Proton-Translocating ATPasesPortal VeinHypertension, PortalHypertensionHeartHeart FailureHypertension, PulmonaryPortal SystemCattleHeart RatePortal PressureBlood PressureHypertension, RenalAntihypertensive AgentsHemodynamicsHeart DiseasesHypertension, RenovascularRisk FactorsHypertension, MalignantTime FactorsHeart Defects, CongenitalHeart TransplantationMyocardiumTreatment OutcomeFollow-Up StudiesLiver CirculationVentricular Function, LeftDiureticsProspective StudiesEchocardiographyRats, Inbred F344Cardiomyopathy, DilatedVentricular Dysfunction, LeftReninHeart AtriaKidneyStroke VolumeNatriuretic Peptide, BrainChronic DiseasePulmonary ArteryRetrospective StudiesAdrenergic beta-AntagonistsVascular ResistanceHypertension, Pregnancy-InducedAngiotensin-Converting Enzyme InhibitorsMyocardial InfarctionNorepinephrineDogsEsophageal and Gastric VaricesDisease Models, AnimalSympathetic Nervous SystemPortasystemic Shunt, SurgicalHeart Function TestsFetal HeartHeart ValvesRats, Sprague-DawleySystoleMyocardial ContractionCardiomegalyPrognosisCardiotonic AgentsHypertrophy, Left VentricularOcular HypertensionCardiovascular DiseasesVasodilator AgentsAngiotensin IIAtrial Natriuretic FactorSplenic VeinRats, Inbred SHRSeverity of Illness IndexPrevalenceAldosteroneCohort StudiesRenin-Angiotensin SystemPulmonary Wedge PressureRisk AssessmentMyocardial IschemiaDiastoleBlood Pressure DeterminationCardiac Pacing, ArtificialCaptoprilPredictive Value of TestsVenous PressureLiverCardiomyopathiesCoronary DiseaseLiver CirrhosisF2-IsoprostanesAge FactorsRats, WistarHeart BlockRats, Inbred WKYSpironolactoneIncidenceMesenteric VeinsF FactorHeart VentriclesIntracranial HypertensionVentricular RemodelingBiological Markers