Deformation and dynamic response of abdominal aortic aneurysm sealing.

Deformation and dynamic response of abdominal aortic aneurysm sealing.
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DOI:
10.1038/s41598-017-17759-3
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发表时间:
2017-12-18
期刊:
影响因子:
4.6
通讯作者:
Movchan AB
Movchan AB
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Argani LP;Torella F;Fisher RK;McWilliams RG;Wall ML;Movchan AB

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血管内封闭是一种新的腹主动脉瘤修复技术。该产品自2013年起在欧洲上市,通过微创技术采用革命性的方法进行动脉瘤修复。尽管动脉瘤密封可能被认为比传统的血管内覆膜支架修复术更稳定,但已描述了内假体的植入后移动,可能导致晚期并发症。本文首次提出了一个模型,它解释了力的性质,在静态和动态制度,密封腹主动脉瘤,与真实的案例研究的参考。研究表明,在日常活动中,由静力和振动引起的主动脉和内置假体的弹性变形可能会促进血管内密封结构的不期望运动。
Endovascular sealing is a new technique for the repair of abdominal aortic aneurysms. Commercially available in Europe since 2013, it takes a revolutionary approach to aneurysm repair through minimally invasive techniques. Although aneurysm sealing may be thought as more stable than conventional endovascular stent graft repairs, post-implantation movement of the endoprosthesis has been described, potentially leading to late complications. The paper presents for the first time a model, which explains the nature of forces, in static and dynamic regimes, acting on sealed abdominal aortic aneurysms, with references to real case studies. It is shown that elastic deformation of the aorta and of the endoprosthesis induced by static forces and vibrations during daily activities can potentially promote undesired movements of the endovascular sealing structure.
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