Radial ArteryCordotomyCervical VertebraeCarotid ArteriesSpinal CordCarotid Artery DiseasesCarotid Artery, InternalCarotid Artery, CommonCarotid StenosisCarotid Artery, ExternalEndarterectomy, CarotidCarotid Artery ThrombosisArteriesCarotid Artery, Internal, DissectionCarotid BodyTunica IntimaCarotid SinusCerebral ArteriesTunica MediaPulmonary ArteryCerebral AngiographyFemoral ArteryStentsVertebral ArteryCarotid Intima-Media ThicknessCarotid Artery InjuriesUltrasonography, Doppler, DuplexBasilar ArteryArterial Occlusive DiseasesRenal ArteryMesenteric ArteriesMagnetic Resonance AngiographyAngioplasty, BalloonIschemic Attack, TransientAngiographyAngiography, Digital SubtractionArteriosclerosisSubclavian ArteryEndarterectomyCerebrovascular CirculationAngioplastyTomography, X-Ray ComputedCoronary Artery BypassMammary ArteriesIliac ArteryTime FactorsStrokeBrain IschemiaTreatment OutcomeCerebrovascular DisordersMuscle, Smooth, VascularCatheterizationRisk FactorsBrachial ArteryMiddle Cerebral ArteryAneurysmUltrasonographyOphthalmic ArteryBlood PressureBlood Flow VelocityProspective StudiesIntracranial EmbolismUltrasonography, Doppler, ColorIntracranial AneurysmCoronary VesselsCircle of WillisAtherosclerosisIntracranial ArteriosclerosisRegional Blood FlowUltrasonography, Doppler, TranscranialFollow-Up StudiesCerebral InfarctionEndothelium, VascularCerebral RevascularizationTemporal ArteriesVasodilationIntracranial Embolism and ThrombosisJugular VeinsCarotid Body TumorAmaurosis FugaxLigationRetrospective StudiesEmbolization, TherapeuticCavernous SinusConstriction, PathologicUltrasonography, DopplerPredictive Value of TestsSplenic ArteryPostoperative ComplicationsRetinal Artery OcclusionRabbitsHyperplasiaHemodynamicsHepatic ArteryReproducibility of ResultsVasoconstrictionSensitivity and SpecificityCeliac ArteryThoracic ArteriesSeverity of Illness Index