Portasystemic Shunt, Transjugular IntrahepaticVenous ThrombosisPortasystemic Shunt, SurgicalThrombosisPortal VeinHypertension, PortalHepatic EncephalopathyPortal SystemVeinsEsophageal and Gastric VaricesThrombophlebitisHepatic VeinsFemoral VeinSplenic VeinPhlebographyBudd-Chiari SyndromeMesenteric VeinsIliac VeinRenal VeinsUpper Extremity Deep Vein ThrombosisVaricose VeinsGastrointestinal HemorrhageLiver CirrhosisAscitesVena Cava, InferiorVascular MalformationsPortographyAnticoagulantsPulmonary EmbolismSaphenous VeinPopliteal VeinSubclavian VeinJugular VeinsSplenorenal Shunt, SurgicalLiver CirculationSinus Thrombosis, IntracranialIntracranial ThrombosisCoronary ThrombosisHepatic ArteryLiver TransplantationTreatment OutcomeFibrin Fibrinogen Degradation ProductsHeparin, Low-Molecular-WeightPortacaval Shunt, SurgicalSclerotherapyPortal PressureHepatorenal SyndromeAxillary VeinThrombophiliaRetrospective StudiesLiverLiver DiseasesPostthrombotic SyndromeHydrothoraxTomography, X-Ray ComputedCerebral VeinsCarotid Artery ThrombosisUltrasonography, Doppler, ColorPostoperative ComplicationsUltrasonography, Doppler, DuplexHeparinAngiographyVenous ThromboembolismPulmonary VeinsStentsRecurrenceCollateral CirculationFactor VProtein S DeficiencyParacentesisTime FactorsLegLiver Cirrhosis, AlcoholicThrombectomyVena Cava FiltersFollow-Up StudiesFibrinolytic AgentsThromboembolismWarfarinMesenteric Vascular OcclusionRadiology, InterventionalSplanchnic CirculationPostphlebitic SyndromeStockings, CompressionPlethysmography, ImpedanceVascular FistulaIntermittent Pneumatic Compression DevicesCyanoacrylatesRisk FactorsLigationEmbolization, TherapeuticHemostasis, EndoscopicHepatic Veno-Occlusive DiseaseHemorrhageLiver FailureUmbilical VeinsLiver NeoplasmsDog DiseasesProspective StudiesActivated Protein C Resistance