Portacaval Shunt, SurgicalPeritoneovenous ShuntAscitesHepatic EncephalopathyEsophageal and Gastric VaricesHypertension, PortalPortasystemic Shunt, SurgicalGastrointestinal HemorrhagePortal VeinPortal SystemPortasystemic Shunt, Transjugular IntrahepaticSclerotherapyLiver CirculationLiver Cirrhosis, AlcoholicLiver CirrhosisVentriculoperitoneal ShuntEmergenciesLiver Function TestsCerebrospinal Fluid ShuntsPeptonesVenous PressureBudd-Chiari SyndromeLiver DiseasesEndoscopySplenic VeinLiverDogsCosts and Cost AnalysisHospital Costs