Brachial ArteryCarotid ArteriesCarotid Artery DiseasesCarotid Artery, InternalCarotid Artery, CommonArteriesCarotid StenosisCarotid Artery, ExternalEndarterectomy, CarotidCarotid Artery ThrombosisVasodilationPulmonary ArteryFemoral ArteryCerebral ArteriesRegional Blood FlowEndothelium, VascularRadial ArteryCarotid Artery, Internal, DissectionRenal ArteryBasilar ArteryMesenteric ArteriesTunica IntimaForearmVertebral ArteryNitroglycerinCarotid BodySubclavian ArteryTunica MediaHyperemiaBlood Flow VelocityCarotid SinusCoronary Artery BypassIliac ArteryStentsArterial Occlusive DiseasesBlood PressureCarotid Intima-Media ThicknessCarotid Artery InjuriesCerebral AngiographyAngiographyVasodilator AgentsUltrasonography, DopplerMammary ArteriesAngioplasty, BalloonArteriosclerosisUlnar ArteryAxillary ArteryUltrasonography, Doppler, DuplexMagnetic Resonance AngiographyCoronary VesselsTime FactorsRisk FactorsOphthalmic ArteryMuscle, Smooth, VascularTreatment OutcomeMiddle Cerebral ArteryTomography, X-Ray ComputedSplenic ArteryIschemic Attack, TransientAneurysmAngiography, Digital SubtractionComplianceCerebrovascular CirculationHepatic ArteryAtherosclerosisAngioplastyEndarterectomyPulsatile FlowVasoconstrictionProspective StudiesCatheterizationTemporal ArteriesCeliac ArteryUltrasonography, Doppler, PulsedHemodynamicsBrain IschemiaUltrasonographyFollow-Up StudiesUltrasonography, Doppler, ColorStrokeMesenteric Artery, SuperiorCerebrovascular DisordersUmbilical ArteriesPopliteal ArteryRenal Artery ObstructionLigationCoronary AngiographyThoracic ArteriesAneurysm, FalseCoronary DiseaseConstriction, PathologicRetinal Artery OcclusionInjections, Intra-ArterialVascular PatencyPredictive Value of TestsBronchial ArteriesIntracranial AneurysmRetrospective StudiesPlethysmographyCerebral Infarction