Carotid StenosisEndarterectomy, CarotidCarotid ArteriesCarotid Artery DiseasesCarotid Artery, InternalCarotid Artery, CommonAortic Valve StenosisUltrasonography, Doppler, DuplexEndarterectomyIschemic Attack, TransientConstriction, PathologicStentsAngioplastyCoronary StenosisStrokeCerebrovascular DisordersCarotid BodyCarotid Artery, ExternalSpinal StenosisCarotid SinusTracheal StenosisUltrasonography, Doppler, TranscranialMagnetic Resonance AngiographyRisk FactorsAngiography, Digital SubtractionAmaurosis FugaxCerebral AngiographyAngioplasty, BalloonSeverity of Illness IndexCarotid Artery ThrombosisAngiographyProspective StudiesTreatment OutcomePyloric StenosisFollow-Up StudiesIntracranial EmbolismMitral Valve StenosisUltrasonographyPulmonary Valve StenosisBlood Flow VelocityArterial Occlusive DiseasesUltrasonography, Doppler, ColorPredictive Value of TestsIntracranial ArteriosclerosisAuscultationUltrasonography, DopplerRetrospective StudiesTime FactorsBrain IschemiaCerebrovascular CirculationAsymptomatic DiseasesPostoperative ComplicationsRecurrenceTomography, X-Ray ComputedSensitivity and SpecificityArteriosclerosisRisk AssessmentCarotid Artery InjuriesTunica IntimaVentricular Dysfunction, LeftEmbolismTunica MediaCarotid Intima-Media ThicknessHemodynamicsErectile DysfunctionCerebral InfarctionObserver VariationRetinal Artery OcclusionDoppler EffectMiddle Cerebral ArteryCranial Nerve InjuriesBlood PressurePatient SelectionCalcinosisRenal Artery ObstructionAtherosclerosisReproducibility of ResultsPlaque, AtheroscleroticMagnetic Resonance ImagingIntracranial Embolism and ThrombosisLife TablesSystoleAortic Stenosis, SubvalvularAcetazolamideCoronary AngiographyAortic Stenosis, SupravalvularVertebrobasilar InsufficiencyCollateral CirculationDisease ProgressionContrast MediaCoronary Artery BypassCarotid Artery, Internal, DissectionCatheterizationCoronary DiseaseVascular PatencyCarotid Body TumorCoronary Artery DiseaseBlood Vessel ProsthesisAortic ValveAge Factors