Carotid StenosisEndarterectomy, CarotidCarotid ArteriesCarotid Artery, InternalCarotid Artery DiseasesCarotid Artery, CommonCerebrovascular DisordersStrokeCarotid Artery, ExternalCarotid Artery ThrombosisArteriesPostoperative ComplicationsRisk FactorsAortic Valve StenosisCoronary StenosisCarotid Artery, Internal, DissectionCarotid BodyTunica IntimaSpinal StenosisStentsConstriction, PathologicCarotid SinusTracheal StenosisUltrasonography, Doppler, DuplexCerebral ArteriesCerebral AngiographyPulmonary ArteryAngioplasty, BalloonArterial Occlusive DiseasesTunica MediaFemoral ArteryMagnetic Resonance AngiographyAngiographyRenal ArteryVertebral ArteryAngiography, Digital SubtractionPyloric StenosisCarotid Intima-Media ThicknessIschemic Attack, TransientAngioplastyMitral Valve StenosisPulmonary Valve StenosisCarotid Artery InjuriesBasilar ArteryEndarterectomyTreatment OutcomeCatheterizationTomography, X-Ray ComputedArteriosclerosisRenal Artery ObstructionMesenteric ArteriesSubclavian ArteryBlood Flow VelocityIliac ArteryCerebrovascular CirculationCoronary Artery BypassIntracranial ArteriosclerosisProspective StudiesTime FactorsFollow-Up StudiesBrain IschemiaCoronary AngiographyRadial ArteryUltrasonography, Doppler, ColorCoronary VesselsUltrasonographyBlood PressureMiddle Cerebral ArteryBrachial ArteryUltrasonography, Doppler, TranscranialSeverity of Illness IndexRetrospective StudiesMuscle, Smooth, VascularIntracranial EmbolismOphthalmic ArteryPredictive Value of TestsAneurysmHemodynamicsMammary ArteriesAmaurosis FugaxUltrasonography, DopplerAtherosclerosisRegional Blood FlowCerebral InfarctionCalcinosisCoronary DiseaseCircle of WillisSensitivity and SpecificityIntracranial Embolism and ThrombosisCerebral RevascularizationIntracranial AneurysmVascular PatencyRecurrenceTemporal ArteriesCeliac ArteryEndothelium, VascularRetinal Artery OcclusionVasodilationCarotid Body TumorHyperplasia