Evaluating the risk of endograft migration is important for long-term durability of endovascular aneurysm repair (EVAR) technique. In this paper we apply a step-wise coupled finite element approach to evaluate the risk of endograft migration in representative aorta models subjected to in-vivo hemodynamic displacement forces. Device stability is observed to be a strong function of aortic geometry (tortuosity, proximal fixation) with increased tortuosity or lower proximal fixation leading to greater risk of device migration.
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A Finite Element Approach for Evaluating the Risk of Endograft Migration
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Prasad, A, Zarins, CK, & Figueroa, CA. "A Finite Element Approach for Evaluating the Risk of Endograft Migration." Proceedings of the ASME 2011 6th Frontiers in Biomedical Devices Conference. ASME 2011 6th Frontiers in Biomedical Devices Conference and Exhibition. Irvine, California, USA. September 26–27, 2011. pp. 11-12. ASME. https://doi.org/10.1115/BioMed2011-66022
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