Peripheral Vascular DiseasesVascular DiseasesAmputationIntermittent ClaudicationGangreneLegIschemiaRisk FactorsDiabetic AngiopathiesArteriosclerosisFemoral ArteryAnkleVascular Surgical ProceduresFootAngiographyDiabetes ComplicationsLower ExtremityArterial Occlusive DiseasesMetatarsusFoot UlcerToesCardiovascular DiseasesProspective StudiesDiabetic FootTime FactorsRetrospective StudiesPeripheral Arterial DiseaseArteriosclerosis ObliteransDiabetic NeuropathiesPeripheral NervesArtificial LimbsCerebrovascular DisordersLeg UlcerBlood Gas Monitoring, TranscutaneousAmputation StumpsTreatment OutcomePopliteal ArteryBrachial ArteryCoronary DiseaseComorbidityRisk AssessmentDiabetes MellitusHomocysteineFollow-Up StudiesRenal DialysisKidney Failure, ChronicCoronary Artery BypassFoot DiseasesStrokeThromboangiitis ObliteransHypertensionCohort StudiesPostoperative ComplicationsAngioplasty, BalloonPredictive Value of TestsPrevalenceRegional Blood FlowAtherosclerosisSeverity of Illness IndexAge FactorsPlatelet Aggregation InhibitorsUltrasonography, Doppler, DuplexArteriovenous Shunt, SurgicalDiabetes Mellitus, Type 2Collagen DiseasesEndothelium, VascularBlood PressureLogistic ModelsCase-Control StudiesNeovascularization, PhysiologicPeripheral Nervous SystemHyperlipoproteinemia Type IVAortic DiseasesCoronary Artery DiseaseRenal Artery ObstructionArteriesPeripheral Nervous System DiseasesBiological MarkersChi-Square DistributionAngioplastyCarotid StenosisCarotid Artery DiseasesThrombosisMultivariate AnalysisVascular PatencyFees and ChargesElectric Stimulation TherapyIncidenceBlood Pressure DeterminationRenal InsufficiencyPrognosisProportional Hazards ModelsWalkingOdds RatioSex FactorsHeart DiseasesBlood Flow VelocityBlood ViscosityAortic Aneurysm, AbdominalRisk