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. 2020 Aug 17;20:376. doi: 10.1186/s12872-020-01660-5

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© The Author(s) 2020

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 1 — a Transthoracic echocardiography shows the arteriovenous fistula (Fis) between the right subclavian artery (SCA) and the superior vena cava (SVC); b Continuous-wave Color Doppler interrogation of the fistula shows high velocity flow signals moving from the SCA into the SVC throughout the cardiac cycle (stenosis site: velocity 385 cm/s, pressure gradient 59 mmHg); c, d Computed tomographic angiography and three-dimensional reconstruction show the fistula and obvious stenosis site (arrow); e,f The fistula is successfully closed using a 10/12 mm Amplatzer Ductal Occluder (asterisk) by the guidance of angiography (dotted arrow); RA — right atrium; RV — right ventricle