Journal
INTERNATIONAL JOURNAL OF ARTIFICIAL ORGANS
Volume 46, Issue 1, Pages 3-8Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/03913988221140424
Keywords
Arteriovenous fistula; hemodialysis; artificial kidney; apheresis and detoxification techniques; brachial artery; peak systolic velocity; color Doppler flow imaging
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This study aimed to evaluate the association between brachial artery blood velocity measured by color Doppler flow imaging (CDFI) and the maturity of radio-cephalic autologous arteriovenous fistula (RC-AVF). The results showed that brachial artery PSV and increased brachial artery PSV could be used to detect the maturation of RC-AVF in the early stage.
Objective: To evaluate the association between brachial artery blood velocity by color Doppler flow imaging (CDFI) and primary maturation of radio-cephalic autologous arteriovenous fistula (RC-AVF). Methods: Clinical data from patients who underwent end-to-side cephalic-radial anastomosis were collected from December 2015 to December 2020. The anastomosis diameter (mm), blood velocity (cm/s), and brachial artery diameters (mm) 7 cm proximal to the elbow pre- and postoperation were measured by GE LOGIC-E9 ultrasound. The AVF was mature if it could be cannulated successfully and the blood flow was >200 ml/min during dialysis. Results: A total of 197 patients were included in our statistical analysis. A total of 163 patients had mature AVFs, and 34 patients had poor maturity (assisted and failed maturation). There were no significant differences in the clinical characteristics, peak systolic velocity (PSV) of the brachial artery, diameter of the radial artery or cephalic vein measured by CDFI preoperatively. The diameter of the brachial artery (5.41 +/- 0.77 vs 4.89 +/- 0.90, p = 0.00) and the fistula anastomosis (2.79 +/- 0.78 vs 2.45 +/- 0.85, p = 0.02) and PSV of the brachial artery (123.58 +/- 37.11 vs 89.63 +/- 28.31, p = 0.00) in the mature group were higher than those in the immature group. Conclusion: Brachial artery PSV and increased brachial artery PSV could be used to detect RC-AVF maturation in the early stage.
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