Table of Contents
Appl. Sci., Volume 9, Issue 7 (April-1 2019)
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Cover Story (view full-size image) Flow-diverting stents show considerable promise for the treatment of cerebral aneurysms. [...] Read more. Flow-diverting stents show considerable promise for the treatment of cerebral aneurysms. Post-treatment complications remain a problem and vary depending on the device used. This study investigates the performance of a new biodegradable stent as compared to two metallic commercially available devices. CFD models were developed for an idealized cerebral artery with a sidewall aneurysm treated by deploying the aforementioned stents of different porosities. Flow velocity, WSS, and its derived indices were analyzed. The results show that the finer mesh stents provide more flow reduction and a smaller region characterized by high oscillatory shear index, while the new stent has a higher relative residence time that is crucial for the aneurysmal occlusion. View Paper here.