Graft Occlusion, VascularAortaVascular PatencyAorta, ThoracicSaphenous VeinBlood Vessel ProsthesisPolytetrafluoroethyleneArterial Occlusive DiseasesGraft SurvivalVeinsAmputationAorta, AbdominalBlood Vessel Prosthesis ImplantationIschemiaVascular GraftingPopliteal ArteryFemoral ArteryVascular Surgical ProceduresLegPolyethylene TerephthalatesCoronary Artery BypassPopliteal VeinTreatment OutcomeReoperationTibial ArteriesPostoperative ComplicationsInguinal CanalFemoral VeinTime FactorsLower ExtremityCoronary OcclusionCoronary-Subclavian Steal SyndromeLimb SalvageBalloon OcclusionThrombosisFollow-Up StudiesRetinal Vein OcclusionRetinal Artery OcclusionPeripheral Vascular DiseasesIntermittent ClaudicationRetrospective StudiesStentsUltrasonography, Doppler, DuplexTomography, X-Ray ComputedAspirinMarylandArteriesProspective StudiesCoronary AngiographyDental OcclusionFibrinolytic AgentsInternational Normalized RatioBostonAortic DiseasesRisk FactorsInfarction, Middle Cerebral ArteryTexasBrain IschemiaAnticoagulantsConstrictionCollateral CirculationAortographyRisk AssessmentMesenteric Vascular OcclusionDogsIliac ArteryConstriction, PathologicAnastomosis, SurgicalAortic CoarctationDisease Models, AnimalAngiographyKidney TransplantationCarotid Artery, InternalDental Occlusion, CentricTherapeutic OcclusionCerebral ArteriesEmbolization, TherapeuticCerebral InfarctionCerebral AngiographyAortic Aneurysm, ThoracicAortic Aneurysm, AbdominalProsthesis DesignCerebrovascular CirculationPrimary Graft DysfunctionCerebral Arterial DiseasesRegional Blood FlowReperfusionAortic AneurysmLiver TransplantationRabbitsAneurysm, DissectingMuscle, Smooth, VascularHemodynamicsBlood Flow VelocityIschemic Attack, TransientCoronary VesselsArteriosclerosisBlood PressureEndothelium, VascularArteriovenous Shunt, Surgical