Identification of artery wall stiffness: In vitro validation and in vivo results of a data assimilation procedure applied to a 3D fluid-structure interaction model

Cristobal Bertoglio, David Barber, Nicholas Gaddum, Israel Valverde Perez, Marcel Rutten, Philipp Beerbaum, Philippe Moireau, Rodney Hose, Jean-Frederic Gerbeau*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

We consider the problem of estimating the stiffness of an artery wall using a data assimilation method applied to a 3D fluid-structure interaction (FSI) model. Recalling previous works, we briefly present the FSI model, the data assimilation procedure and the segmentation algorithm. We present then two examples of the procedure using real data. First, we estimate the stiffness distribution of a silicon rubber tube from image data. Second, we present the estimation of aortic wall stiffness from real clinical data.

Original languageEnglish
Pages (from-to)1027-1034
Number of pages8
JournalJournal of Biomechanics
Volume47
Issue number5
DOIs
Publication statusPublished - 21 Mar 2014

Keywords

  • Fluid-structure interaction
  • Data assimilation
  • Stiffness estimation
  • Medical imaging
  • Experimental validation
  • Coarctation of the aorta
  • ULTRASOUND
  • HEMODYNAMICS
  • ELASTICITY
  • FILTERS

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