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. 2021 Jul 12;23:94. doi: 10.1186/s12968-021-00774-9

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© The Author(s) 2021

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 — Study flow chart. A Overall image quality was tested for statistical significance in 31 native-self-navigated (SN)-MRA and 61 contrast enhanced (CE)-MRA with binary and 4-point scale ratings (orange). B Analysis of the influence of artifacts on both sequences (blue). C Subgroup analysis of patients following aortic surgery only (green). D In the intraindividual comparison of 10 patients with both types of MRA the overall image quality was tested (red). CE-MRA contrast-enhanced magnetic resonance angiography, native-SN-MRA 3D radial respiratory self-navigated non-contrast-enhanced MRA, OP operation