Non-invasive Methods and Surgical Risk Stratification in Cirrhotics Undergoing Elective Extrahepatic Surgery

Inclusion Criteria: * Age \> 18 yrs; * Advanced chronic liver disease (LSM\>10 kPa) * Any etiology (viral, metabolic, alcoholic, cholestatic and autoimmune); * Elective extrahepatic surgery planned within three months and requiring regional or general anaesthesia; * Patients are willing and able to give informed consent Exclusion Criteria: * Presence of hepatic decompensation at the time of informed consent or previous events of hepatic decompensation during the last three months before enrollment. * Presence of portal vein thrombosis * Previous placement of TIPS, * Prior liver transplantation, * Surgical resection or shunt. * Presence of active HCC that needed treatment at the time of informed consent