A Solution Approach for Solving the Inverse Elasticity Problem for Heterogeneous Atherosclerotic Coronary Plaques

被引：0
|
作者：
Baldewsing, Radj A. [1 ]
Mastik, Frits [1 ]
Schaar, Johannes A. [1 ]
van der Steen, Antonius F. W. [1 ]
机构：
[1] Erasmus MC, Thoraxctr, Rotterdam, Netherlands
来源：
2006 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-5, PROCEEDINGS | 2006年
关键词：
Inverse elasticity problem; Heterogeneous plaques; Intravascular ultrasound elastography; Radial and Principal Strain; Young's modulus; Finite element method; Tissue characterization;
D O I：
10.1109/ULTSYM.2006.193
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A solution approach is described for solving the inverse elasticity problem for arbitrary atherosclerotic plaques. It extends a previous Young's modulus (YM) reconstruction framework (chapters 4 & 6 in [1]) that was mainly suited for reconstruction of thin-cap fibroatheromas (i.e., plaques with a single large lipid pool covered by a single thin fibrous cap). The following extensions were made: (i) Use of a "corrected" radial strain elastogram, (ii) use of this corrected elastogram to define initial YM-distributions and (iii) use of a compounding procedure to obtain a heterogeneous YM-distribution from individual YM-reconstructions.
引用
收藏
页码：710 / 713
页数：4
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