Angioplasty, Balloon, CoronaryAngioplasty, BalloonCoronary VesselsCoronary AngiographyCoronary DiseaseAngioplastyCoronary CirculationCoronary Artery DiseaseCoronary Artery BypassRecurrenceMyocardial InfarctionStentsCoronary StenosisTreatment OutcomeFollow-Up StudiesAngioplasty, LaserAtherectomy, CoronaryAngina PectorisCoronary ThrombosisConstriction, PathologicAngioplasty, Balloon, Laser-AssistedTime FactorsCoronary RestenosisProspective StudiesAngina, UnstableCoronary VasospasmCoronary AneurysmElectrocardiographyThrombolytic TherapyRisk FactorsMyocardial IschemiaPlatelet Aggregation InhibitorsRetrospective StudiesMyocardial RevascularizationHirudin TherapyCardiac CatheterizationCineradiographyCollateral CirculationUltrasonography, InterventionalVascular PatencyGraft Occlusion, VascularMyocardial ReperfusionCineangiographyEmergenciesFemoral ArteryHeparinArterial Occlusive DiseasesImmunoglobulin Fab FragmentsTunica IntimaPercutaneous Coronary InterventionPostoperative ComplicationsCatheterizationAtherectomyAngiographyCoronary OcclusionAngioscopyCoronary Care UnitsPredictive Value of TestsRetreatmentVentricular Function, LeftAspirinHospital MortalityBlood Flow VelocityPrognosisPremedicationRisk AssessmentReoperationAnticoagulantsBeta ParticlesDipyridamoleExercise TestFeasibility StudiesEchocardiographyIliac ArteryVasodilator AgentsStroke VolumeFibrinolytic AgentsNicorandilSurvival AnalysisSeverity of Illness IndexIoxaglic AcidPlatelet Glycoprotein GPIIb-IIIa ComplexHeartIntraoperative ComplicationsHemodynamicsSwineWhole Blood Coagulation TimeSaphenous VeinMultivariate AnalysisDiatrizoate MeglumineChest PainDouble-Blind MethodIopamidolTomography, Emission-Computed, Single-PhotonEquipment ReuseThallium RadioisotopesHirudinsStreptokinaseRegistriesSurvival Rate