Cerebral Arterial DiseasesPeripheral Arterial DiseasePeripheral Vascular DiseasesCarotid ArteriesCarotid StenosisCarotid Artery DiseasesEndarterectomy, CarotidIntermittent ClaudicationCarotid Artery, InternalCarotid Artery, CommonCerebral ArteriesAnkle Brachial IndexCarotid BodyArterial Occlusive DiseasesAnkleCarotid SinusCerebral InfarctionCerebrovascular CirculationLower ExtremityCarotid Artery, ExternalLegCerebral AngiographyCerebral PalsyMiddle Cerebral ArteryBrachial ArteryRisk FactorsCarotid Artery ThrombosisBrain IschemiaCarotid Intima-Media ThicknessCarotid Artery InjuriesIschemiaTunica IntimaBrainBlood PressureInfarction, Middle Cerebral ArteryTibial ArteriesIschemic Attack, TransientCerebrovascular DisordersProspective StudiesTunica MediaStrokeArteriosclerosisUltrasonography, Doppler, DuplexFemoral ArteryBlood Flow VelocityTime FactorsMalaria, CerebralWalkingVascular DiseasesMagnetic Resonance AngiographyCerebral VeinsIntracranial Arterial DiseasesTreatment OutcomeAmputationAtherosclerosisFollow-Up StudiesArteriesAngioplasty, BalloonSeverity of Illness IndexEndarterectomyAngiographyCerebral HemorrhageAngiography, Digital SubtractionRegional Blood FlowRisk AssessmentToesPredictive Value of TestsPopliteal ArteryThromboangiitis ObliteransVascular Surgical ProceduresAngioplastyStentsMagnetic Resonance ImagingCarotid Artery, Internal, DissectionTomography, X-Ray ComputedCarotid Body TumorPrevalenceUltrasonographyDiabetic AngiopathiesConstriction, PathologicUltrasonography, DopplerCardiovascular DiseasesBiological MarkersIntracranial Embolism and ThrombosisRetrospective StudiesArteriosclerosis ObliteransCross-Sectional StudiesPerinephritisAuscultationExercise TestPlatelet Aggregation InhibitorsPhotoplethysmographyAnterior Cerebral ArteryCerebral RevascularizationHypertensionIntracranial AneurysmCase-Control StudiesAsymptomatic DiseasesOdds RatioDisease Models, Animal