Angioplasty, BalloonAngioplasty, Balloon, CoronaryCatheterizationLasersAngioplastyCoronary VesselsEquipment DesignSwineAngioplasty, LaserStentsBalloon OcclusionTreatment OutcomeRecurrenceConstriction, PathologicIntra-Aortic Balloon PumpingCoronary AngiographyCoronary DiseaseFollow-Up StudiesGastric BalloonLasers, Solid-StateIliac ArteryTime FactorsLaser CoagulationMyocardial InfarctionAtherectomy, CoronaryArterial Occlusive DiseasesFemoral ArteryVascular PatencyLaser Therapy, Low-LevelTunica IntimaGraft Occlusion, VascularAngiographyProspective StudiesAortic CoarctationCarotid Artery InjuriesPopliteal ArteryBalloon ValvuloplastyCoronary Artery BypassRetrospective StudiesAngioplasty, Balloon, Laser-AssistedAngina PectorisLasers, ExcimerRetreatmentCoronary RestenosisThrombolytic TherapyHyperplasiaBeta ParticlesIschemiaUltrasonography, InterventionalAtherectomyPulmonary Valve StenosisCardiac CatheterizationPostoperative ComplicationsRenal Artery ObstructionCarotid StenosisCarotid ArteriesCoronary CirculationFeasibility StudiesPlatelet Aggregation InhibitorsIntermittent ClaudicationLasers, DyeMuscle, Smooth, VascularLegDilatationLaser Scanning CytometryArteriosclerosisTreatment FailureCoronary ThrombosisReoperationDouble-Blind MethodVascular Access DevicesRabbitsMitral Valve StenosisAlloysMyocardial RevascularizationCoronary Artery DiseaseElectrocardiographyRisk FactorsCoronary StenosisSaphenous VeinUltrasonography, Doppler, DuplexThrombosisAngina, UnstablePeripheral Vascular DiseasesKeratomileusis, Laser In SituEndarterectomy, CarotidFibrinolytic AgentsBlood Vessel Prosthesis ImplantationLimb SalvageIntracranial ArteriosclerosisCombined Modality TherapyDisease Models, AnimalAngioscopyMyocardial ReperfusionArteriovenous Shunt, SurgicalCollateral CirculationSeverity of Illness IndexHypertension, RenovascularImmunoglobulin Fab FragmentsNeointima