Portal VeinPortal SystemVenous ThrombosisCarbadoxHypertension, PortalLiver CirculationThrombosisMesenteric VeinsLiverPortasystemic Shunt, SurgicalHepatic VeinsVeinsSplenorenal Shunt, SurgicalHepatic ArterySplenic VeinLiver TransplantationBudd-Chiari SyndromeLiver NeoplasmsLiver CirrhosisPortal PressureEmbolism, AirFemoral VeinEsophageal and Gastric VaricesLiver DiseasesThrombophlebitisGlucoseIliac VeinPortacaval Shunt, SurgicalCarcinoma, HepatocellularSplenectomySaphenous VeinVaricose VeinsAnticoagulantsJugular VeinsRenal VeinsPhlebographyGastrointestinal HemorrhageTomography, X-Ray ComputedHypersplenismUpper Extremity Deep Vein ThrombosisPortasystemic Shunt, Transjugular IntrahepaticTreatment OutcomeVena Cava, InferiorProtein S DeficiencyPopliteal VeinPortographySubclavian VeinSplanchnic CirculationUltrasonography, DopplerChemoembolization, TherapeuticRetrospective StudiesHepatectomyPostoperative ComplicationsPulmonary VeinsUltrasonography, Doppler, ColorPulmonary EmbolismAnastomosis, SurgicalSplenomegalyProtein C DeficiencyDogsTime FactorsLiving DonorsAngiographyDiagnostic Techniques, SurgicalEmbolization, TherapeuticTachyphylaxisAscitesSinus Thrombosis, IntracranialIntracranial ThrombosisGasesCoronary ThrombosisLiver RegenerationSclerotherapyAxillary VeinCerebral VeinsFollow-Up StudiesRegional Blood FlowProspective StudiesUmbilical VeinsFibrin Fibrinogen Degradation ProductsCoagulation Protein DisordersHeparin, Low-Molecular-WeightLigationLiver Function TestsFatty LiverRisk FactorsUltrasonography, Doppler, DuplexYttrium RadioisotopesPreoperative CareThrombophiliaPurpura, Thrombocytopenic, IdiopathicHepatic EncephalopathyRats, Sprague-DawleyInfusions, IntravenousPostthrombotic SyndromeSplenic ArteryThrombectomyHeparinSurvival RateMicrosomes, Liver