Portal VeinPortal SystemVenous ThrombosisCarbadoxHypertension, PortalLiver CirculationThrombosisMesenteric VeinsLiverPortasystemic Shunt, SurgicalVeinsHepatic VeinsSplenorenal Shunt, SurgicalHepatic ArterySplenic VeinBudd-Chiari SyndromePortal PressureEmbolism, AirFemoral VeinLiver TransplantationLiver CirrhosisLiver NeoplasmsEsophageal and Gastric VaricesThrombophlebitisIliac VeinGlucosePortacaval Shunt, SurgicalSaphenous VeinSplenectomyVaricose VeinsCarcinoma, HepatocellularAnticoagulantsJugular VeinsPhlebographyRenal VeinsTomography, X-Ray ComputedGastrointestinal HemorrhageHypersplenismUpper Extremity Deep Vein ThrombosisPortasystemic Shunt, Transjugular IntrahepaticUltrasonography, DopplerTreatment OutcomeVena Cava, InferiorPopliteal VeinUltrasonography, Doppler, ColorProtein S DeficiencyPortographySubclavian VeinLiver DiseasesSplanchnic CirculationUltrasonographyRetrospective StudiesChemoembolization, TherapeuticPostoperative ComplicationsPulmonary VeinsPulmonary EmbolismAnastomosis, SurgicalSplenomegalyProtein C DeficiencyAngiographyHepatectomyDogsTime FactorsDiagnostic Techniques, SurgicalEmbolization, TherapeuticProspective StudiesTachyphylaxisSinus Thrombosis, IntracranialGasesAscitesIntracranial ThrombosisLiving DonorsCoronary ThrombosisFollow-Up StudiesSclerotherapyRegional Blood FlowAxillary VeinCerebral VeinsUltrasonography, Doppler, DuplexUmbilical VeinsFibrin Fibrinogen Degradation ProductsUltrasonicsLigationCoagulation Protein DisordersHeparin, Low-Molecular-WeightRisk FactorsPreoperative CareYttrium RadioisotopesUltrasonography, InterventionalThrombophiliaPurpura, Thrombocytopenic, IdiopathicPostthrombotic SyndromeInfusions, IntravenousSplenic ArteryThrombectomyHeparinHepatic EncephalopathyAcute DiseaseCarotid Artery ThrombosisLeg