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Creation of a Flow-Modulating Stent Using Multilayered Wallstents for Aneurysm Exclusion 

Creation of a Flow-Modulating Stent Using Multilayered Wallstents for Aneurysm Exclusion
Chapter:
Creation of a Flow-Modulating Stent Using Multilayered Wallstents for Aneurysm Exclusion
Author(s):

S. Lowell Kahn

DOI:
10.1093/med/9780199986071.003.0011
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date: 16 September 2021

Abdominal aortic aneurysms (AAAs) are a common pathology that is found in 4–9% of patients in the developed world. Risk factors for AAAs include age, male sex, family history, comorbid cardiovascular disease, and smoking. Despite the male predominance of the disease, rupture occurs at a smaller diameter in females, and the outcomes are poorer in this subgroup. Flow-modulating stents are a relatively new development and consist of multilayered bare-metal self-expanding stents. Despite the inherent porosity of the stents, the interconnected stent matrix features flow-diverting properties that preserve luminal and branch vessel flow while simultaneously depressurizing the aneurysm sac, resulting in shrinkage and thrombosis. Flow-modulating stents are unavailable in the United States. This chapter discusses in vivo construction of a flow-modulating stent and its potential applications and complications.

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