Predictors of re-bleeding and mortality among patients with refractory variceal bleeding undergoing salvage TIPS

1 UCL Institute for Liver and Digestive Health and Sheila Sherlock Liver Unit, Royal Free London NHS Foundation Trust and UCL, London, United Kingdom. 2 Department of Internal Medicine, Division of Clinical and Molecular Hepatology, University Hospital of Messina, Messina, Italy. 3 Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy. 4 Department of Economics, Unit of Statistical and Mathematical Sciences, University of Messina. 5 Gastroenterology and Hepatology Unit. Di.Bi.M.I.S.,University of Palermo, Palermo, Italy. 6 Gastroenterology and Hepatology Department, Athens Medical P. Faliron Hospital, Athens, Greece. 7 Ravenna Hospital, Department of Surgery, Ravenna, Italy.