Carotid StenosisCarotid Artery DiseasesCarotid ArteriesEndarterectomy, CarotidCarotid Artery, InternalAsymptomatic DiseasesCerebrovascular DisordersCarotid Artery, CommonStrokeCoronary Artery DiseaseRisk FactorsStentsEndarterectomyCarotid Artery, ExternalUltrasonography, Doppler, DuplexProspective StudiesIschemic Attack, TransientCarotid Artery ThrombosisUltrasonography, Doppler, TranscranialAuscultationAngioplastyArteriesArterial Occlusive DiseasesMagnetic Resonance AngiographyUltrasonographyArteriosclerosisIntracranial ArteriosclerosisCoronary Artery BypassTreatment OutcomeCerebral AngiographyFollow-Up StudiesIntracranial EmbolismCoronary DiseaseAmaurosis FugaxCerebral ArteriesPredictive Value of TestsSeverity of Illness IndexCircle of WillisRisk AssessmentCerebrovascular CirculationCarotid Artery, Internal, DissectionTime FactorsAngiographyTomography, X-Ray ComputedCarotid BodyBrain IschemiaCerebral InfarctionPostoperative ComplicationsTunica IntimaRetrospective StudiesAngioplasty, BalloonAngiography, Digital SubtractionCarotid SinusBlood Flow VelocityCoronary AngiographySensitivity and SpecificityRetinal Artery OcclusionAcetazolamideOphthalmic ArteryTunica MediaConstriction, PathologicFemoral ArteryPulmonary ArteryPatient SelectionIntracranial Embolism and ThrombosisAtherosclerosisPlaque, AtheroscleroticEmbolismCarotid Intima-Media ThicknessPrevalenceVertebral ArteryCarotid Artery InjuriesUltrasonography, Doppler, ColorRenal ArteryBasilar ArteryBlood PressureMyocardial InfarctionReproducibility of ResultsCoronary VesselsMagnetic Resonance ImagingCollateral CirculationUltrasonography, DopplerMesenteric ArteriesLogistic ModelsSubclavian ArteryBrachial ArteryDisease ProgressionRadial ArteryIliac ArteryRecurrenceMammary ArteriesMuscle, Smooth, VascularCatheterizationCoronary StenosisCohort StudiesEndothelium, VascularAge FactorsCalcinosisExercise TestAngina Pectoris