Carotid ArteriesCarotid Artery DiseasesCarotid Artery, InternalCholesterolCarotid Artery, CommonCarotid StenosisCarotid Artery, ExternalEndarterectomy, CarotidArteriesCarotid Artery ThrombosisCholesterol, DietaryCholesterol, HDLCholesterol, LDLCarotid Artery, Internal, DissectionCholesterol EstersCarotid BodyTunica IntimaCarotid SinusCerebral ArteriesCholesterol OxidaseTunica MediaPulmonary ArteryArteriosclerosisFemoral ArteryCarotid Intima-Media ThicknessCerebral AngiographyStentsVertebral ArteryCholesterol 7-alpha-HydroxylaseCarotid Artery InjuriesBasilar ArteryUltrasonography, Doppler, DuplexRenal ArteryArterial Occlusive DiseasesRisk FactorsMesenteric ArteriesLipidsIschemic Attack, TransientAngioplasty, BalloonMagnetic Resonance AngiographyTime FactorsHypercholesterolemiaAngiographySubclavian ArteryEndarterectomyAngiography, Digital SubtractionAtherosclerosisAngioplastyCerebrovascular CirculationLipoproteinsTriglyceridesStrokeCoronary Artery BypassCholesterol, VLDLBlood PressureRadial ArteryIliac ArteryTomography, X-Ray ComputedTreatment OutcomeBrain IschemiaCerebrovascular DisordersBrachial ArteryMuscle, Smooth, VascularAnticholesteremic AgentsCatheterizationProspective StudiesMiddle Cerebral ArteryOphthalmic ArteryMammary ArteriesUltrasonographyAneurysmLipoproteins, HDLFollow-Up StudiesSterol O-AcyltransferaseBlood Flow VelocityIntracranial EmbolismEndothelium, VascularApolipoprotein A-IRabbitsSterolsIntracranial ArteriosclerosisUltrasonography, Doppler, ColorCoronary VesselsCoronary DiseaseCerebral InfarctionRegional Blood FlowHydroxymethylglutaryl CoA ReductasesIntracranial AneurysmUltrasonography, Doppler, TranscranialLipoproteins, LDLCircle of WillisVasodilationCarotid Body TumorTemporal ArteriesBile Acids and SaltsIntracranial Embolism and ThrombosisCerebral RevascularizationPredictive Value of TestsAmaurosis FugaxLigation