Coronary Artery DiseaseCoronary Artery BypassCoronary VesselsCoronary AngiographyCoronary DiseaseCoronary CirculationCoronary StenosisAngioplasty, Balloon, CoronaryCoronary Artery Bypass, Off-PumpTreatment OutcomeRisk FactorsMyocardial InfarctionArteriesFollow-Up StudiesProspective StudiesMammary ArteriesAngina PectorisTime FactorsMyocardial IschemiaExercise TestElectrocardiographyPredictive Value of TestsMyocardial RevascularizationPostoperative ComplicationsRetrospective StudiesStentsSaphenous VeinRisk AssessmentCoronary VasospasmCoronary AneurysmVascular PatencyTomography, Emission-Computed, Single-PhotonCalcinosisSeverity of Illness IndexTomography, X-Ray ComputedFemoral ArteryRadial ArteryGraft Occlusion, VascularCoronary RestenosisCardiac CatheterizationHemodynamicsBiological MarkersMyocardial Perfusion ImagingCardiopulmonary BypassThallium RadioisotopesDipyridamolePercutaneous Coronary InterventionVasodilator AgentsAngina, UnstableCarotid ArteriesPulmonary ArterySensitivity and SpecificityEchocardiographyCoronary ThrombosisUltrasonography, InterventionalDobutamineThoracic ArteriesCarotid Artery DiseasesPrognosisHeartInternal Mammary-Coronary Artery AnastomosisCoronary OcclusionChest PainStroke VolumeChi-Square DistributionPlatelet Aggregation InhibitorsEndothelium, VascularIliac ArteryHeart Arrest, InducedVasodilationCase-Control StudiesEchocardiography, StressReoperationTechnetium Tc 99m SestamibiCoronary Vessel AnomaliesVentricular Function, LeftPostoperative PeriodCardiovascular AgentsArterial Occlusive DiseasesMultivariate AnalysisLogistic ModelsVentricular Dysfunction, LeftAngiographyPopliteal ArteryBlood Vessel Prosthesis ImplantationDiabetes ComplicationsNitroglycerinBlood PressureGastric BypassRenal ArteryDiabetic AngiopathiesCohort StudiesCollateral CirculationVascular Surgical ProceduresMyocardiumBrachial ArteryHospital MortalityConstriction, PathologicCardiotonic AgentsTissue and Organ Harvesting