Angioplasty, BalloonAngioplasty, Balloon, CoronaryAngioplasty, Balloon, Laser-AssistedCoronary VesselsCatheterizationCoronary AngiographyCoronary DiseaseCatheters, IndwellingEquipment DesignAngioplastySwineCathetersCoronary Artery DiseaseCoronary CirculationCoronary Artery BypassStentsCoronary StenosisTreatment OutcomeAngioplasty, LaserBalloon OcclusionMyocardial InfarctionRecurrenceFollow-Up StudiesConstriction, PathologicIntra-Aortic Balloon PumpingCoronary RestenosisTime FactorsCoronary ThrombosisCoronary VasospasmProspective StudiesCoronary AneurysmCatheterization, Central VenousCardiac CatheterizationGastric BalloonCardiac CathetersIliac ArteryUltrasonography, InterventionalFemoral ArteryCoronary OcclusionVascular PatencyRisk FactorsElectrocardiographyTunica IntimaRetrospective StudiesArterial Occlusive DiseasesGraft Occlusion, VascularAngiographyAtherectomy, CoronaryCatheterization, PeripheralPercutaneous Coronary InterventionEquipment FailureCentral Venous CathetersMyocardial IschemiaAngina, UnstablePlatelet Aggregation InhibitorsMyocardial RevascularizationUrinary CatheterizationCarotid Artery InjuriesThrombolytic TherapyAortic CoarctationHemodynamicsCoronary Care UnitsFeasibility StudiesPopliteal ArteryDogsRetreatmentPredictive Value of TestsBalloon ValvuloplastyCollateral CirculationRisk AssessmentBlood Flow VelocityHyperplasiaBeta ParticlesVascular Access DevicesPostoperative ComplicationsMyocardial ReperfusionThrombosisMuscle, Smooth, VascularAtherectomyUrinary CathetersAngina PectorisCarotid ArteriesTomography, X-Ray ComputedSeverity of Illness IndexArteriosclerosisVasodilator AgentsEchocardiographyPulmonary Valve StenosisCalcinosisIschemiaAngioscopyCardiovascular AgentsBlood PressureCarotid StenosisFluoroscopySaphenous VeinReoperationHeartHeparinVentricular Function, Left