Hypertension, RenovascularHypertensionRenal Artery ObstructionUltrasonography, DopplerHypertension, RenalHypertension, PulmonaryRenal ArteryUltrasonography, Doppler, ColorBlood PressureDoppler EffectUltrasonography, Doppler, PulsedAntihypertensive AgentsReninRadioisotope RenographyFibromuscular DysplasiaHypertension, PortalEchocardiography, Doppler, PulsedUltrasonography, Doppler, TranscranialBlood Flow VelocityKidneyRenal CirculationHypertension, MalignantEchocardiography, Doppler, ColorCaptoprilChlormerodrinNephrectomyVascular ResistanceAngiographyAngiotensin IIAngioplasty, BalloonIodohippuric AcidRats, Inbred SHRMercury RadioisotopesHemodynamicsRenin-Angiotensin SystemTechnetium Tc 99m PentetateLaser-Doppler FlowmetryRats, Inbred WKYRegional Blood FlowHypertension, Pregnancy-InducedHyperaldosteronismProspective StudiesRenal VeinsPulmonary ArteryBlood Pressure DeterminationRisk FactorsAngiotensin-Converting Enzyme InhibitorsHeart RateUltrasonography, Doppler, DuplexPulsatile FlowDiastoleHypertrophy, Left VentricularFollow-Up StudiesTime FactorsDisease Models, AnimalVasodilator AgentsOcular HypertensionRats, Sprague-DawleySympathetic Nervous SystemArteriesUltrasonography, PrenatalSystoleGlomerular Filtration RateSensitivity and SpecificityUmbilical ArteriesTechnetium Tc 99m MertiatideTreatment OutcomeKidney Function TestsAldosteroneArterial PressureUltrasonographyIntracranial HypertensionPregnancyPredictive Value of TestsEchocardiographyRetrospective StudiesEnalaprilLosartanCreatinineVasodilationArteriosclerosisPrevalenceVasoconstrictor AgentsMicrocirculationReference ValuesRats, WistarKidney DiseasesNitric OxideCardiomegalyPregnancy Complications, CardiovascularVasoconstrictionOrgan SizeReproducibility of ResultsAngiography, Digital SubtractionPentetic AcidAortaDesoxycorticosteroneHypertrophy, Right VentricularHypertensive RetinopathyHeart Ventricles