VeinsSaphenous VeinPortal VeinVaricose VeinsFemoral VeinPulmonary VeinsJugular VeinsMesenteric VeinsRenal VeinsUmbilical VeinsIliac VeinHepatic VeinsPopliteal VeinSubclavian VeinSplenic VeinCerebral VeinsRetinal VeinAzygos VeinBrachiocephalic VeinsAxillary VeinRetinal Vein OcclusionVenous ThrombosisDangerous BehaviorVenous InsufficiencyVena Cava, InferiorGraft Occlusion, VascularUltrasonography, Doppler, DuplexHuman Umbilical Vein Endothelial CellsVascular PatencyLegThrombophlebitisVascular Surgical ProceduresEndothelium, VascularVascular GraftingTreatment OutcomeCatheter AblationVenous PressureConstriction, PathologicVenae CavaeUltrasonography, Doppler, ColorSclerotherapyAnastomosis, SurgicalTime FactorsArteriovenous Shunt, SurgicalVenous ValvesLiver CirculationTissue and Organ HarvestingHypertension, PortalLigationVaricose UlcerPortal SystemPulmonary Veno-Occlusive DiseaseAtrial FibrillationVein of Galen MalformationsDeoxyuracil NucleotidesCatheterization, Central VenousForkhead Transcription FactorsArteriovenous FistulaBlood Vessel ProsthesisFemoral ArteryMuscle, Smooth, VascularThrombosisTomography, X-Ray ComputedCatheterization, PeripheralEndothelial CellsVena Cava, SuperiorFollow-Up StudiesHeart AtriaRegional Blood FlowPostoperative ComplicationsDogsHepatic ArteryPulmonary EmbolismCells, CulturedHyperplasiaBlood Flow VelocitySclerosing SolutionsCheckpoint Kinase 2Prospective StudiesArteriesLaser TherapyEchocardiographyIschemiaUltrasonography, DopplerAneurysmAngiographyBudd-Chiari SyndromePopliteal ArteryVascular DiseasesVascular MalformationsRecurrenceTunica IntimaPhlebitisReoperationLiverAnticoagulantsCatheterizationStockings, CompressionEndoscopyBrachyura