Graft Occlusion, VascularRenal DialysisArteriovenous Shunt, SurgicalPolytetrafluoroethyleneBlood Vessel ProsthesisFluorocarbon PolymersVascular PatencyThrombectomyConstriction, PathologicThrombosisJugular VeinsCatheters, IndwellingAngioplasty, BalloonKidney Failure, ChronicProsthesis DesignHemodialysis, HomeSaphenous VeinArterial Occlusive DiseasesVeinsGraft SurvivalAmputationHemodialysis Units, HospitalIschemiaBlood Vessel Prosthesis ImplantationTreatment OutcomeVascular GraftingPopliteal ArteryFemoral ArteryVascular Surgical ProceduresTime FactorsHemodialysis SolutionsLegCoronary Artery BypassPopliteal VeinPolyethylene TerephthalatesReoperationTibial ArteriesPostoperative ComplicationsFemoral VeinFollow-Up StudiesInguinal CanalLower ExtremityCoronary-Subclavian Steal SyndromeCoronary OcclusionProspective StudiesRetrospective StudiesLimb SalvageBalloon OcclusionRetinal Vein OcclusionRetinal Artery OcclusionUremiaPeripheral Vascular DiseasesUltrasonography, Doppler, DuplexRisk FactorsIntermittent ClaudicationStentsKidneys, ArtificialAspirinMarylandTomography, X-Ray ComputedCoronary AngiographyFibrinolytic AgentsDental OcclusionArteriesAnticoagulantsInternational Normalized RatioRisk AssessmentKidney TransplantationBostonPeritoneal DialysisHemodiafiltrationInfarction, Middle Cerebral ArteryTexasBrain IschemiaErythropoietinKidney DiseasesCollateral CirculationMembranes, ArtificialHyperparathyroidism, SecondaryCatheterization, Central VenousMesenteric Vascular OcclusionConstrictionSerum AlbuminCarotid Artery, InternalHematinicsVascular Access DevicesDental Occlusion, CentricPeritoneal Dialysis, Continuous AmbulatoryRegional Blood FlowTherapeutic OcclusionDogsAngiographyAnastomosis, SurgicalBiological MarkersParathyroid HormoneBlood PressureCerebral AngiographyCerebral InfarctionEmbolization, TherapeuticCerebral Arteries