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. 2019 May 14;11(12):1227–1234. doi: 10.1136/neurintsurg-2019-014840

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution 4.0 Unported (CC BY 4.0) license, which permits others to copy, redistribute, remix, transform and build upon this work for any purpose, provided the original work is properly cited, a link to the licence is given, and indication of whether changes were made. See: https://creativecommons.org/licenses/by/4.0/.

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Example of flow diverter stent treatment in the anterior communicating artery complex of a patient with a broad-based saccular aneurysm with predominant supply via the left anterior cerebral artery. The upper row (from left to right) shows the three-dimensional angiogram, the corresponding conventional digital subtraction angiography (DSA) image in working projection, and intra-aneurysmal flow quantification (employing two-dimensional vector-based imaging), revealing turbulent vortical flow in the aneurysmal compartment. The middle row depicts the implanted overlapping Silk Vista Baby stents (2.25×10 mm, 2.25 mm x 15 mm, arrow), the immediate reduction of aneurysmal influx in vector-based imaging (reduced influx and prolonged washout in the aneurysm dome in comparison with the pretreatment image), and the still complete opacification of the aneurysm sac in the conventional DSA image. The bottom row shows maintained normal perfusion of the right hemisphere including the parenchyma from the treated vessels.