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. 2021 Jul 28;22(1 Suppl):18–31. doi: 10.1177/11297298211018060

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — B-Mode image of native arteriovenous fistula. Side-to-end well-functioning radiocephalic fistula at the wrist. (*) Anastomosis (a). Side-to-end radiocephalic AVF in a diabetic patient. Maturation of vascular access as well as the remodeling and dilation of the radial artery (Ra), anastomotic chamber (*), and draining vein are insufficient (b). Atherosclerotic and calcified radial artery in elderly diabetic patient with inflow stenosis. Brachial artery Q_a in this patient was 180 ml/min (c). Coarse wall calcifications with shadowing (white arrows) into the anastomosis (*) of a well-functioning long-term radiocephalic fistula (d).