Radial ArteryCarotid ArteriesCarotid Artery DiseasesCarotid Artery, InternalCarotid Artery, CommonCarotid StenosisCarotid Artery, ExternalEndarterectomy, CarotidCarotid Artery ThrombosisArteriesCarotid Artery, Internal, DissectionCarotid BodyTunica IntimaCarotid SinusCerebral ArteriesPulmonary ArteryTunica MediaCerebral AngiographyFemoral ArteryStentsVertebral ArteryCarotid Intima-Media ThicknessCarotid Artery InjuriesBasilar ArteryUltrasonography, Doppler, DuplexArterial Occlusive DiseasesRenal ArteryMesenteric ArteriesMagnetic Resonance AngiographyIschemic Attack, TransientAngiographyAngioplasty, BalloonSubclavian ArteryAngiography, Digital SubtractionArteriosclerosisEndarterectomyCerebrovascular CirculationAngioplastyTomography, X-Ray ComputedMammary ArteriesCoronary Artery BypassIliac ArteryTime FactorsTreatment OutcomeStrokeBrain IschemiaCerebrovascular DisordersCatheterizationMuscle, Smooth, VascularRisk FactorsBrachial ArteryAneurysmMiddle Cerebral ArteryOphthalmic ArteryUltrasonographyBlood PressureBlood Flow VelocityIntracranial EmbolismProspective StudiesUltrasonography, Doppler, ColorIntracranial AneurysmCircle of WillisIntracranial ArteriosclerosisCoronary VesselsCerebral InfarctionRegional Blood FlowAtherosclerosisUltrasonography, Doppler, TranscranialFollow-Up StudiesCerebral RevascularizationTemporal ArteriesRetinal Artery OcclusionIntracranial Embolism and ThrombosisEndothelium, VascularLigationEmbolization, TherapeuticJugular VeinsCarotid Body TumorAmaurosis FugaxVasodilationCavernous SinusRetrospective StudiesSplenic ArteryUltrasonography, DopplerConstriction, PathologicHepatic ArteryPostoperative ComplicationsPredictive Value of TestsHyperplasiaHemodynamicsThoracic ArteriesRabbitsCeliac ArteryReproducibility of ResultsVasoconstrictionSeverity of Illness IndexBlood Vessel Prosthesis ImplantationMesenteric Artery, SuperiorPlaque, AtheroscleroticSensitivity and Specificity