Portal VeinHypertension, PortalHypertensionPortal SystemHypertension, PulmonaryVentriculoperitoneal ShuntCerebrospinal Fluid ShuntsPortasystemic Shunt, SurgicalPortal PressurePortacaval Shunt, SurgicalHypertension, RenalBlood PressurePeritoneovenous ShuntAntihypertensive AgentsHypertension, RenovascularHypertension, MalignantEsophageal and Gastric VaricesLiver CirculationSplenic VeinHydrocephalusRisk FactorsPulmonary ArteryTreatment OutcomeHypertension, Pregnancy-InducedGastrointestinal HemorrhageMesenteric VeinsPortographyLiver CirrhosisFollow-Up StudiesTime FactorsHepatic VeinsHemodynamicsProspective StudiesPrevalenceArteriovenous Shunt, SurgicalOcular HypertensionRetrospective StudiesHepatic EncephalopathySeverity of Illness IndexAscitesIntracranial HypertensionPulmonary CirculationRats, Inbred SHRBlood Pressure DeterminationReninHepatic ArteryVascular ResistanceKidneyVenous PressureLiverCross-Sectional StudiesRats, Inbred WKYChronic DiseaseRenal VeinsHypertrophy, Right VentricularDisease Models, AnimalDesoxycorticosteroneTomography, X-Ray ComputedDepressionPostoperative ComplicationsCohort StudiesAge FactorsQuestionnairesPregnancy Complications, CardiovascularPseudotumor CerebriBlood Pressure Monitoring, AmbulatorySodium Chloride, DietaryAngiotensin IISymptom AssessmentMonocrotalineSplanchnic CirculationRats, Sprague-DawleyLigationHypersplenismHeart Septal Defects, AtrialHeart RateRenin-Angiotensin SystemVena Cava, InferiorRegional Blood FlowSex FactorsVasodilator AgentsLiver TransplantationCase-Control StudiesAldosteroneRisk AssessmentIncidenceCardiovascular DiseasesAnoxiaNitric OxideComorbidityHyperaldosteronismAngiographySplenectomySplenic ArteryHypertrophy, Left VentricularSystoleEchocardiographyAnalysis of VarianceDiureticsPersistent Fetal Circulation Syndrome