Sympathectomy3-IodobenzylguanidineGanglionectomyAutonomic Nervous System DiseasesSympathetic Nervous SystemIodobenzenesDenervationHeartTachycardia, VentricularIodine RadioisotopesMuscle DenervationAutonomic DenervationSympathectomy, ChemicalStellate GanglionEphedrineShy-Drager SyndromeSympatholyticsAtrial RemodelingAdrenergic FibersNorepinephrineCatecholaminesHyperhidrosisSciatic NerveRenal ArteryBlood PressureMyocytes, CardiacTyraminePeripheral NervesKidneyCatheter AblationOxidopamineHeart RateHypertensionNerve FibersParasympathetic Nervous SystemRadiopharmaceuticalsNerve RegenerationDogsOptic NerveCardiac OutputAutonomic Nervous SystemMyocardiumLong QT SyndromeTime FactorsRegional Blood FlowRats, Inbred StrainsCerebral ArteriesRats, Sprague-DawleyHemodynamicsThallium RadioisotopesParkinson DiseaseNerve EndingsNerve BlockArrhythmias, CardiacNerve CrushTibial NerveFacial NerveCardiac Surgical ProceduresPeripheral Nerve InjuriesCarbon RadioisotopesMedian Nerve