SympathectomyHypertension, PulmonaryHypertensionAtrial RemodelingAntihypertensive AgentsDenervationRenal ArteryKidneyBlood PressureCatheter AblationSympathetic Nervous SystemCatheters, IndwellingGanglionectomyMuscle Denervation3-IodobenzylguanidineAutonomic DenervationAutonomic Nervous System DiseasesCathetersSympathectomy, ChemicalStellate GanglionEphedrineHypertension, RenalIodobenzenesShy-Drager SyndromeHeartHypertension, PortalSympatholyticsNorepinephrineHypertension, RenovascularAdrenergic FibersCatecholaminesHyperhidrosisHypertension, MalignantHeart RateTyramineTime FactorsHemodynamicsCatheterizationOxidopamineHypertension, Pregnancy-InducedRadiopharmaceuticalsTreatment OutcomeTachycardia, VentricularCatheterization, Central VenousRegional Blood FlowIodine RadioisotopesDogsRats, Sprague-DawleyParasympathetic Nervous SystemRats, Inbred Strains