Femoral ArteryGraft Occlusion, VascularAortaArteriesVascular PatencyArterial Occlusive DiseasesAorta, ThoracicSaphenous VeinBlood Vessel ProsthesisPolytetrafluoroethylenePopliteal ArteryIschemiaVeinsBlood Vessel Prosthesis ImplantationCoronary Artery BypassAorta, AbdominalGraft SurvivalLegAmputationVascular Surgical ProceduresTreatment OutcomeIliac ArteryVascular GraftingCarotid ArteriesPolyethylene TerephthalatesFemoral VeinTime FactorsPulmonary ArteryTibial ArteriesCerebral ArteriesReoperationPostoperative ComplicationsRenal ArteryStentsLower ExtremityPopliteal VeinLimb SalvageThrombosisFollow-Up StudiesUltrasonography, Doppler, DuplexMesenteric ArteriesIntermittent ClaudicationInguinal CanalPeripheral Vascular DiseasesAngiographyRetinal Artery OcclusionBasilar ArteryRegional Blood FlowRetrospective StudiesCoronary OcclusionTomography, X-Ray ComputedConstriction, PathologicBalloon OcclusionCarotid Artery, InternalRadial ArteryCoronary AngiographyAneurysm, FalseCoronary-Subclavian Steal SyndromeAngioplasty, BalloonMuscle, Smooth, VascularVertebral ArteryCatheterization, PeripheralCarotid Artery DiseasesProspective StudiesSubclavian ArteryLigationCoronary VesselsRetinal Vein OcclusionBrachial ArteryCollateral CirculationHindlimbDogsVasodilationCarotid Artery, CommonAlloysHemostatic TechniquesEndothelium, VascularVasoconstrictionBlood PressureAneurysmMammary ArteriesRisk FactorsInfarction, Middle Cerebral ArteryAspirinAortic DiseasesDisease Models, AnimalFibrinolytic AgentsRabbitsHepatic ArteryArteriosclerosisVasodilator AgentsCatheterizationCeliac ArteryAnastomosis, SurgicalTunica IntimaHemodynamicsSplenic ArteryConstrictionMarylandMesenteric Artery, Superior