Peripheral Arterial DiseasePeripheral Vascular DiseasesIntermittent ClaudicationVenous InsufficiencyAnkle Brachial IndexAnkleLower ExtremityLegVaricose VeinsVaricose UlcerDiosminVascular DiseasesBrachial ArteryArterial Occlusive DiseasesUltrasonography, Doppler, DuplexPhotoplethysmographyLeg UlcerVeinsIschemiaRisk FactorsWalkingTibial ArteriesChronic DiseaseSeverity of Illness IndexAmputationVascular Surgical ProceduresPostthrombotic SyndromeThromboangiitis ObliteransProspective StudiesFemoral VeinPeripheral NervesFemoral ArteryTime FactorsVenous ValvesPhlebitisPopliteal VeinPrevalenceTreatment OutcomeSaphenous VeinRisk AssessmentToesIliac VeinVenous ThrombosisDiagnostic Techniques, CardiovascularRegional Blood FlowVenous PressureCross-Sectional StudiesBlood PressureDiabetic AngiopathiesExercise TestPredictive Value of TestsFollow-Up StudiesPopliteal ArteryCase-Control StudiesCardiovascular DiseasesArteriosclerosis ObliteransStockings, CompressionBiological MarkersAtherosclerosisArteriesPlatelet Aggregation InhibitorsPlethysmographyPeripheral Nervous SystemPhlebographyOdds RatioPeripheral Nervous System DiseasesExercise ToleranceNebraskaScleroderma, LocalizedLimb SalvageArteriosclerosisBandagesHydroxyethylrutosideCalcium DobesilateAspirinBlood Pressure DeterminationFoot UlcerBlood Flow VelocityHydroxymethylglutaryl-CoA Reductase InhibitorsAngioplasty, BalloonAngiographySclerotherapyUltrasonography, Doppler, ColorQuality of LifeLogistic ModelsUltrasonography, DopplerCardiovascular AgentsRetrospective StudiesC-Reactive ProteinSloveniaCaliforniaSmokingDiabetic FootHindlimbBlood Gas Monitoring, TranscutaneousAge FactorsPostphlebitic SyndromeMuscle, SkeletalExercise TherapyMagnetic Resonance Angiography