Carotid Artery DiseasesCarotid ArteriesCarotid StenosisCarotid Artery, InternalEndarterectomy, CarotidCarotid Artery, CommonCoronary Artery DiseaseCarotid Artery, ExternalCarotid Artery ThrombosisArteriesEndarterectomyUltrasonography, Doppler, DuplexArterial Occlusive DiseasesIschemic Attack, TransientStentsMagnetic Resonance AngiographyRisk FactorsCoronary DiseaseCerebrovascular DisordersAmaurosis FugaxCerebral ArteriesCircle of WillisUltrasonography, Doppler, TranscranialUltrasonographyStrokeAngioplastyCerebrovascular CirculationCarotid Artery, Internal, DissectionAngiographyCarotid BodyCoronary Artery BypassCerebral AngiographyProspective StudiesTunica IntimaArteriosclerosisAngioplasty, BalloonAngiography, Digital SubtractionCarotid SinusBlood Flow VelocityTreatment OutcomeIntracranial ArteriosclerosisCoronary AngiographyTomography, X-Ray ComputedRetinal Artery OcclusionAcetazolamideIntracranial EmbolismOphthalmic ArteryTunica MediaPredictive Value of TestsFollow-Up StudiesTime FactorsBrain IschemiaConstriction, PathologicAsymptomatic DiseasesFemoral ArteryPulmonary ArterySeverity of Illness IndexIntracranial Embolism and ThrombosisEmbolismRetrospective StudiesCarotid Intima-Media ThicknessCerebral InfarctionRisk AssessmentVertebral ArteryCarotid Artery InjuriesUltrasonography, Doppler, ColorSensitivity and SpecificityRenal ArteryBasilar ArteryBlood PressureCoronary VesselsCollateral CirculationUltrasonography, DopplerPostoperative ComplicationsMesenteric ArteriesSubclavian ArteryBrachial ArteryRadial ArteryIliac ArteryPatient SelectionAtherosclerosisReproducibility of ResultsMagnetic Resonance ImagingMammary ArteriesMuscle, Smooth, VascularCatheterizationCoronary StenosisEndothelium, VascularMyocardial InfarctionCalcinosisExercise TestAngina PectorisMiddle Cerebral ArteryPrevalenceVasodilationAneurysmHemodynamicsRegional Blood FlowLogistic ModelsTomography, Emission-Computed, Single-Photon