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Eur J Cardiothorac Surg. 2019 Sep 1;56(3):618-621. doi: 10.1093/ejcts/ezy458.

Ascending aortic rupture after zone 2 endovascular repair: a multiparametric computational analysis.

Author information

1
Department of Surgery, University of Michigan, Ann Arbor, MI, USA.
2
Thoracic Aortic Research Center, Policlinico San Donato IRCCS, San Donato Milanese, Italy.
3
Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands.
4
Department of Radiology, University of Michigan, Ann Arbor, MI, USA.
5
Department of Cardiac Surgery, University of Michigan, Ann Arbor, MI, USA.
6
Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA.

Abstract

A 74-year-old woman expired from ascending aortic rupture 3 months following branched zone 2 endovascular aortic repair. Multiparametric image-based computational evaluation of this case suggested that the stiffness mismatch between the endograft and the native aorta increased haemodynamic loads and likely led to the rupture of the ascending aorta. This under-recognized phenomenon should be considered in preoperative planning and presents suggestions for endograft development.

KEYWORDS:

Aortic aneurysm; Aortic rupture; Computational fluid dynamics; Thoracic endovascular aortic repair

PMID:
30608518
PMCID:
PMC6704387
[Available on 2020-09-01]
DOI:
10.1093/ejcts/ezy458

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