Coronary Vessel AnomaliesCoronary VesselsCoronary AngiographyCoronary Artery DiseaseCoronary CirculationAngioplasty, Balloon, CoronaryCoronary StenosisPericardiumCoronary DiseaseEbstein AnomalyCoronary Artery BypassBlood VesselsHeartMyocardial InfarctionCoronary RestenosisAbnormalities, MultipleCoronary VasospasmCongenital AbnormalitiesDogsCoronary AneurysmMyocardiumCoronary ThrombosisStentsPelger-Huet AnomalyEndothelium, VascularNitroglycerinTreatment OutcomeRisk FactorsVasodilator AgentsVasodilationTime FactorsTomography, X-Ray ComputedVascular ResistanceProspective StudiesMyocardial IschemiaVasa VasorumElectrocardiographyUltrasonography, InterventionalCoronary OcclusionUrogenital AbnormalitiesFollow-Up StudiesPredictive Value of TestsPercutaneous Coronary InterventionSwineCalcinosisAdenosineHemodynamicsMagnetic Resonance AngiographyLymphatic VesselsRetrospective StudiesBlood Flow VelocitySyndromeArteriesVasoconstrictionTooth AbnormalitiesSensitivity and SpecificityNeovascularization, PhysiologicHeart Defects, CongenitalCoronary Care UnitsRetinal VesselsAcetylcholineModels, CardiovascularQuailCoturnixBlood PressureReproducibility of ResultsUltrasonography, PrenatalSeverity of Illness IndexNitric OxideMuscle, Smooth, VascularVeinsPregnancyInfant, NewbornBiological MarkersContrast MediaExercise TestFetal DiseasesVascular MalformationsRegional Blood FlowAnus, ImperforatePerfusionTunica MediaTunica IntimaFeasibility StudiesSirolimusCardiac CatheterizationHeart VentriclesMyocardial RevascularizationCollateral CirculationCoronary Artery Bypass, Off-PumpAngina, UnstableImage Processing, Computer-AssistedChick EmbryoRisk AssessmentAngina PectorisParacrine CommunicationMyocardial ContractionImmunohistochemistryNG-Nitroarginine Methyl EsterEchocardiography