treatment level 1- year follow-up platelet risk factors creatinine procedure radiology cause hepatic protocol 2- year follow-up shunt patency pressure shunt dysfunction complication hepatic encephalopathy survival follow-up protocol occlusion 3- year follow-up liver transplantation result portal hypertension nonalcoholic cause number patency rate 6- month follow-up serum creatinine level change follow-up cohort portal pressure gradient child-pugh score disease count failure dysfunction transplantation gradient hepatology platelet count response 75 patients hayes pc hypertension redhead dn table nonalcoholic score cohort ficiency function grade trial portocaval pressure gradient shunt insuf ficiency 3 years insuf