Portal VeinPortal SystemVenous ThrombosisCarbadoxHypertension, PortalLiver CirculationMesenteric VeinsThrombosisVeinsLiverPortasystemic Shunt, SurgicalHepatic VeinsSplenorenal Shunt, SurgicalSplenic VeinHepatic ArteryBudd-Chiari SyndromeFemoral VeinSaphenous VeinPortal PressureEmbolism, AirVaricose VeinsIliac VeinLiver TransplantationLiver CirrhosisLiver NeoplasmsEsophageal and Gastric VaricesThrombophlebitisJugular VeinsGlucosePortacaval Shunt, SurgicalRenal VeinsSplenectomyCarcinoma, HepatocellularAnticoagulantsPhlebographyPulmonary VeinsPopliteal VeinGastrointestinal HemorrhageUpper Extremity Deep Vein ThrombosisTomography, X-Ray ComputedHypersplenismSubclavian VeinPortasystemic Shunt, Transjugular IntrahepaticVena Cava, InferiorTreatment OutcomeProtein S DeficiencyPortographyUltrasonography, DopplerSplanchnic CirculationLiver DiseasesChemoembolization, TherapeuticRetrospective StudiesUltrasonography, Doppler, ColorPostoperative ComplicationsUmbilical VeinsPulmonary EmbolismAnastomosis, SurgicalCerebral VeinsAxillary VeinProtein C DeficiencyHepatectomySplenomegalyDogsAngiographyDiagnostic Techniques, SurgicalEmbolization, TherapeuticTime FactorsTachyphylaxisSinus Thrombosis, IntracranialLiving DonorsIntracranial ThrombosisSclerotherapyAscitesGasesCoronary ThrombosisFollow-Up StudiesRegional Blood FlowProspective StudiesUltrasonography, Doppler, DuplexLigationFibrin Fibrinogen Degradation ProductsHeparin, Low-Molecular-WeightCoagulation Protein DisordersPreoperative CareRisk FactorsYttrium RadioisotopesPostthrombotic SyndromePurpura, Thrombocytopenic, IdiopathicThrombophiliaInfusions, IntravenousAzygos VeinThrombectomySplenic ArteryLegHeparinBrachiocephalic VeinsHepatic Encephalopathy