Characterization of flow reduction properties in an aneurysm due to a stent

Miki Hirabayashi, Makoto Ohta, Daniel A. Rüfenacht, Bastien Chopard

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


We consider a lattice Boltzmann simulation of blood flow in a vessel deformed by the presence of an aneurysm. Modern clinical treatments involve introducing a stent (a tubular mesh of wires) into the cerebral artery in order to reduce the flow inside the aneurysm and favor its spontaneous reabsorption. A crucial question is to design the stent with suitable porosity so as to produce the most effective flow reduction. We propose a stent positioning factor as a characterizing tool for stent pore design in order to describe the flow reduction effect and reveal the several flow reduction mechanisms using this effect.

Original languageEnglish
Pages (from-to)6
Number of pages1
JournalPhysical Review E
Issue number2
Publication statusPublished - 2003


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