Ultrasonography, Doppler, DuplexUltrasonography, Doppler, ColorVenous InsufficiencyVaricose VeinsCarotid StenosisUltrasonographySaphenous VeinFemoral VeinVascular PatencyLegBlood Flow VelocityUltrasonography, InterventionalVeinsUltrasonicsCarotid Artery, InternalUltrasonic TherapyVascular Surgical ProceduresEndarterectomy, CarotidVenous ThrombosisLower ExtremityPhlebographyPopliteal VeinSensitivity and SpecificityBlood Vessel Prosthesis ImplantationPopliteal ArteryProspective StudiesConstriction, PathologicPredictive Value of TestsAngiographyVaricose UlcerArterial Occlusive DiseasesHigh-Intensity Focused Ultrasound AblationFemoral ArteryMagnetic Resonance AngiographyUltrasonography, DopplerTreatment OutcomeGraft Occlusion, VascularTime FactorsAngiography, Digital SubtractionIothalamate MeglumineStentsTibial ArteriesMicrobubblesIschemiaSclerotherapyFollow-Up StudiesRecurrenceRetrospective StudiesArteriovenous Shunt, SurgicalBlood Vessel ProsthesisIliac VeinAngioplastyReproducibility of ResultsThrombophlebitisUltrasonography, PrenatalAneurysmSodium Tetradecyl SulfateSeverity of Illness IndexAmaurosis FugaxAngioplasty, BalloonRegional Blood FlowNucleic Acid ConformationPolytetrafluoroethyleneTomography, X-Ray ComputedPeripheral Vascular DiseasesRenal Artery ObstructionAortic Aneurysm, AbdominalReoperationLaser TherapySclerosing SolutionsCarotid ArteriesPreoperative CareTransducersLeg UlcerNucleic Acid DenaturationGroinCatheterization, PeripheralDNAMesenteric Vascular OcclusionCarotid Artery DiseasesPlethysmographyContrast MediaStockings, CompressionSubclavian VeinUltrasonography, Doppler, TranscranialEndovascular ProceduresCeliac ArteryIliac ArteryAortographyCarotid Artery, ExternalLife TablesAnkle Brachial IndexPostoperative ComplicationsNucleic Acid HeteroduplexesVenous PressureBase PairingRisk FactorsRenal ArteryProsthesis FailureAlloys