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Updated: Oct 19, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
Dynamic obstruction, an unusual complication after aortic valve replacement with a stentless porcine valve
R P van Roosmalen1, L H Baur, J Braun
1Department of Cardiology, Leiden University Medical Centre, The Netherlands.
Abstract:
In the early nineties, the stentless porcine aortic bioprosthesis has been reintroduced successfully. Because of the limited experience, knowledge of clinical complications is limited. Therefore, we describe an unusual complication of dynamic obstruction after aortic valve replacement with a stentless porcine valve in a 70 year old man 18 months after implantation. We discuss the complications of stentless aortic prostheses known so far, describe operative techniques used and their characteristic two dimensional echocardiographic images.
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