Renal VeinsVeinsArteriovenous Shunt, SurgicalAxillary VeinBrachiocephalic VeinsVascular PatencyArmUpper ExtremityRenal DialysisBrachial ArterySaphenous VeinPortal VeinVena Cava, InferiorUltrasonography, Doppler, DuplexVaricose VeinsVascular Surgical ProceduresReoperationFemoral VeinPulmonary VeinsRenal Nutcracker SyndromeJugular VeinsMesenteric VeinsTreatment OutcomeIliac VeinSplenic VeinTime FactorsVaricoceleFlank PainRetrospective StudiesPhlebographyAzygos VeinRenal ArteryUmbilical VeinsVenous ThrombosisHematuriaHepatic VeinsPopliteal VeinConstriction, PathologicAnatomy, RegionalSubclavian VeinCatheters, IndwellingNeoplasms, Vascular TissueKidneyCerebral VeinsAnastomosis, SurgicalNephrectomyRenal Artery ObstructionDialysisRetinal VeinHypertension, RenovascularArteriovenous FistulaUltrasonography, DopplerRetinal Vein OcclusionTomography, X-Ray ComputedHypertension, RenalReplantationVascular NeoplasmsLeiomyosarcomaAorta, AbdominalResins, PlantUltrasonography, Doppler, ColorNephrotic SyndromeThrombosis