NDLI: Improvement of an intravascular ultrasound (IVUS) elasticity modulus imaging approach for detecting vulnerable atherosclerotic plaques

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Improvement of an intravascular ultrasound (IVUS) elasticity modulus imaging approach for detecting vulnerable atherosclerotic plaques

Content Provider	Semantic Scholar
Author	Keshavarz-Motamed, Zahra Floc'h, Simon Le Ohayon, Jacques Cloutier, Guy
Copyright Year	2013
Abstract	Atherosclerotic plaque rupture is the major cause of acute coronary syndrome, myocardial infarction and stroke in the western world. Stress concentration is recognized to be a good indicator of vulnerable plaques (VP). With the objective of assessing plaque mechanical properties, we developed the Lagrangian speckle model estimator (LSME) for vascular ultrasound strain elastography. However, evaluation of the stress field relies on a precise identification of the mechanical properties of plaque components. As a response to this need, our group recently developed an approach called iMOD (imaging modulography). iMOD uses a continuum-mechanics-based segmentation method and the inverse finite-element method to reconstruct elasticity maps (or modulograms) of atheroma plaques based on the radial strain field calculated by the LSME. The present theoretical study was designed to further develop optimization procedures of iMOD to incorporate both radial and shear components of the strain tensor. Simulated IVUS imag...
Starting Page	75085
Ending Page	75085
Page Count	1
File Format	PDF HTM / HTML
DOI	10.1121/1.4806406
Volume Number	133
Alternate Webpage(s)	http://www.ica2013montreal.org/Proceedings/mss/075085_1.pdf
Alternate Webpage(s)	https://doi.org/10.1121/1.4806406
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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