Portacaval Shunt, SurgicalPortal VeinHypertension, PortalVenous ThrombosisHepatic EncephalopathyThrombosisEsophageal and Gastric VaricesPortal SystemPortasystemic Shunt, SurgicalGastrointestinal HemorrhageHypertensionAscitesVeinsSplenic VeinLiver CirculationPortasystemic Shunt, Transjugular IntrahepaticThrombophlebitisLiver CirrhosisSclerotherapyMesenteric VeinsFemoral VeinHypertension, PulmonaryBudd-Chiari SyndromeLiver Cirrhosis, AlcoholicRenal VeinsIliac VeinUpper Extremity Deep Vein ThrombosisPhlebographyVenous PressureLiver Function TestsVentriculoperitoneal ShuntEmergenciesVena Cava, InferiorCerebrospinal Fluid ShuntsPeptonesLiver DiseasesPulmonary EmbolismAnticoagulantsVaricose VeinsJugular VeinsSaphenous VeinSubclavian VeinPopliteal VeinLiverHepatic VeinsSinus Thrombosis, IntracranialPortal PressureIntracranial ThrombosisLiver TransplantationCoronary ThrombosisEndoscopyDogsSplenorenal Shunt, SurgicalHypertension, RenalFibrin Fibrinogen Degradation ProductsBlood PressureHeparin, Low-Molecular-WeightRecurrenceHepatic ArteryTreatment OutcomePostoperative ComplicationsPeritoneovenous ShuntRisk FactorsAxillary VeinThrombophiliaCosts and Cost AnalysisCerebral VeinsTime FactorsFollow-Up StudiesPostthrombotic SyndromeHospital CostsPulmonary VeinsCarotid Artery ThrombosisUltrasonography, Doppler, DuplexAntihypertensive AgentsHypertension, RenovascularLigation