Prediction of deformations during endovascular aortic aneurysm repair using finite element simulation

被引：48

作者：

Kaladji, Adrien ^{[1
,2
,3
]}

Dumenil, Aurelien ^{[2
,3
]}

Castro, Miguel ^{[2
,3
]}

Cardon, Alain ^{[1
]}

Becquemin, Jean-Pierre ^{[4
]}

Bou-Said, Benyebka ^{[5
]}

Lucas, Antoine ^{[1
,2
,3
]}

Haigron, Pascal ^{[2
,3
]}

机构：

[1] CHU Rennes, Dept Cardiothorac & Vasc Surg, F-35033 Rennes, France

[2] INSERM, U1099, F-35000 Rennes, France

[3] Univ Rennes, Signal & Image Proc Lab LTSI, F-35000 Rennes, France

[4] Univ Paris, Henri Mondor Hosp, Dept Vasc & Endovasc Surg, Paris, France

[5] Univ Lyon, CNRS INSA Lyon, LaMCoS, UMR5259, F-69621 Lyon, France

来源：

COMPUTERIZED MEDICAL IMAGING AND GRAPHICS | 2013年 / 37卷 / 02期

关键词：

Endovascular navigation; EVAR; FEM simulation; 3D/2D registration; Tools/tissues interactions; Computer aided surgery; Augmented reality; WALL STRESS; MECHANICAL-PROPERTIES; IMAGE REGISTRATION; CORONARY STENTS; RUPTURE RISK; BLOOD-FLOW; MODEL; TISSUE; ARTERY;

D O I：

10.1016/j.compmedimag.2013.03.002

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

During endovascular aortic aneurysm repair (EVAR), the introduction of medical devices deforms the arteries. The aim of the present study was to assess the feasibility of finite element simulation to predict arterial deformations during EVAR. The aortoiliac structure was extracted from the preoperative CT angiography of fourteen patients underwent EVAR. The simulation consists in modeling the deformation induced by the stiff wire used during EVAR. The results of the simulation were projected onto the intraoperative images, using a 3D/2D registration. The mean distance between the real and simulated guidewire was 2.3 +/- 1.1 mm. Our results demonstrate that finite element simulation is feasible and appear to be reproducible in modeling device/tissue interactions and quantifying anatomic deformations during EVAR. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：142 / 149

页数：8

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