Gold RadioisotopesArteriesPulmonary ArteryCarotid ArteriesCerebral ArteriesRenal ArteryFemoral ArteryMesenteric ArteriesBasilar ArteryIliac ArteryVertebral ArteryCoronary Artery BypassRadial ArteryMammary ArteriesCarotid Artery, InternalSubclavian ArteryCarotid Artery DiseasesSplenic ArteryBrachial ArteryHepatic ArteryCarotid Artery, CommonCoronary VesselsCeliac ArteryOphthalmic ArteryMesenteric Artery, SuperiorUmbilical ArteriesMiddle Cerebral ArteryRenal Artery ObstructionThoracic ArteriesTemporal ArteriesBronchial ArteriesPopliteal ArteryUlnar ArteryUterine ArteryCoronary AngiographyCarotid Artery, ExternalVasodilationCarotid Artery InjuriesMuscle, Smooth, VascularArterial Occlusive DiseasesVasoconstrictionAngiographyCoronary DiseaseInfarction, Middle Cerebral ArteryAxillary ArteryEndothelium, VascularTreatment OutcomeRetinal Artery OcclusionTomography, X-Ray ComputedStentsCarotid Artery ThrombosisVasodilator AgentsMeningeal ArteriesAneurysmTime FactorsCarotid StenosisRegional Blood FlowCerebral AngiographyMagnetic Resonance AngiographyBlood PressureMaxillary ArteryVasoconstrictor Agents