Angioplasty, Balloon, CoronaryAngioplasty, BalloonCoronary VesselsCoronary AngiographyAngioplasty, Balloon, Laser-AssistedCoronary DiseaseCatheterizationCoronary Artery DiseaseCoronary CirculationCoronary Artery BypassCoronary StenosisAngioplastySwineEquipment DesignMyocardial InfarctionStentsRecurrenceTreatment OutcomeFollow-Up StudiesCoronary ThrombosisCoronary RestenosisCoronary VasospasmAngioplasty, LaserCoronary AneurysmTime FactorsConstriction, PathologicProspective StudiesAtherectomy, CoronaryAngina, UnstableAngina PectorisElectrocardiographyRisk FactorsMyocardial IschemiaIntra-Aortic Balloon PumpingUltrasonography, InterventionalCardiac CatheterizationBalloon OcclusionMyocardial RevascularizationCoronary OcclusionPlatelet Aggregation InhibitorsPercutaneous Coronary InterventionCollateral CirculationThrombolytic TherapyRetrospective StudiesCoronary Care UnitsTunica IntimaGraft Occlusion, VascularMyocardial ReperfusionVascular PatencyHirudin TherapyCineradiographyCineangiographyPredictive Value of TestsFemoral ArteryBlood Flow VelocityAngiographyVasodilator AgentsHemodynamicsArterial Occlusive DiseasesAngioscopyHeparinEmergenciesRisk AssessmentVentricular Function, LeftEchocardiographyImmunoglobulin Fab FragmentsAspirinAtherectomyGastric BalloonPostoperative ComplicationsHeartPrognosisExercise TestRetreatmentDipyridamoleBeta ParticlesIliac ArteryHospital MortalitySeverity of Illness IndexChest PainFeasibility StudiesDogsStroke VolumeCalcinosisCardiovascular AgentsAnticoagulantsMuscle, Smooth, VascularFibrinolytic AgentsMultivariate AnalysisSurvival AnalysisNicorandilTomography, Emission-Computed, Single-PhotonSaphenous VeinNitroglycerinCoronary Artery Bypass, Off-PumpPlatelet Glycoprotein GPIIb-IIIa ComplexReoperationHyperplasiaMyocardiumThrombosis