Portal VeinHypertension, PortalHypertensionHeartHypertension, PulmonaryPortal SystemHeart RatePortal PressureHypertension, RenalBlood PressureAntihypertensive AgentsHypertension, RenovascularHeart FailureHypertension, MalignantHeart DiseasesHeart Defects, CongenitalLiver CirculationHeart TransplantationRisk FactorsHemodynamicsHypertension, Pregnancy-InducedEsophageal and Gastric VaricesPortasystemic Shunt, SurgicalPulmonary ArteryFetal HeartTime FactorsOcular HypertensionSplenic VeinRats, Inbred SHRReninKidneyVascular ResistanceHeart ValvesHeart AtriaTreatment OutcomeFollow-Up StudiesRats, Sprague-DawleyLiver CirrhosisProspective StudiesBlood Pressure DeterminationMyocardiumRats, Inbred WKYMesenteric VeinsDisease Models, AnimalIntracranial HypertensionPortographyHepatic VeinsPrevalenceLiverAngiotensin IIChronic DiseaseHypertrophy, Right VentricularVenous PressureDesoxycorticosteroneHepatic ArterySystoleRetrospective StudiesVasodilator AgentsHeart BlockBlood Pressure Monitoring, AmbulatoryRenin-Angiotensin SystemCardiovascular DiseasesSodium Chloride, DietaryMonocrotalinePortacaval Shunt, SurgicalEchocardiographyHypertrophy, Left VentricularGastrointestinal HemorrhageRats, WistarCardiomegalySympathetic Nervous SystemPregnancy Complications, CardiovascularAdrenergic beta-AntagonistsNorepinephrineDiureticsAldosteroneHeart Function TestsDogsCoronary DiseaseCohort StudiesMyocardial ContractionAge FactorsSplanchnic CirculationLigationNitric OxideHeart Arrest, InducedMyocardial IschemiaPulmonary CirculationRisk AssessmentCross-Sectional StudiesAnoxiaDiastolePerfusionDiabetes MellitusSeverity of Illness IndexRegional Blood FlowBody WeightHyperaldosteronismCase-Control StudiesEndothelin-1