Carotid StenosisEndarterectomy, CarotidCarotid ArteriesCarotid Artery DiseasesCarotid Artery, InternalCerebrovascular DisordersAsymptomatic DiseasesStrokeEndarterectomyIschemic Attack, TransientUltrasonography, Doppler, TranscranialAngioplastyStentsRisk FactorsUltrasonography, Doppler, DuplexAuscultationProspective StudiesFollow-Up StudiesTreatment OutcomeCarotid Artery, CommonRisk AssessmentAortic Valve StenosisTime FactorsMagnetic Resonance AngiographyConstriction, PathologicSeverity of Illness IndexIntracranial ArteriosclerosisIntracranial EmbolismCoronary StenosisUltrasonographyCerebral AngiographyCarotid BodyArteriosclerosisCarotid Artery, ExternalSpinal StenosisPredictive Value of TestsPostoperative ComplicationsCarotid SinusTracheal StenosisBrain IschemiaAngiography, Digital SubtractionAmaurosis FugaxRetrospective StudiesAngioplasty, BalloonCarotid Artery ThrombosisCerebral InfarctionSensitivity and SpecificityAngiographyPlaque, AtheroscleroticPyloric StenosisTomography, X-Ray ComputedRecurrenceMitral Valve StenosisPulmonary Valve StenosisPatient SelectionBlood Flow VelocityArterial Occlusive DiseasesUltrasonography, Doppler, ColorAtherosclerosisUltrasonography, DopplerCoronary Artery BypassDisease ProgressionCerebrovascular CirculationPrevalenceCarotid Artery InjuriesReproducibility of ResultsTunica IntimaEmbolismTunica MediaMagnetic Resonance ImagingCarotid Intima-Media ThicknessAge FactorsCohort StudiesRiskObserver VariationRetinal Artery OcclusionDoppler EffectMiddle Cerebral ArteryMyocardial InfarctionCranial Nerve InjuriesProportional Hazards ModelsHemodynamicsMultivariate AnalysisCalcinosisSex FactorsRenal Artery ObstructionLogistic ModelsIntracranial Embolism and ThrombosisAortic Stenosis, SubvalvularAcetazolamideLife TablesMass ScreeningAortic Stenosis, SupravalvularBlood PressureVertebrobasilar InsufficiencyCoronary AngiographyCollateral CirculationCarotid Artery, Internal, DissectionPractice Guidelines as TopicCatheterization