Mammary ArteriesInternal Mammary-Coronary Artery AnastomosisAngiographyThoracic ArteriesCoronary AngiographyArteriesMagnetic Resonance AngiographySaphenous VeinCerebral AngiographyCoronary Artery BypassAngiography, Digital SubtractionRadial ArteryGraft Occlusion, VascularVascular PatencyPulmonary ArteryCarotid ArteriesTomography, X-Ray ComputedSubclavian ArteryCoronary VesselsCerebral ArteriesCoronary DiseaseSubclavian Steal SyndromeFluorescein AngiographyRenal ArteryFemoral ArteryBasilar ArteryCoronary Artery DiseaseVertebral ArteryTreatment OutcomeCarotid Artery, InternalMesenteric ArteriesMyocardial RevascularizationCineangiographyVascular GraftingSternumIliac ArteryStentsCoronary StenosisVasoconstrictionVasodilationCarotid Artery DiseasesVasodilator AgentsFollow-Up StudiesMuscle, Smooth, VascularCoronary CirculationEndothelium, VascularAngina PectorisIntracranial AneurysmContrast MediaSpasmEpigastric ArteriesRetrospective StudiesCoronary Artery Bypass, Off-PumpTime FactorsPostoperative ComplicationsOmentumAneurysm, FalseProspective StudiesVasoconstrictor AgentsAngioplasty, Balloon, CoronaryRadionuclide AngiographySensitivity and SpecificityHepatic ArteryCeliac ArteryCardiac CatheterizationArterial Occlusive DiseasesEmbolization, TherapeuticSplenic ArteryDextrocardiaArteriovenous AnastomosisCarotid Artery, CommonBrachial ArteryAngioplasty, BalloonMyocardial InfarctionRenal Artery ObstructionImaging, Three-DimensionalMesenteric Artery, SuperiorTomography, Spiral ComputedOphthalmic ArteryRegional Blood FlowPredictive Value of TestsCarotid StenosisNitroglycerinReoperationMiddle Cerebral ArteryTherapeutic OcclusionTissue and Organ HarvestingPapaverineRisk FactorsVascular Surgical ProceduresConstriction, PathologicSternotomySurgical Procedures, Minimally InvasivePopliteal ArteryCollateral CirculationCoronary RestenosisIntracranial Arteriovenous MalformationsCarotid Artery, ExternalTemporal ArteriesArteriosclerosis