Saphenous VeinThrombosisVenous ThrombosisVeinsVaricose VeinsFemoral VeinPortal VeinGraft Occlusion, VascularVenous InsufficiencyCoronary ThrombosisSinus Thrombosis, IntracranialPopliteal VeinJugular VeinsIliac VeinUltrasonography, Doppler, DuplexVascular PatencyIntracranial ThrombosisCarotid Artery ThrombosisTissue and Organ HarvestingMammary ArteriesCoronary Artery BypassPulmonary VeinsMesenteric VeinsVascular Surgical ProceduresPhlebographyTreatment OutcomeRenal VeinsCerebral VeinsLaser TherapyAnticoagulantsLegSubclavian VeinUmbilical VeinsTime FactorsSplenic VeinAxillary VeinFollow-Up StudiesSclerotherapyPolytetrafluoroethyleneStentsFemoral ArteryEcchymosisSagittal Sinus ThrombosisVascular GraftingVenous ValvesPopliteal ArteryHepatic VeinsAngioplasty, LaserIntracranial Embolism and ThrombosisVena Cava, InferiorSclerosing SolutionsBlood Vessel ProsthesisUpper Extremity Deep Vein ThrombosisAneurysmMuscle, Smooth, VascularAngioscopyProspective StudiesRetrospective StudiesSumatriptanReoperationRadial ArteryThrombophiliaEndothelium, VascularRecurrenceHeparinThrombectomyAnastomosis, SurgicalUltrasonography, Doppler, ColorIschemiaLower ExtremityCoronary AngiographyArterial Occlusive DiseasesBrachiocephalic VeinsArteriovenous Shunt, SurgicalFibrinolytic AgentsPlatelet Aggregation InhibitorsRisk FactorsDrug-Eluting StentsBlood Vessel Prosthesis ImplantationUltrasonography, InterventionalPhlebitisCatheterization, PeripheralThoracic ArteriesPostoperative ComplicationsStockings, CompressionAngioplasty, Balloon, CoronaryEndoscopyHeparin, Low-Molecular-WeightFactor VDogsConstriction, PathologicVaricose UlcerCoronary RestenosisTibial ArteriesHemostasisCavernous Sinus ThrombosisBlood CoagulationLigationEmbolismRetinal Vein