Angioplasty, BalloonAngioplasty, Balloon, CoronaryAngioplasty, Balloon, Laser-AssistedCoronary VesselsCoronary AngiographyCatheterizationCoronary DiseaseAngina PectorisAngina, UnstableAngioplastySwineEquipment DesignCoronary Artery DiseaseCoronary CirculationCoronary Artery BypassCoronary StenosisStentsAngina Pectoris, VariantMyocardial InfarctionTreatment OutcomeCoronary VasospasmAngioplasty, LaserRecurrenceAngina, StableFollow-Up StudiesBalloon OcclusionConstriction, PathologicCoronary ThrombosisCoronary RestenosisIntra-Aortic Balloon PumpingTime FactorsProspective StudiesCoronary AneurysmElectrocardiographyRisk FactorsMyocardial IschemiaGastric BalloonAtherectomy, CoronaryMicrovascular AnginaUltrasonography, InterventionalIliac ArteryMyocardial RevascularizationCoronary OcclusionTunica IntimaVascular PatencyGraft Occlusion, VascularCardiac CatheterizationFemoral ArteryArterial Occlusive DiseasesPercutaneous Coronary InterventionAngiographyRetrospective StudiesPlatelet Aggregation InhibitorsCoronary Care UnitsThrombolytic TherapyExercise TestCollateral CirculationPredictive Value of TestsRisk AssessmentErgonovineHemodynamicsNitroglycerinVasodilator AgentsChest PainAortic CoarctationCardiovascular AgentsCarotid Artery InjuriesPopliteal ArteryRetreatmentPostoperative ComplicationsBalloon ValvuloplastySeverity of Illness IndexLudwig's AnginaMyocardial ReperfusionBlood Flow VelocityAngioscopyHyperplasiaPrognosisFeasibility StudiesAtherectomyMuscle, Smooth, VascularDogsBeta ParticlesArteriosclerosisIsosorbide DinitrateCalcinosisCineangiographyHeartAspirinEchocardiographyCarotid ArteriesSaphenous VeinIschemiaBlood PressureTomography, X-Ray ComputedCounterpulsationThrombosisChi-Square DistributionBiological MarkersCarotid Stenosis