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Erschienen in: Heart and Vessels 4/2016

27.03.2015 | Original Article

Repression of wall shear stress inside cerebral aneurysm at bifurcation of anterior cerebral artery by stents

verfasst von: Ryuhei Yamaguchi, Gaku Tanaka, Hao Liu, Hiroshi Ujiie

Erschienen in: Heart and Vessels | Ausgabe 4/2016

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Abstract

The effect of a simple bare metal stent on repression of wall shear stress inside a model cerebral aneurysm was experimentally investigated by two-dimensional particle image velocimetry in vitro. The flow model simulated a cerebral aneurysm induced at the apex of bifurcation between the anterior cerebral artery and the anterior communicating artery. Wall shear stress was investigated using both stented and non-stented models to assess the simple stent characteristics. The flow behavior inside the stented aneurysm sac was unusual and wall shear stress was much smaller inside the aneurysm sac. Stent placement effectively repressed the temporal and spatial variations and the magnitude of wall shear stress. Hence, there is an effective possibility that would retard the progress of cerebral aneurysms by even simple stent.
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Metadaten
Titel
Repression of wall shear stress inside cerebral aneurysm at bifurcation of anterior cerebral artery by stents
verfasst von
Ryuhei Yamaguchi
Gaku Tanaka
Hao Liu
Hiroshi Ujiie
Publikationsdatum
27.03.2015
Verlag
Springer Japan
Erschienen in
Heart and Vessels / Ausgabe 4/2016
Print ISSN: 0910-8327
Elektronische ISSN: 1615-2573
DOI
https://doi.org/10.1007/s00380-015-0665-1

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