Hypertension, PulmonaryHypertension, PortalHepatopulmonary SyndromeAntihypertensive AgentsHypertensionLiver TransplantationIloprostPortal VeinEpoprostenolLiver FailureSulfonesLiver CirrhosisVasodilator AgentsSulfonamidesHemodynamicsLiver DiseasesCardiac CatheterizationPortal SystemHypertension, RenalBlood PressureTreatment OutcomeHypertension, RenovascularRetrospective StudiesHypertension, MalignantPortal PressureHypertension, Pregnancy-InducedOcular HypertensionRisk FactorsPulmonary ArteryRats, Inbred SHRReninBlood Pressure DeterminationIntracranial HypertensionLiver CirculationKidneyRats, Inbred WKYDesoxycorticosteroneVascular ResistanceEsophageal and Gastric VaricesHypertrophy, Right VentricularSodium Chloride, DietaryBlood Pressure Monitoring, AmbulatoryMonocrotalinePregnancy Complications, CardiovascularPrevalenceAngiotensin IIPortasystemic Shunt, SurgicalRenin-Angiotensin SystemSplenic VeinTime FactorsAldosteroneFollow-Up StudiesHeart RateProspective StudiesDisease Models, AnimalHyperaldosteronismRats, Sprague-DawleyPseudotumor Cerebri