Vascular DiseasesPeripheral Vascular DiseasesCollagen DiseasesHomocysteineArteriosclerosisAtherosclerosisRisk FactorsDiabetic AngiopathiesEndothelium, VascularMuscle, Smooth, VascularCerebrovascular DisordersAmputationCardiovascular DiseasesHyperhomocysteinemiaIschemiaBlood VesselsMyocytes, Smooth MuscleHypertension, PulmonaryArterial Occlusive DiseasesEndothelial CellsAortaIntermittent ClaudicationCarotid ArteriesTunica IntimaLegDementia, VascularStrokeFemoral ArteryVascular Surgical ProceduresHypertensionCells, CulturedVasculitisArteriesCarotid Artery DiseasesThrombosisTime FactorsProspective StudiesDiabetes MellitusGangreneDiabetes ComplicationsCoronary DiseaseAngiographyBiological MarkersHomocystineVitamin B 12Peripheral Arterial DiseaseComorbidityBrachial ArteryRisk AssessmentFollow-Up StudiesNitric OxideCohort StudiesNeovascularization, PhysiologicBlood PressurePulmonary ArteryDiabetes Mellitus, Type 2Oxidoreductases Acting on CH-NH Group DonorsScleroderma, SystemicFolic AcidAortic DiseasesRetrospective StudiesTreatment OutcomeTunica MediaOxidative StressAge FactorsNitric Oxide Synthase Type IIICarotid Artery InjuriesCase-Control StudiesPlatelet Aggregation InhibitorsNeointimaInflammationPrevalenceVasodilationEndarteritisLower ExtremityAnkleAortic Aneurysm, AbdominalAorta, AbdominalCarotid StenosisPyridoxineCoronary Artery DiseasePredictive Value of TestsHyperplasiaCalcinosisKidney Failure, ChronicAnkle Brachial IndexMethylenetetrahydrofolate Reductase (NADPH2)Signal TransductionCystathionine beta-SynthaseDisease Models, AnimalRegional Blood FlowFootArtificial LimbsVasa VasorumApolipoproteins EVitamin B 6HyperlipidemiasRetinal VesselsLipoprotein(a)Hydroxymethylglutaryl-CoA Reductase Inhibitors