Carotid-Cavernous Sinus FistulaRadial ArteryCarotid ArteriesCarotid Artery DiseasesCarotid Artery, InternalCarotid StenosisCarotid Artery, CommonEndarterectomy, CarotidCarotid Artery, ExternalCarotid Artery ThrombosisCarotid BodyArteriesCarotid SinusCarotid Artery, Internal, DissectionTunica IntimaCarotid Artery InjuriesTunica MediaCarotid Intima-Media ThicknessCerebral AngiographyCerebral ArteriesStentsUltrasonography, Doppler, DuplexFemoral ArteryEndarterectomyPulmonary ArteryVertebral ArteryIschemic Attack, TransientArterial Occlusive DiseasesMagnetic Resonance AngiographyArteriosclerosisAngioplasty, BalloonAngioplastyAngiographyAngiography, Digital SubtractionBasilar ArteryCerebrovascular CirculationStrokeRenal ArteryCerebrovascular DisordersCarotid Body TumorSubclavian ArteryRisk FactorsMesenteric ArteriesBrain IschemiaTomography, X-Ray ComputedTreatment OutcomeTime FactorsUltrasonographyIntracranial EmbolismCatheterizationBlood PressureBlood Flow VelocityCoronary Artery BypassMuscle, Smooth, VascularMammary ArteriesIliac ArteryProspective StudiesAtherosclerosisIntracranial ArteriosclerosisAneurysmBrachial ArteryUltrasonography, Doppler, TranscranialUltrasonography, Doppler, ColorMiddle Cerebral ArteryAmaurosis FugaxCircle of WillisCerebral InfarctionIntracranial AneurysmFollow-Up StudiesRegional Blood FlowIntracranial Embolism and ThrombosisCerebral RevascularizationJugular VeinsCavernous SinusOphthalmic ArteryUltrasonography, DopplerLigationRetrospective StudiesPredictive Value of TestsPostoperative ComplicationsEndothelium, VascularEmbolization, TherapeuticConstriction, PathologicPlaque, AtheroscleroticVasodilationTemporal ArteriesChemoreceptor CellsRetinal Artery OcclusionHyperplasiaCoronary VesselsHemodynamicsSeverity of Illness IndexRisk AssessmentCalcinosisRabbitsReproducibility of ResultsMagnetic Resonance ImagingSensitivity and SpecificityBalloon OcclusionCompliance