Angioplasty, BalloonAngioplasty, Balloon, CoronaryCatheterizationLasersAngioplastyCoronary VesselsEquipment DesignSwineAngioplasty, LaserStentsBalloon OcclusionRecurrenceTreatment OutcomeConstriction, PathologicIntra-Aortic Balloon PumpingCoronary AngiographyCoronary DiseaseFollow-Up StudiesGastric BalloonLasers, Solid-StateIliac ArteryLaser CoagulationTime FactorsAtherectomy, CoronaryArterial Occlusive DiseasesMyocardial InfarctionFemoral ArteryVascular PatencyLaser Therapy, Low-LevelTunica IntimaGraft Occlusion, VascularAngiographyProspective StudiesAortic CoarctationRetrospective StudiesPopliteal ArteryCarotid Artery InjuriesBalloon ValvuloplastyCoronary Artery BypassAngioplasty, Balloon, Laser-AssistedAngina PectorisLasers, ExcimerRetreatmentCoronary RestenosisHyperplasiaThrombolytic TherapyBeta ParticlesAtherectomyIschemiaPulmonary Valve StenosisUltrasonography, InterventionalCardiac CatheterizationRenal Artery ObstructionCarotid StenosisCarotid ArteriesCoronary CirculationPostoperative ComplicationsFeasibility StudiesReoperationLasers, DyeIntermittent ClaudicationRisk FactorsMuscle, Smooth, VascularLegPlatelet Aggregation InhibitorsLaser Scanning CytometryDilatationArteriosclerosisCoronary ThrombosisMitral Valve StenosisGerminal CenterVascular Access DevicesCoronary Artery DiseaseAlloysMyocardial RevascularizationCoronary StenosisElectrocardiographyUltrasonography, Doppler, DuplexSaphenous VeinPeripheral Vascular DiseasesTreatment FailureAngina, UnstableKeratomileusis, Laser In SituEndarterectomy, CarotidBlood Vessel Prosthesis ImplantationRabbitsLimb SalvageThrombosisIntracranial ArteriosclerosisArteriovenous Shunt, SurgicalAngioscopyMyocardial ReperfusionFibrinolytic AgentsCollateral CirculationHypertension, RenovascularAmputationChild Day Care CentersNeointimaHirudin TherapyBlood Flow Velocity