Angioplasty, BalloonAngioplasty, Balloon, CoronaryAngioplasty, Balloon, Laser-AssistedCoronary VesselsAngioplastyCoronary AngiographyCatheterizationCoronary DiseaseConstriction, PathologicSubclavian Steal SyndromeStentsVascular PatencyAngiographySwineEquipment DesignArteriovenous Shunt, SurgicalGraft Occlusion, VascularCoronary Artery DiseaseRecurrenceCoronary CirculationIschemiaTreatment OutcomeCoronary Artery BypassCoronary StenosisAngioplasty, LaserBalloon OcclusionMyocardial InfarctionFollow-Up StudiesIntra-Aortic Balloon PumpingCoronary RestenosisCoronary ThrombosisCoronary VasospasmTime FactorsCoronary AneurysmGastric BalloonProspective StudiesIliac ArteryTunica IntimaCoronary OcclusionFemoral ArteryArterial Occlusive DiseasesRisk FactorsUltrasonography, InterventionalAtherectomy, CoronaryPercutaneous Coronary InterventionElectrocardiographyCardiac CatheterizationRetrospective StudiesMyocardial IschemiaAngina, UnstablePlatelet Aggregation InhibitorsMyocardial RevascularizationCoronary Care UnitsAortic CoarctationThrombolytic TherapyCarotid Artery InjuriesPopliteal ArteryBalloon ValvuloplastyRetreatmentCollateral CirculationHemodynamicsHyperplasiaPostoperative ComplicationsPredictive Value of TestsRisk AssessmentMyocardial ReperfusionBlood Flow VelocityBeta ParticlesAtherectomyDogsMuscle, Smooth, VascularAngina PectorisFeasibility StudiesArteriosclerosisCarotid ArteriesSeverity of Illness IndexVasodilator AgentsCalcinosisPulmonary Valve StenosisCardiovascular AgentsAngioscopyCarotid StenosisTomography, X-Ray ComputedSaphenous VeinThrombosisEchocardiographyRenal Artery ObstructionCoronary Artery Bypass, Off-PumpCineangiographyHeartReoperationEndothelium, VascularVentricular Function, LeftFibrinolytic AgentsBlood PressureAspirinChi-Square DistributionPrognosisHospital MortalityChest Pain