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Updated: Jun 20, 2026
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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
Ross procedure with a composite autograft using stretch Gore-Tex material.
Andras C Kollar1, Scott D Lick, Diana M Palacio
1Department of Surgery, University of Texas Medical Branch in Galveston, Galveston, Texas 77555-0528, USA. ankollar@utmb.edu
The Annals of Thoracic Surgery
|September 22, 2009
Summary
A Gore-Tex wrap on pulmonary autografts maintained normal aortic root shape and expansion. This technique aims to prevent late root dilation after aortic valve repair surgery.
Area of Science:
- Cardiovascular Surgery
- Biomaterials Engineering
- Medical Imaging
Background:
- Late aortic root dilation is a concern after aortic valve repair using pulmonary autografts.
- Preserving the natural geometry and function of the aortic root is crucial for long-term outcomes.
Observation:
- A novel surgical technique involved using a stretchable Gore-Tex material as an external wrap around the pulmonary autograft.
- This external wrap was designed to facilitate physiologic expansion while limiting excessive dilation.
Findings:
- Cardiac computed tomography (CT) demonstrated normal "triple bulge" sinus Valsalva geometry in patients who received the Gore-Tex wrap.
- Dynamic imaging confirmed preserved natural systolic expansion of the neoaortic root, indicating maintained functionality.
Implications:
- This technique shows promise for improving the durability of aortic valve repair by mitigating late aortic root dilation.
- Further research and long-term follow-up are warranted to fully assess the clinical benefits and safety of this Gore-Tex wrapping method.
