Carotid StenosisEndarterectomy, CarotidAsymptomatic DiseasesCarotid Artery DiseasesCarotid ArteriesCarotid Artery, InternalStrokeCarotid Artery, CommonCarotid BodyEndarterectomyIschemic Attack, TransientCerebrovascular DisordersCarotid SinusAngioplastyRisk FactorsUltrasonography, Doppler, DuplexProspective StudiesStentsUltrasonography, Doppler, TranscranialRetinal Artery OcclusionRisk AssessmentCarotid Artery, ExternalUltrasonographyArterial Occlusive DiseasesTreatment OutcomeFollow-Up StudiesPredictive Value of TestsSeverity of Illness IndexCerebral AngiographyTime FactorsTomography, X-Ray ComputedRetrospective StudiesCerebrovascular CirculationMagnetic Resonance AngiographyIntracranial ArteriosclerosisCerebral InfarctionArteriosclerosisCarotid Artery ThrombosisConstriction, PathologicUltrasonography, DopplerPatient SelectionBlood Flow VelocityRetinal ArteryCarotid Artery InjuriesRetinal VeinPostoperative ComplicationsBrain IschemiaAuscultationCarotid Intima-Media ThicknessAcetazolamideAsymptomatic InfectionsMedical Device RecallsTunica IntimaPlaque, AtheroscleroticTunica MediaCerebral ArteriesAortic Valve StenosisPrevalenceCoronary Artery BypassSensitivity and SpecificityCalcinosisIntracranial EmbolismCarotid Body TumorCarotid Artery, Internal, DissectionElectrocardiographyEchocardiographyUltrasonography, Doppler, ColorCoronary Artery DiseaseMagnetic Resonance ImagingBrugada SyndromeAortic Valve InsufficiencyBiological MarkersPrognosisTomography, Emission-Computed, Single-PhotonVascular CalcificationAngioplasty, BalloonDisease ProgressionWolff-Parkinson-White SyndromeRecurrenceVentricular Dysfunction, LeftExercise TestAnatomic VariationReproducibility of ResultsAtherosclerosisWatchful WaitingDecision Support TechniquesDeath, Sudden, CardiacEchocardiography, DopplerEchocardiography, StressIncidental FindingsPerioperative PeriodCohort StudiesStroke VolumeDiabetic AngiopathiesSyncopeBlood PressureElectrophysiologic Techniques, CardiacAortic ValveLogistic ModelsChemoreceptor Cells