Portal VeinPortal SystemVenous ThrombosisCarbadoxHypertension, PortalLiver CirculationThrombosisMesenteric VeinsLower ExtremityLiverPortasystemic Shunt, SurgicalVeinsHepatic VeinsSplenorenal Shunt, SurgicalHepatic ArterySplenic VeinBudd-Chiari SyndromePortal PressureFemoral VeinEmbolism, AirLiver TransplantationThrombophlebitisLiver CirrhosisIliac VeinLiver NeoplasmsEsophageal and Gastric VaricesSaphenous VeinGlucoseVaricose VeinsPortacaval Shunt, SurgicalSplenectomyAnticoagulantsLegCarcinoma, HepatocellularPhlebographyRenal VeinsUpper Extremity Deep Vein ThrombosisJugular VeinsTreatment OutcomePopliteal VeinTomography, X-Ray ComputedGastrointestinal HemorrhageHypersplenismPortasystemic Shunt, Transjugular IntrahepaticVena Cava, InferiorRetrospective StudiesUpper ExtremityProtein S DeficiencyUltrasonography, DopplerSubclavian VeinPostoperative ComplicationsPortographyPulmonary EmbolismLiver DiseasesSplanchnic CirculationUltrasonography, Doppler, ColorChemoembolization, TherapeuticAngiographyTime FactorsPulmonary VeinsAnastomosis, SurgicalProtein C DeficiencySplenomegalyFollow-Up StudiesHepatectomyProspective StudiesDogsUltrasonography, Doppler, DuplexExtremitiesDiagnostic Techniques, SurgicalEmbolization, TherapeuticTachyphylaxisSinus Thrombosis, IntracranialSclerotherapyRegional Blood FlowAxillary VeinIntracranial ThrombosisLiving DonorsAscitesAmputationVascular Surgical ProceduresGasesCoronary ThrombosisRisk FactorsLeg InjuriesCerebral VeinsFibrin Fibrinogen Degradation ProductsUmbilical VeinsPostthrombotic SyndromeLigationPreoperative CareHeparin, Low-Molecular-WeightCoagulation Protein DisordersVascular PatencyThrombectomyReoperationPeripheral Vascular DiseasesThrombophiliaBones of Lower ExtremityYttrium Radioisotopes