Peripheral Vascular DiseasesVascular DiseasesHeartAmputationIntermittent ClaudicationHeart RateGangreneLegRisk FactorsIschemiaDiabetic AngiopathiesArteriosclerosisFemoral ArteryAnkleVascular Surgical ProceduresHeart DiseasesFootTime FactorsDiabetes ComplicationsProspective StudiesAngiographyCardiovascular DiseasesLower ExtremityArterial Occlusive DiseasesMetatarsusFoot UlcerToesCoronary DiseaseRetrospective StudiesHeart FailureDiabetic FootTreatment OutcomePeripheral Arterial DiseaseDiabetic NeuropathiesArteriosclerosis ObliteransPeripheral NervesArtificial LimbsCerebrovascular DisordersLeg UlcerFollow-Up StudiesRisk AssessmentBlood Gas Monitoring, TranscutaneousComorbidityAmputation StumpsBrachial ArteryDiabetes MellitusPopliteal ArteryHeart TransplantationCohort StudiesHomocysteinePredictive Value of TestsStrokeKidney Failure, ChronicHeart Defects, CongenitalRenal DialysisPrevalenceSeverity of Illness IndexAge FactorsPostoperative ComplicationsRegional Blood FlowCoronary Artery BypassFoot DiseasesThromboangiitis ObliteransHypertensionAngioplasty, BalloonAtherosclerosisDiabetes Mellitus, Type 2Biological MarkersCase-Control StudiesPlatelet Aggregation InhibitorsArteriovenous Shunt, SurgicalUltrasonography, Doppler, DuplexEndothelium, VascularLogistic ModelsCollagen DiseasesMyocardial InfarctionChi-Square DistributionArteriesAortic DiseasesMyocardial IschemiaBlood PressurePeripheral Nervous SystemNeovascularization, PhysiologicHyperlipoproteinemia Type IVPrognosisCoronary Artery DiseaseIncidenceRenal Artery ObstructionFetal HeartProportional Hazards ModelsPeripheral Nervous System DiseasesAngioplastyCarotid Artery DiseasesThrombosisCarotid StenosisSex FactorsMultivariate AnalysisRenal InsufficiencyVascular PatencyBlood Flow Velocity