Angioplasty, BalloonAngioplasty, Balloon, CoronaryAngioplasty, Balloon, Laser-AssistedCoronary VesselsCoronary AngiographyCatheterizationCoronary DiseaseAngioplastySwineEquipment DesignCoronary Artery DiseaseCoronary Artery BypassCoronary CirculationStentsCoronary StenosisTreatment OutcomeMyocardial InfarctionAngioplasty, LaserBalloon OcclusionRecurrenceFollow-Up StudiesIntra-Aortic Balloon PumpingConstriction, PathologicCoronary RestenosisTime FactorsCoronary ThrombosisCoronary VasospasmCoronary AneurysmProspective StudiesGastric BalloonRisk FactorsVascular PatencyGraft Occlusion, VascularIliac ArteryRetrospective StudiesCoronary OcclusionPercutaneous Coronary InterventionTunica IntimaMyocardial RevascularizationFemoral ArteryArterial Occlusive DiseasesUltrasonography, InterventionalAtherectomy, CoronaryAngiographyElectrocardiographyCardiac CatheterizationPostoperative ComplicationsMyocardial IschemiaPlatelet Aggregation InhibitorsAngina, UnstableCoronary Artery Bypass, Off-PumpRisk AssessmentThrombolytic TherapyCoronary Care UnitsAortic CoarctationAngina PectorisCarotid Artery InjuriesPopliteal ArteryRetreatmentPredictive Value of TestsBalloon ValvuloplastyHemodynamicsSaphenous VeinHospital MortalityCollateral CirculationSeverity of Illness IndexHyperplasiaBlood Flow VelocityMyocardial ReperfusionFeasibility StudiesBeta ParticlesCardiovascular AgentsAtherectomyDogsReoperationMuscle, Smooth, VascularArteriosclerosisVasodilator AgentsCarotid ArteriesCarotid StenosisIschemiaTomography, X-Ray ComputedCalcinosisChi-Square DistributionPulmonary Valve StenosisVentricular Function, LeftAngioscopyEchocardiographyThrombosisRadial ArteryMammary ArteriesSurvival AnalysisCardiopulmonary BypassPrognosisAspirinHeartRegistriesRenal Artery ObstructionMultivariate AnalysisPostoperative Period