Angioplasty, BalloonAngioplasty, Balloon, CoronaryAngioplasty, Balloon, Laser-AssistedCoronary VesselsCoronary AngiographyCatheterizationCoronary DiseaseAngioplastySwineEquipment DesignCoronary Artery DiseaseCoronary CirculationCoronary Artery BypassStentsCoronary StenosisMyocardial InfarctionTreatment OutcomeRecurrenceAngioplasty, LaserBalloon OcclusionFollow-Up StudiesConstriction, PathologicCoronary RestenosisIntra-Aortic Balloon PumpingCoronary ThrombosisCoronary VasospasmTime FactorsCoronary AneurysmProspective StudiesAtherectomy, CoronaryGastric BalloonUltrasonography, InterventionalVascular PatencyTunica IntimaIliac ArteryGraft Occlusion, VascularRisk FactorsCoronary OcclusionFemoral ArteryArterial Occlusive DiseasesCardiac CatheterizationElectrocardiographyMyocardial RevascularizationRetrospective StudiesPlatelet Aggregation InhibitorsAngina, UnstableMyocardial IschemiaAngiographyPercutaneous Coronary InterventionThrombolytic TherapyAngina PectorisRetreatmentCollateral CirculationCoronary Care UnitsAortic CoarctationCarotid Artery InjuriesMyocardial ReperfusionPopliteal ArteryPostoperative ComplicationsBlood Flow VelocityBalloon ValvuloplastyPredictive Value of TestsHemodynamicsAngioscopyRisk AssessmentFeasibility StudiesMuscle, Smooth, VascularHyperplasiaSeverity of Illness IndexVasodilator AgentsBeta ParticlesAtherectomyDogsCineangiographyEchocardiographyArteriosclerosisCarotid ArteriesImmunoglobulin Fab FragmentsHospital MortalityVentricular Function, LeftCalcinosisPulmonary Valve StenosisIschemiaCardiovascular AgentsReoperationFibrinolytic AgentsCarotid StenosisHeartTomography, X-Ray ComputedAspirinSaphenous VeinEndothelium, VascularThrombosisPrognosisRenal Artery ObstructionHeparinCoronary Artery Bypass, Off-PumpSurvival AnalysisSwine, MiniatureChi-Square Distribution