Blood Volume DeterminationBlood VolumeOcclusive DressingsCerebrovascular CirculationIliac ArteryEcho-Planar ImagingFemoral ArteryImage Interpretation, Computer-AssistedMagnetic Resonance ImagingVascular PatencyAorta, AbdominalAortic DiseasesPeripheral Vascular DiseasesPopliteal ArteryHistory, 21st CenturyConstriction, PathologicBrain MappingImage EnhancementIschemiaIntermittent ClaudicationAngiographyAngioplasty, BalloonLegVascular Surgical ProceduresIntracranial Arterial DiseasesAcetazolamideBrainTibial ArteriesLimb SalvageReproducibility of ResultsStentsCarotid Artery DiseasesSensitivity and SpecificityCarotid StenosisCerebral Arterial DiseasesCarotid Artery, InternalThrombosisMesenteric Vascular OcclusionTreatment OutcomePeripheral Arterial DiseaseBlood Vessel ProsthesisCerebrovascular DisordersAngioplastyMacedonia (Republic)PolytetrafluoroethyleneCarotid Artery ThrombosisBlood Vessel Prosthesis ImplantationArteriosclerosisCollateral CirculationUltrasonography, Doppler, DuplexAortic Aneurysm, AbdominalMoyamoya DiseaseCerebral AngiographyPolyethylene TerephthalatesAmputationSubclavian ArteryAngiography, Digital SubtractionAnastomosis, SurgicalAnkleLife TablesFollow-Up StudiesLower ExtremityRetrospective StudiesTime FactorsMagnetic Resonance AngiographyThromboangiitis ObliteransBrachiocephalic TrunkPostoperative ComplicationsIofetamineVascular DiseasesIntracranial ArteriosclerosisInguinal CanalPlethysmography, ImpedanceGraft Occlusion, VascularRetinal Artery OcclusionAxillary ArteryCeliac ArteryRisk FactorsCerebral ArteriesTakayasu ArteritisVertebrobasilar InsufficiencyAnkle Brachial IndexGangreneVascular GraftingProspective StudiesIliac VeinIschemic Attack, TransientVertebral ArteryAtherectomyBlood Flow VelocityVeinsAortic Arch SyndromesTemporal ArteriesRecurrenceCerebral InfarctionSeverity of Illness IndexCerebral RevascularizationPhlebographyAneurysmAortography