A novel combined fluid dynamic and strain analysis approach identified abdominal aortic aneurysm rupture

Clinical decision-making for surgical repair of abdominal aortic aneurysms based on maximum aortic diameter presents limitations as rupture can occur below threshold for some aneurysms, whereas others are stable at large sizes. The proposed approach combines hemodynamics and geometric indices with i...

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Bibliographic Details
Published in:Journal of vascular surgery cases and innovative techniques 2020-06, Vol.6 (2), p.172-176
Main Authors: Forneris, Arianna, Marotti, Flavio Bellacosa, Satriano, Alessandro, Moore, Randy D., Di Martino, Elena S.
Format: Article
Language:English
Subjects:
Abdominal aortic aneurysm (AAA)
Case report
Computational fluid dynamics (CFD)
In vivo strain
Rupture
Thrombosis (ILT)
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Summary:Clinical decision-making for surgical repair of abdominal aortic aneurysms based on maximum aortic diameter presents limitations as rupture can occur below threshold for some aneurysms, whereas others are stable at large sizes. The proposed approach combines hemodynamics and geometric indices with in vivo deformation analysis to assess local weakening of the aortic wall for a case of impending rupture that was confirmed during open surgical repair. A new combined index, the Regional Rupture Potential, is introduced to help the assessment of individual aneurysms and their rupture risk, providing a rationale for clinical decisions.
ISSN:2468-4287
2468-4287
DOI:10.1016/j.jvscit.2020.01.014