International journal of cardiac imaging, Volume 15, Issue 3, 1 1 1999, Pages 209-214 Dynamic obstruction, an unusual complication after aortic valve replacement with a stentless porcine valve. van Roosmalen RP, Baur LH, Braun J, Atsma DE, Hazekamp MG, van der Wall EE, Huysmans HA
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.
