Carotid StenosisCarotid Artery DiseasesCarotid ArteriesEndarterectomy, CarotidCarotid Artery, InternalCarotid Artery, CommonCarotid BodyCarotid SinusStrokeIschemic Attack, TransientEndarterectomyCerebrovascular DisordersUltrasonography, Doppler, DuplexRetinal Artery OcclusionCarotid Artery, ExternalIntracranial ArteriosclerosisAngioplastyArterial Occlusive DiseasesUltrasonography, Doppler, TranscranialCarotid Artery ThrombosisRisk FactorsStentsCerebral AngiographyRetinal ArteryCarotid Artery InjuriesRetinal VeinCerebrovascular CirculationUltrasonographyArteriosclerosisCerebral InfarctionConstriction, PathologicCarotid Intima-Media ThicknessMagnetic Resonance AngiographyAcetazolamideBlood Flow VelocityProspective StudiesUltrasonography, DopplerTunica IntimaBrain IschemiaTunica MediaCerebral ArteriesTreatment OutcomeRisk AssessmentSeverity of Illness IndexPredictive Value of TestsTime FactorsFollow-Up StudiesTomography, X-Ray ComputedPostoperative ComplicationsCarotid Body TumorCarotid Artery, Internal, DissectionCoronary Artery BypassRetrospective StudiesPatient SelectionPrevalenceChemoreceptor CellsAngioplasty, BalloonIntracranial EmbolismAngiography, Digital SubtractionPressoreceptorsAngiographyAtherosclerosisBlood PressureAmaurosis FugaxPlaque, AtheroscleroticUltrasonography, Doppler, ColorCavernous SinusCranial Nerve InjuriesCatheterizationIntracranial Embolism and ThrombosisVertebral ArteryJugular VeinsCircle of WillisCerebral RevascularizationAsymptomatic DiseasesRegional Blood FlowAuscultationSodium CyanideRecurrenceCervical PlexusAneurysmIntracranial AneurysmHemodynamicsComplianceCalcinosisMuscle, Smooth, VascularMagnetic Resonance ImagingLigationHyperplasiaReflexCollateral CirculationEmbolization, TherapeuticEmbolismHypertensionFemoral ArteryIntraoperative ComplicationsBaroreflexConstrictionNeckAnoxia