Arterio-Venous Fistula Recirculation in Hemodialysis: Causes and Prevalences

lranian journal of Clinical Infectious Diseases

SS Beladi Mousavi¹  M Tavazoe²  M Sametzadeh²  F Hayati³ 

[1] Department of Nephrology;Department of Radiology, Faculty of Medicine, Jundishapour University of Medical Sciences, Ahvaz, Iran;Department of Nephrology

关键词: A-V Fistula;    Recirculation;    Haemodialysis;    End Stage Renal Disease;   

DOI  :  10.17795/semj20447

学科分类：基础医学

来源: Shiraz University of Medical Sciences

【 摘 要 】

Introduction:ThemeasurementofArterio-Venous(A-V)FistulaRecirculationhasimportantdiagnosticimplicationsbecausetheefficiencyofhaemodialysis(HD)maybelimited,resultingindialysisdeliverybeinglessthanthatprescribed.ThepurposeofthestudyistodetermineitsprevalenceandcausesinourHDpatients.MaterialsandMethods:Werandomlyselected100endstagerenaldiseasepatientswithAVfistulathattheywereonHDmorethan3months.ThedegreeofrecirculationwasalsomeasuredwithUreabasedtwoneedletechniquemethod.Foreachpatientdistancesbetweenarterialandvenousanddistancesofneedlesfromfistulaanditsdirectionswasrecorded.EchocardiographyandA-VfistulaColorDopplerUltrasoundwerealsoperformed.Results:Bloodflowrateanddialysateflowratewere300mL/minand500mL/minrespectively.TheprevalenceofA-Vfistularecirculationwas17%(17patients).Averagedegreeofrecirculationbetweenthesepatientswas9.56±2.32%.Themostcommoncausewasmisplacementandormisdirectionofneedles(17patients).ThesecondcausewasheartfailurewithEjectionFraction>40%(8patients).Nodifferencewasseenbetweendiabeticversusnondiabetic(P=0.28)andhypertensiveversusnormotensive(P=0.21%)HDpatients.Conclusions:A-VfistularecirculationiscommonoccurrenceinHDpatientsandthemostcommoncauseofrecirculationismisplacementandormisdirectionofneedlessoweshouldhavemoreemphasisoneducationandtrainingofHDstaffs.

【 授权许可】

Unknown