Cerebral Arterial DiseasesPeripheral Arterial DiseasePeripheral Vascular DiseasesIntermittent ClaudicationAnkle Brachial IndexCerebral ArteriesAnkleArterial Occlusive DiseasesCerebral InfarctionLower ExtremityLegCerebral PalsyCerebrovascular CirculationMiddle Cerebral ArteryBrachial ArteryRisk FactorsCerebral AngiographyIschemiaTibial ArteriesBrainInfarction, Middle Cerebral ArteryProspective StudiesBrain IschemiaMalaria, CerebralWalkingCerebral VeinsTime FactorsAmputationVascular DiseasesFollow-Up StudiesIntracranial Arterial DiseasesSensitivity and SpecificityTreatment OutcomeFemoral ArteryBlood PressureCerebral HemorrhagePredictive Value of TestsToesSeverity of Illness IndexMagnetic Resonance ImagingRetrospective StudiesThromboangiitis ObliteransArteriesPopliteal ArteryPrevalenceDelayed DiagnosisTomography, X-Ray ComputedBlood Flow VelocityPrenatal DiagnosisCerebrovascular DisordersRisk AssessmentEarly DiagnosisBiological MarkersVascular Surgical ProceduresMagnetic Resonance AngiographyDiabetic AngiopathiesStrokeRegional Blood FlowIschemic Attack, TransientReproducibility of ResultsCross-Sectional StudiesAtherosclerosisArteriosclerosis ObliteransCase-Control StudiesPerinephritisCardiovascular DiseasesExercise TestArteriosclerosisPrognosisAngiographyPhotoplethysmographyConstriction, PathologicCarotid Artery DiseasesCohort StudiesUltrasonography, DopplerAngioplasty, BalloonAngiography, Digital SubtractionDiagnosisUltrasonography, Doppler, DuplexPlatelet Aggregation InhibitorsUltrasonographyAge FactorsBlood Gas Monitoring, TranscutaneousAnterior Cerebral ArteryCerebral VentriclesCerebral Amyloid AngiopathyIncidenceOdds RatioPosterior Cerebral ArterySubarachnoid HemorrhageComorbidityBrain EdemaAspirinBrain DiseasesLeg UlcerSpectroscopy, Near-InfraredCarotid ArteriesNebraskaLogistic ModelsAuscultation