Angioplasty, BalloonAngioplasty, Balloon, CoronaryAngioplasty, Balloon, Laser-AssistedCoronary VesselsCoronary AngiographyCatheterizationCoronary DiseaseAngioplastySwineEquipment DesignCoronary Artery DiseaseCoronary CirculationCoronary Artery BypassStentsCoronary StenosisAngioplasty, LaserTreatment OutcomeBalloon OcclusionMyocardial InfarctionRecurrenceConstriction, PathologicFollow-Up StudiesIntra-Aortic Balloon PumpingCoronary RestenosisCoronary ThrombosisCoronary VasospasmTime FactorsCoronary AneurysmGastric BalloonProspective StudiesIliac ArteryVascular PatencyTunica IntimaCoronary OcclusionFemoral ArteryArterial Occlusive DiseasesRisk FactorsGraft Occlusion, VascularUltrasonography, InterventionalAtherectomy, CoronaryAngiographyPercutaneous 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 StenosisIschemiaCardiovascular AgentsAngioscopyCarotid StenosisTomography, X-Ray ComputedSaphenous VeinThrombosisEchocardiographyRenal Artery ObstructionCoronary Artery Bypass, Off-PumpCineangiographyHeartReoperationEndothelium, VascularVentricular Function, LeftFibrinolytic AgentsBlood PressureAspirinChi-Square DistributionPrognosisHospital MortalityChest PainVasodilationSwine, Miniature