Abstract #1649

The circle of stent design for intracranial aneurysm treatment: role of MRI.

Mariya Stanislavovna Pravdivtseva¹, Prasanth Velvaluri², Fritz Wodarg¹, Eckhard Quandt², Rodrigo Lima de Miranda³, Jan-Bernd Hövener¹, Philipp Berg⁴, and Olav Jansen¹

¹Department of Radiology and Neuroradiology, Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), University Medical Center Schleswig-Holstein (UKSH), Kiel University, Kiel, Germany, Kiel, Germany, ²Chair for Inorganic functional materials, University of Kiel, Kiel, Germany, Kiel, Germany, ³Acquandas GmbH, Kasierstrasse 2, Kiel, Germany, Kiel, Germany, ⁴Research Campus STIMULATE, University of Magdeburg, Magdeburg, Germany, Magderburg, Germany

Intracranial aneurysms are a life-threatening disease, which can be treated with flow diverter stents. However, complications during or after this endovascular treatment might occur. Therefore, there is a need to improve the current minimally-invasive technologies. In the present study, we proposed and utilized the concept of the iterative stent design focusing on 1) fast prototyping using microsystem technologies and 2) in vitro testing the flow reduction in real-world conditions using 4D flow MRI. As a result, the flow volume entering the aneurysm in the presence of a stent was reduced by 10 %, and then by 85 %.

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