Evaluation of the effect of stent strut profile on shear stress distribution using statistical moments |
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| Authors: | Juan Mejia Bilal Ruzzeh Rosaire Mongrain Richard Leask Olivier F Bertrand |
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| Affiliation: | (1) Department of Mechanical Engineering, McGill University, Montreal, Quebec, Canada;(2) Department of Chemical Engineering, McGill University, Montreal, Quebec, Canada;(3) Quebec Heart-Lung Institute, Laval Hospital, Quebec City, Quebec, Canada;(4) Montreal Heart Institute, Montreal, Quebec, Canada |
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| Abstract: | Background In-stent restenosis rates have been closely linked to the wall shear stress distribution within a stented arterial segment, which in turn is a function of stent design. Unfortunately, evaluation of hemodynamic performance can only be evaluated with long term clinical trials. In this work we introduce a set of metrics, based on statistical moments, that can be used to evaluate the hemodynamic performance of a stent in a standardized way. They are presented in the context of a 2D flow study, which analyzes the impact of different strut profiles on the wall shear stress distribution for stented coronary arteries. |
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