Mammary ArteriesCoronary VesselsCoronary Artery BypassCoronary Artery DiseaseInternal Mammary-Coronary Artery AnastomosisCoronary AngiographyArteriesThoracic ArteriesCoronary CirculationCoronary DiseaseSaphenous VeinCoronary StenosisAngioplasty, Balloon, CoronaryRadial ArteryPulmonary ArteryCarotid ArteriesCoronary Artery Bypass, Off-PumpFemoral ArteryMyocardial InfarctionRenal ArteryCerebral ArteriesTreatment OutcomeMesenteric ArteriesGraft Occlusion, VascularSubclavian ArteryVascular PatencyCoronary VasospasmVasodilationBasilar ArteryVasodilator AgentsStentsMyocardial RevascularizationEndothelium, VascularTime FactorsRisk FactorsCoronary AneurysmFollow-Up StudiesVasoconstrictionIliac ArteryMuscle, Smooth, VascularVertebral ArteryCoronary RestenosisTomography, X-Ray ComputedMyocardial IschemiaProspective StudiesDogsCoronary ThrombosisSubclavian Steal SyndromeAngina PectorisCarotid Artery DiseasesCarotid Artery, InternalCalcinosisCardiac CatheterizationBrachial ArteryCoronary OcclusionElectrocardiographyCineangiographyAngiographyPostoperative ComplicationsRetrospective StudiesNitroglycerinSternumHemodynamicsVasoconstrictor AgentsCarotid Artery, CommonPredictive Value of TestsSplenic ArteryCoronary Vessel AnomaliesUltrasonography, InterventionalSwineHepatic ArteryVascular GraftingAcetylcholineRegional Blood FlowBlood PressurePercutaneous Coronary InterventionCeliac ArteryCardiopulmonary BypassSpasmArteriosclerosisRisk AssessmentNitric OxideOphthalmic ArteryExercise TestMesenteric Artery, SuperiorHeartAngioplasty, BalloonRenal Artery ObstructionSeverity of Illness IndexBlood Flow VelocityEchocardiographyUmbilical ArteriesMiddle Cerebral ArteryCollateral CirculationBronchial ArteriesPapaverineAortaMyocardiumDose-Response Relationship, DrugUlnar Artery