Saphenous VeinVeinsVaricose VeinsFemoral VeinVenous InsufficiencyGraft Occlusion, VascularPortal VeinPopliteal VeinMammary ArteriesJugular VeinsTissue and Organ HarvestingCoronary Artery BypassVascular PatencyPulmonary VeinsUltrasonography, Doppler, DuplexVascular Surgical ProceduresLegLaser TherapyIliac VeinUmbilical VeinsMesenteric VeinsRenal VeinsEcchymosisSclerotherapyAngioplasty, LaserVascular GraftingTreatment OutcomePopliteal ArteryHepatic VeinsVenous ValvesPolytetrafluoroethyleneFemoral ArterySclerosing SolutionsMuscle, Smooth, VascularSumatriptanAngioscopyRadial ArteryTime FactorsSubclavian VeinAxillary VeinSplenic VeinAneurysmFollow-Up StudiesThoracic ArteriesPostoperative ComplicationsCerebral VeinsBlood Vessel ProsthesisAnastomosis, SurgicalIschemiaReoperationEndothelium, VascularEndoscopyTibial ArteriesRetinal VeinVenous ThrombosisAzygos VeinBrachiocephalic VeinsVaricose UlcerPhlebitisVasoconstrictor AgentsStentsLower ExtremityGroinUltrasonography, Doppler, ColorProspective StudiesCoronary AngiographyBlood Vessel Prosthesis ImplantationLigationPhlebographyDogsRetinal Vein OcclusionVenous PressureInternal Mammary-Coronary Artery AnastomosisUltrasonography, InterventionalArterial Occlusive DiseasesNorepinephrineEmbolic Protection DevicesThighMethiothepinEmbolismRecurrenceMethoxamineLysergic AcidVasoconstrictionRetrospective StudiesTransplantation, AutologousTunica IntimaConstriction, PathologicInguinal CanalArteriesThrombophlebitisMuscle ContractionCatheterization, PeripheralParesthesiaThrombosisArteriovenous Shunt, SurgicalFasciaStockings, CompressionHyperplasiaArteriovenous Fistula