Abstract
We report on a 68-year-old female patient who was diagnosed with a complex incidental aneurysm on the bifurcation of the right-hand middle cerebral artery (MCA) alongside a small aneurysm on the superior MCA trunk. It was decided to treat the complex aneurysm with stent-assisted implantation of a Woven Endobridge (WEB, MicroVention) with a stent also covering the small aneurysm. During the treatment, two stents did not open, had to be removed, and due to a WEB-induced stenosis of the inferior trunk, this branch had to be stented as a bail-out strategy. Ultimately, the large MCA aneurysm was closed, and although the small aneurysm on the superior branch had to be left untreated, on follow-up it was discovered that this had also closed due to the anatomical changes caused by the way the WEB-stent-construct had altered the hemodynamics in that area. Stent-assisted WEB treatment of a complex MCA aneurysm is the main topic of this chapter.
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Lobsien, D., Klisch, J., Clajus, C. (2019). Middle Cerebral Artery Bifurcation Aneurysm: Wide-Necked Unruptured MCA Aneurysm Occlusion with Stent-Assisted WEB Implantation. In: Henkes, H., Lylyk, P., Ganslandt, O. (eds) The Aneurysm Casebook. Springer, Cham. https://doi.org/10.1007/978-3-319-70267-4_127-1
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