Saphenous VeinVeinsVenous InsufficiencyVaricose VeinsVaricose UlcerFemoral VeinUltrasonography, Doppler, DuplexVenous ValvesStockings, CompressionLegVenous ThrombosisPortal VeinPhlebographyVascular Surgical ProceduresJugular VeinsPulmonary VeinsArteriovenous Shunt, SurgicalUltrasonography, Doppler, ColorGraft Occlusion, VascularPulmonary EmbolismPopliteal VeinIliac VeinUmbilical VeinsMesenteric VeinsChronic DiseaseRenal VeinsTreatment OutcomeVascular PatencyTissue and Organ HarvestingMammary ArteriesHepatic VeinsProspective StudiesCoronary Artery BypassSubclavian VeinSplenic VeinLaser TherapyCerebral VeinsAxillary VeinCitrate (si)-SynthaseSclerotherapyVascular GraftingAzygos VeinBrachiocephalic VeinsEcchymosisAngioplasty, LaserPopliteal ArteryPolytetrafluoroethyleneRetinal Vein OcclusionFemoral ArterySclerosing SolutionsMuscle, Smooth, VascularTime FactorsAngioscopySumatriptanEndothelium, VascularRadial ArteryFollow-Up StudiesAneurysmAnastomosis, SurgicalPostoperative ComplicationsBlood Vessel ProsthesisIschemiaReoperationThoracic ArteriesEndoscopyEphrin-A3Lower ExtremityPhlebitisLigationThrombophlebitisVasoconstrictor AgentsDogsStentsVena Cava, InferiorBlood Vessel Prosthesis ImplantationGroinTibial ArteriesConstriction, PathologicRecurrenceNorepinephrineUltrasonography, InterventionalRetrospective StudiesThighArterial Occlusive DiseasesCatheter AblationVasoconstrictionCoronary AngiographyTunica IntimaArteriesInternal Mammary-Coronary Artery AnastomosisCatheterization, PeripheralThrombosisTransplantation, AutologousEmbolismEmbolic Protection Devices8-Hydroxy-2-(di-n-propylamino)tetralinArteriovenous FistulaVenae CavaeLysergic AcidInguinal Canal