Cerebral Arterial DiseasesPeripheral Arterial DiseasePeripheral Vascular DiseasesIntermittent ClaudicationAnkle Brachial IndexCerebral ArteriesAnkleArterial Occlusive DiseasesCerebral InfarctionLower ExtremityCerebral PalsyLegCerebrovascular CirculationMiddle Cerebral ArteryBrachial ArteryCerebral AngiographyIschemiaTibial ArteriesInfarction, Middle Cerebral ArteryRisk FactorsMalaria, CerebralBrain IschemiaBrainWalkingCerebral VeinsAmputationVascular DiseasesIntracranial Arterial DiseasesFemoral ArteryBlood PressureCerebral HemorrhageProspective StudiesToesThromboangiitis ObliteransPopliteal ArteryArteriesTime FactorsBlood Flow VelocityFollow-Up StudiesCerebrovascular DisordersTreatment OutcomeSeverity of Illness IndexVascular Surgical ProceduresDiabetic AngiopathiesRegional Blood FlowArteriosclerosis ObliteransPrevalenceAtherosclerosisIschemic Attack, TransientPerinephritisStrokeMagnetic Resonance AngiographyArteriosclerosisRisk AssessmentExercise TestMagnetic Resonance ImagingCardiovascular DiseasesPhotoplethysmographyPredictive Value of TestsCarotid Artery DiseasesAngiographyBiological MarkersConstriction, PathologicAngioplasty, BalloonCross-Sectional StudiesPlatelet Aggregation InhibitorsBlood Gas Monitoring, TranscutaneousAnterior Cerebral ArteryUltrasonography, Doppler, DuplexAngiography, Digital SubtractionCerebral Amyloid AngiopathyPosterior Cerebral ArteryUltrasonography, DopplerCerebral VentriclesCase-Control StudiesBrain EdemaTomography, X-Ray ComputedAspirinSubarachnoid HemorrhageLeg UlcerSpectroscopy, Near-InfraredCarotid ArteriesNebraskaLimb SalvageExercise ToleranceCarotid StenosisDiabetic FootOdds RatioRetrospective StudiesIntracranial Embolism and ThrombosisAuscultationPerfusion ImagingCardiovascular AgentsHydroxymethylglutaryl-CoA Reductase InhibitorsDisease Models, AnimalLaser-Doppler FlowmetryHypertensionBlood Pressure DeterminationVascular PatencyBrain Diseases