Femoral VeinFemoral ArteryArterial Occlusive DiseasesIliac ArteryVeinsCatheterization, PeripheralSaphenous VeinVascular PatencyLegArteriesUltrasonography, Doppler, DuplexPopliteal ArteryBlood Vessel Prosthesis ImplantationIschemiaHemostatic TechniquesAngiographyConstriction, PathologicTibial ArteriesPopliteal VeinPuncturesEndarterectomyLower ExtremityIliac VeinAngioplasty, BalloonVaricose VeinsAneurysm, FalseVascular Surgical ProceduresRegional Blood FlowIntermittent ClaudicationTreatment OutcomeBlood Vessel ProsthesisPortal VeinAneurysm, InfectedStentsPulmonary ArteryAneurysmLimb SalvageReoperationCarotid ArteriesAorta, AbdominalPeripheral Vascular DiseasesTime FactorsLife TablesVenous InsufficiencyPhlebographyVenous ValvesBlood Flow VelocityJugular VeinsVenous ThrombosisRenal ArteryTunica IntimaMesenteric ArteriesCerebral ArteriesThighFollow-Up StudiesRetrospective StudiesLigationPulmonary VeinsMesenteric VeinsBasilar ArteryProspective StudiesDogsRadial ArteryCatheterizationThrombophlebitisThrombosisSubclavian VeinCardiac CatheterizationVasoconstrictionHepatic VeinsBrachial ArteryVascular MalformationsHindlimbVertebral ArteryPolytetrafluoroethyleneCoronary Artery BypassVascular GraftingMammary ArteriesMuscle, Smooth, VascularVena Cava, InferiorSubclavian ArteryBlood PressureCarotid Artery, CommonVenous PressureUltrasonography, Doppler, ColorArteriovenous Shunt, SurgicalAlloysCarotid Artery DiseasesCatheterization, Central VenousRenal VeinsCarotid Artery, InternalHepatic ArteryVasodilationGraft Occlusion, VascularEndothelium, VascularHemodynamicsPolyethylene TerephthalatesUmbilical VeinsCoronary VesselsVasodilator Agents