Angioplasty, Balloon, CoronaryCoronary AngiographyAngioplasty, BalloonCoronary VesselsCoronary DiseaseMyocardial InfarctionCoronary Artery DiseaseAngioplasty, Balloon, Laser-AssistedTreatment OutcomeCoronary CirculationCoronary StenosisPercutaneous Coronary InterventionCoronary Artery BypassCatheterizationStentsAngiographyCoronary RestenosisCoronary ThrombosisAngioplastyFollow-Up StudiesProspective StudiesEquipment DesignSwineTime FactorsCoronary VasospasmRecurrenceCoronary AneurysmElectrocardiographyCoronary OcclusionPlatelet Aggregation InhibitorsRisk FactorsAngina PectorisMyocardial RevascularizationUltrasonography, InterventionalMagnetic Resonance AngiographyAngina, UnstablePredictive Value of TestsMyocardial IschemiaCardiac CatheterizationRetrospective StudiesTomography, X-Ray ComputedConstriction, PathologicAtherectomy, CoronaryTiclopidineRisk AssessmentCerebral AngiographyMyocardial ReperfusionAngioplasty, LaserContrast MediaRadial ArteryThrombolytic TherapyAngiography, Digital SubtractionCollateral CirculationDrug-Eluting StentsSeverity of Illness IndexSensitivity and SpecificityIntra-Aortic Balloon PumpingCoronary Care UnitsGraft Occlusion, VascularChest PainRegistriesCardiovascular AgentsPlatelet Glycoprotein GPIIb-IIIa ComplexHospital MortalityHemorrhageImmunoglobulin Fab FragmentsCineangiographyIopamidolExercise TestFeasibility StudiesPrognosisEchocardiographyAcute Coronary SyndromeFractional Flow Reserve, MyocardialRetreatmentFemoral ArteryTomography, Emission-Computed, Single-PhotonVascular PatencyAspirinChi-Square DistributionThrombosisCalcinosisBlood Flow VelocityVasodilator AgentsFibrinolytic AgentsVentricular Function, LeftTomography, Spiral ComputedAnticoagulantsMultivariate AnalysisHeparinAngina, StableBalloon OcclusionBiological MarkersHemodynamicsPostoperative ComplicationsHirudinsMyocardial Perfusion ImagingCreatine Kinase, MB FormTunica IntimaDipyridamole