SteelStainless SteelCarotid StenosisAortic Valve StenosisCoronary StenosisSpinal StenosisTracheal StenosisPyloric StenosisMitral Valve StenosisConstriction, PathologicPulmonary Valve StenosisWeldingRenal Artery ObstructionTreatment OutcomeSeverity of Illness IndexAortic Stenosis, SubvalvularStentsAortic Stenosis, SupravalvularFollow-Up StudiesCoronary AngiographyCarotid Artery, InternalDental AlloysEndarterectomy, CarotidUltrasonography, Doppler, DuplexAngioplasty, BalloonProspective StudiesLaryngostenosisAortic ValveTricuspid Valve StenosisCorrosionTime FactorsDiscrete Subaortic StenosisRetrospective StudiesArterial Occlusive DiseasesAngiographyRisk FactorsCatheterizationMagnetic Resonance AngiographyTomography, X-Ray ComputedPyloric Stenosis, HypertrophicMetallurgyBlood Flow VelocityAlloysAngiography, Digital SubtractionStem Cell FactorHeart Valve Prosthesis ImplantationPredictive Value of TestsEsophageal StenosisSensitivity and SpecificityRecurrenceCoronary DiseaseIntracranial ArteriosclerosisAngioplastySymptom AssessmentCardiac CatheterizationGraft Occlusion, VascularDepressionCoronary CirculationVertebrobasilar InsufficiencyPostoperative ComplicationsEchocardiographyHemodynamicsMaterials TestingCerebral AngiographyCoronary VesselsTitaniumCarotid Artery DiseasesHematopoietic Cell Growth FactorsFractional Flow Reserve, MyocardialFrictionCalcinosisVascular PatencyCarotid ArteriesReproducibility of ResultsIschemic Attack, TransientHeart Valve ProsthesisQuestionnairesOrthodontic BracketsStrokeCerebrovascular DisordersUltrasonography, Doppler, ColorMagnetic Resonance ImagingChromiumPrevalenceHypertension, RenovascularCoronary Artery DiseaseArteriovenous Shunt, SurgicalDecompression, SurgicalEndarterectomyRenal ArteryRisk AssessmentLumbar VertebraeEchocardiography, DopplerIntracranial Arterial DiseasesRheumatic Heart DiseaseBehavioral SymptomsObserver VariationUltrasonography, Doppler, TranscranialAngioplasty, Balloon, CoronaryPsychiatric Status Rating Scales