Basilar ArteryEndothelium, VascularMuscle RelaxationVasodilationCoronary VesselsVasodilator AgentsArteriesAcetylcholineNitroglycerinCoronary AngiographyNitric OxideNitroprussideVasoconstrictionEndotheliumCoronary Artery DiseaseCoronary CirculationMuscle, Smooth, VascularVasoconstrictor AgentsBrachial ArteryVertebrobasilar InsufficiencyCoronary Artery BypassRegional Blood FlowNitric Oxide SynthaseAngioplasty, Balloon, CoronaryDose-Response Relationship, DrugCoronary StenosisCerebral ArteriesPulmonary ArteryVertebral ArteryCoronary DiseaseMesenteric ArteriesCarotid ArteriesDogsFemoral ArteryTime FactorsCoronary VasospasmSubarachnoid HemorrhageBrain Stem InfarctionsEndothelium, CornealCells, CulturedMuscle ContractionRabbitsRenal ArteryEndothelial CellsCerebral AngiographyVasospasm, IntracranialCell AdhesionMyocardial InfarctionNitroarginineAorta, ThoracicAortaPotassium ChlorideCoronary ThrombosisCoronary AneurysmTreatment OutcomeMammary ArteriesSwineEnzyme InhibitorsRadial ArteryBiological FactorsNitric Oxide Synthase Type IIIUmbilical VeinsTomography, X-Ray ComputedRats, Sprague-DawleyVasomotor SystemSerotoninCoronary RestenosisCalciumCarotid Artery, InternalNG-Nitroarginine Methyl EsterStentsPapaverineRisk Factors15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidIliac ArteryCoronary OcclusionBradykininHemodynamicsIndomethacinBlood PressureIntracranial AneurysmMagnetic Resonance AngiographyRelaxationRelaxation TherapyMicrocirculationArginineArterial Occlusive DiseasesFollow-Up StudiesProspective StudiesDisease Models, AnimalCerebrovascular CirculationStress, MechanicalIntercellular Adhesion Molecule-1Carotid Artery DiseasesVascular Cell Adhesion Molecule-1Rats, WistarBlood Flow VelocityNorepinephrinePercutaneous Coronary InterventionCyclic GMP