Atherectomy, CoronaryAtherectomyCoronary VesselsCoronary AngiographyCoronary Artery DiseaseAngioplasty, Balloon, CoronaryCoronary CirculationCoronary DiseaseCoronary StenosisCoronary Artery BypassUltrasonography, InterventionalAngioplasty, LaserCoronary ThrombosisRecurrenceAngioplasty, Balloon, Laser-AssistedTreatment OutcomeCoronary RestenosisStentsCoronary VasospasmMyocardial InfarctionFollow-Up StudiesCoronary AneurysmCoronary OcclusionPercutaneous Coronary InterventionAngina, UnstableProspective StudiesAngioplasty, BalloonCalcinosisRisk FactorsTime FactorsConstriction, PathologicEmbolismVascular PatencyFemoral ArteryCineangiographyRetrospective StudiesGraft Occlusion, VascularCoronary Care UnitsAngina PectorisBlue Toe SyndromeSaphenous VeinAngiographyHospitals, Group PracticeCardiac CatheterizationAngioscopyPeripheral Arterial DiseasePlatelet Aggregation InhibitorsPostoperative ComplicationsMyocardial IschemiaElectrocardiographyPredictive Value of TestsChi-Square DistributionPopliteal ArteryPlaque, AtheroscleroticArterial Occlusive DiseasesRisk AssessmentSeverity of Illness IndexDogsCoronary Artery Bypass, Off-PumpLower ExtremityMyocardial RevascularizationMultivariate AnalysisHeartPeripheral Vascular DiseasesPostoperative PeriodFeasibility StudiesBlood Flow VelocityClinical Enzyme TestsLimb SalvageVasodilator AgentsEquipment DesignCatheterizationHemodynamicsVasodilationTunica IntimaIntermittent ClaudicationSubclavian Steal SyndromeRetreatmentInguinal CanalIncidenceTomography, X-Ray ComputedCounterpulsationMyocardiumArteriosclerosisChest PainCollateral CirculationPulmonary Subvalvular StenosisInternal Mammary-Coronary Artery AnastomosisPrognosisMuscle, Smooth, VascularEndothelium, VascularAdenosineSwineRegression AnalysisRegistriesLogistic ModelsDrug-Eluting StentsBiological MarkersAnalysis of VarianceTunica Media