GanglionectomyAutonomic Fibers, PreganglionicGanglia, SympatheticSympathectomySympathetic Nervous SystemLumbosacral RegionGanglia, AutonomicArteriesElectric StimulationCatsCadaverLumbar VertebraePulmonary ArteryBlood VesselsCarotid ArteriesCerebral ArteriesFemoral ArteryRenal ArteryMesenteric ArteriesCoronary VesselsBasilar ArteryCoronary Artery BypassIliac ArteryVertebral ArteryVentricular Function, LeftSubclavian ArteryMammary ArteriesRadial ArteryCeliac ArteryCarotid Artery, InternalLymphatic VesselsSplenic ArteryVentricular Dysfunction, LeftCarotid Artery DiseasesHepatic ArteryBrachial ArteryCarotid Artery, CommonRetinal VesselsMesenteric Artery, SuperiorCoronary AngiographyOphthalmic ArteryTime FactorsTreatment OutcomeEndothelium, VascularMiddle Cerebral ArteryUmbilical ArteriesVasodilationThoracic ArteriesTomography, X-Ray ComputedHypertrophy, Left VentricularMuscle, Smooth, VascularRenal Artery ObstructionBronchial ArteriesTemporal ArteriesVasoconstrictionBrachiocephalic TrunkPopliteal ArteryCoronary DiseaseArterial Occlusive DiseasesStentsBlood PressureHemodynamicsDogsUlnar ArteryRegional Blood FlowCarotid Artery, ExternalUterine ArteryCoronary CirculationAngiographyEchocardiographyVasodilator AgentsCarotid Artery InjuriesHeart VentriclesFollow-Up StudiesMagnetic Resonance AngiographyMyocardial InfarctionThoraxBackAtrial Function, LeftProspective StudiesAneurysmCerebral AngiographyInfarction, Middle Cerebral ArteryConstriction, PathologicRetrospective StudiesCoronary StenosisElectrocardiographyHeartRetinal Artery OcclusionAortaAxillary ArteryDisease Models, AnimalVasoconstrictor AgentsAngioplasty, BalloonAorta, ThoracicBlood Vessel ProsthesisCarotid Artery ThrombosisRisk FactorsSwineVascular Patency