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moving aorta animation

Discover Continuous Seal

with Valiant™ Captivia™ stent graft​ system

Learn more

The thoracic aorta is highly elastic and flexible1, it adapts to the hemodynamics2 creating a dynamic environment.

To achieve durability, it’s important to maintain a proximal seal zone despite the movement of the aorta.

A continuous seal means that a consistent proximal seal zone is maintained throughout the entire cardiac cycle.

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Why continuous seal matters

Achieving and maintaining a continuous seal is critical in TEVAR durability.3-6 Seal loss is the #1 cause for TEVAR reinterventions.5-7 Type I endoleak is the most common complication requiring secondary intervention following TEVAR.7-9

 

How to analyze continuous seal for durable outcomes in TEVAR

Discover the computational analysis on Valiant™ Captivia™ through the research of Prof. Migliavacca, Prof. Trimarchi and the team of Politecnico di Milano.
.

Read the scientific papers published by Politecnico di Milano

1007/s10439-022-03014-y Validation and Verification of High-Fidelity Simulations of Thoracic Stent-Graft Implantation (.1007/s10439-022-03014-y)

Read the paper
com/science/article/pii/S1078588423004525 Thoracic Stent Graft numerical models to virtually simulate Thoracic Endovascular Aortic Repair: a scoping review  (.com/science/article/pii/S1078588423004525)

View publication
gov/36584506/ Applicability assessment for in-silico patient-specific TEVAR procedures (.gov/36584506/)

View publication
gov/38063955/ On the necessity to include arterial pre-stress in patient-specific simulations of minimally invasive procedures (.gov/38063955/)

Read the paper
101269 Utilizing numerical simulations to prevent stent graft kinking during thoracic endovascular aortic repair (.101269)

Read the paper

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How Valiant™ Captivia™ stent graft system addresses continuous seal in a dynamic environment

Explore how the design of the Valiant™ thoracic stent graft with the Captivia™ delivery system establishes and maintains continuous seal in a dynamic environment.

Additional resources

image

Valiant™ Thoracic Stent Graft with
the Captivia™ Delivery System

Select the Valiant™ Thoracic Stent Graft with the Captivia™ Delivery System
for your TEVAR (thoracic endovascular aortic repair) procedures.

Product details

Features and benefits of  Valiant™ Captivia™ stent graft system

Discover more details of Valiant™ Captivia™ stent-graft design which leads to Continuous seal and the benefits related to it, incl. 5-year outcomes in all DTA pathologies.

Request more information about Continuous Seal in TEVAR

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References

1

Lejay, A. Geny, B., Kohl, P., Chakfe, N., et al. Effects of Aortic Graft Implantation on Heart and Downstream Vessels: An Artery is not a Rigid Pipe. Editorial. European Journal of Vascular and Endovascular Surgery. 2019. 58, 477-478

2

Pejcic, S., Hassan, S., Rival, D., Bisleri, G., Characterizing the mechanical properties of the aortic wall. Vessel Plus 2019. 3:32; DOI: 10.20517/2574-1209.2019.18

3

Test report: Valiant Thoracic Stent Graft Radial Force (TR12001, Rev. B). Medtronic data on file.

4

Canaud L, et al. J Vasc Surg. 2013;57:1084–1089.

5

Conrad MF, et al. J Vasc Surg. 2017;66:P335–P342.

6

Patel HJ, et al. Ann Thorac Surg. 2020;110:815–820.

7

Ranney DN, et al. J Vasc Surg. 2018;67:363–368.

8

Nozdrzykowski M, et al. Eur J Cardiothorac Surg. 2016;49:770–777.

9

Fairman AS, et al. J Vasc Surg. 2020;71:408–422.

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