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Year : 2018  |  Volume : 21  |  Issue : 1  |  Page : 22-26

Glucose pump test can be used to measure blood flow rate of native arteriovenous fistula in chronic hemodialysis

1 Department of Nephrology, Erzurum Regional Research and Training Hospital, Erzurum, Turkey
2 Department of Necmettin Erbakan University, Meram Medical Faculty, Nephrology, Erzurum, Turkey
3 Department of Konya Research and Training Hospital, Nephrology, Erzurum, Turkey
4 Department of Nephrology, Konya Research and Training Hospital, Erzurum, Turkey
5 Department of Chest Disease, Erzurum Regional Research and Training Hospital, Erzurum, Turkey

Correspondence Address:
Dr. Y C Yavuz
Erzurum Regional Research and Training Hospital, Nephrology Department Palandoken, Erzurum
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1119-3077.224790

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Purpose: In chronic hemodialysis patients, the low flow of vascular access may leads to inadequate dialysis, increased rate of hospitalization, morbidity, and mortality. It was found that surveillance should be performed for native arteriovenous (AV) should not be performed for AV graft in various studies. However, surveillance was done in graft AV fistulas in most studies. Doppler ultrasonography (US) was suggested for surveillance of AV fistulas by the last vascular access guideline of National Kidney Foundation Disease Outcomes Quality Initiative (NKF KDOQI). The aim of study is to determine whether glucose pump test (GPT) is used for surveillance of native AV fistulas by using Doppler US as reference. Methods: In 93 chronic hemodialysis patients with native AV fistula, blood flow rates were measured by Doppler US and GPT. For GPT, glucose was infused to 16 mL/min by pump and was measured at basal before the infusion and 11 s after the start of the infusion by glucometer. Doppler US was done by an expert radiologist. Used statistical tests were Mann-Whitney U test, Friedman test, regression analysis, and multiple regression analysis. Results: Median values of blood flow rates measured by GPT (707 mL/min) and by Doppler US (700 mL/min) were not different (Z = 0.414, P = 0.678). Results of GPT and Doppler US measurements were positive correlate by regression analysis. The mean GPT value of diabetic patients (n = 39; 908 mL/min) was similar to that of nondiabetic patients (n = 54; 751 mL/min; Z = 1.31, P = 0.188). GPT values measured at three different dialysis session did not differ from each other that by Friedman test (F = 0.92, P = 0.39). This showed that GPT was stable and reliable. Conclusions: Glucose pump test can be used to measure blood flow rate of native AV fistula. GPT is an accurate and reliable test.

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