Portal VeinHypertension, PortalHypertensionBlood PressurePressureHypertension, PulmonaryPortal SystemPortal PressureHepatic ArteryHypertension, RenalAntihypertensive AgentsHepatic VeinsBlood Pressure DeterminationHydrostatic PressureHypertension, RenovascularLiver CirculationLiverHypertension, MalignantVenous PressureBlood Pressure Monitoring, AmbulatoryHemodynamicsHepatic EncephalopathyLiver CirrhosisTime FactorsHeart RateIntraocular PressureIntracranial PressureVascular ResistanceRats, Sprague-DawleyArterial PressureKidneyTreatment OutcomeHypertension, Pregnancy-InducedTransducers, PressurePulmonary ArteryEsophageal and Gastric VaricesRats, Inbred SHRReninPortasystemic Shunt, SurgicalOcular HypertensionHepatic Stellate CellsLiver DiseasesRisk FactorsProspective StudiesDisease Models, AnimalAtmospheric PressureCatheters, IndwellingIntracranial HypertensionSystoleLiver NeoplasmsLaparoscopesSplenic VeinAir PressureRetrospective StudiesFollow-Up StudiesRats, Inbred WKYDogsPulmonary Wedge PressureVentricular PressureRats, WistarAngiotensin IIPortographyMesenteric VeinsSodium Chloride, DietaryHepatectomyRegional Blood FlowPrevalenceLaparoscopyBody WeightDesoxycorticosteronePortacaval Shunt, SurgicalRenin-Angiotensin SystemShipsDiastoleLiver Cirrhosis, ExperimentalSympathetic Nervous SystemCentral Venous PressureHepatocytesVasodilator AgentsRats, Inbred StrainsOrgan SizePregnancy Complications, CardiovascularNorepinephrineLiver TransplantationHypertrophy, Right VentricularAldosteroneGastrointestinal HemorrhageCardiovascular DiseasesObesityHypertrophy, Left VentricularPulseFatty LiverCardiac OutputNitric OxideSodium, DietaryDose-Response Relationship, DrugSplanchnic CirculationAnalysis of VarianceBlood Flow VelocityDiet, Sodium-Restricted