Angioplasty, BalloonAngioplasty, Balloon, CoronaryCatheterizationLasersAngioplastyCoronary VesselsEquipment DesignSwineAngioplasty, LaserStentsBalloon OcclusionRecurrenceConstriction, PathologicTreatment OutcomeIntra-Aortic Balloon PumpingCoronary AngiographyCoronary DiseaseFollow-Up StudiesGastric BalloonLasers, Solid-StateIliac ArteryTime FactorsAtherectomy, CoronaryArterial Occlusive DiseasesLaser CoagulationMyocardial InfarctionFemoral ArteryVascular PatencyTunica IntimaLaser Therapy, Low-LevelGraft Occlusion, VascularAngiographyPopliteal ArteryProspective StudiesAortic CoarctationCarotid Artery InjuriesRetrospective StudiesBalloon ValvuloplastyHyperplasiaCoronary Artery BypassAngioplasty, Balloon, Laser-AssistedCoronary RestenosisAngina PectorisLasers, ExcimerUltrasonography, InterventionalRetreatmentThrombolytic TherapyAtherectomyIschemiaBeta ParticlesArteriosclerosisPulmonary Valve StenosisCarotid ArteriesCarotid StenosisCardiac CatheterizationRenal Artery ObstructionPostoperative ComplicationsCoronary CirculationMuscle, Smooth, VascularFeasibility StudiesCoronary Artery DiseaseIntermittent ClaudicationLegPlatelet Aggregation InhibitorsLasers, DyeReoperationCoronary StenosisCoronary ThrombosisLaser Scanning CytometryDilatationRisk FactorsRabbitsAlloysMyocardial RevascularizationMitral Valve StenosisVascular Access DevicesSaphenous VeinUltrasonography, Doppler, DuplexThrombosisIntracranial ArteriosclerosisElectrocardiographyAngina, UnstableEndarterectomy, CarotidAngioscopyLimb SalvageBlood Vessel Prosthesis ImplantationTreatment FailureKeratomileusis, Laser In SituPeripheral Vascular DiseasesNeointimaArteriovenous Shunt, SurgicalCollateral CirculationDisease Models, AnimalHypertension, RenovascularMyocardial ReperfusionFibrinolytic AgentsAmputationSeverity of Illness IndexBlood Flow VelocityHirudin Therapy