Multiobjective optimization of a stent in a fluid-structure context

  • Authors:
  • Adel Blouza;Laurent Dumas;Ibrahima M'Baye

  • Affiliations:
  • Laboratoire Raphael Salem, Rouen, France;Université Pierre et Marie, Curie, France;Université de Haute-Alsace, Mulhouse, France

  • Venue:
  • Proceedings of the 10th annual conference companion on Genetic and evolutionary computation
  • Year:
  • 2008

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Abstract

A stent device is a permanent metallic implant currently used to prop open arteries blocked with atherosclerotic plaques. Many classes of stents are available and mainly differ by their design. Our purpose in this paper is to determine some optimal stent parameters to ensure a conforming blood flow through the stented artery. Coupling computational fluid dynamics with stochastic optimization based method is used to obtain the optimal parameters of a simplified stent. Our results point out that the obtained related stents overcome or at least reduce the risk of the late restenosis in stented segments.