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Poor long-term stability of the Corvita abdominal stentgraft
Y Georg1, N Settembre2, C Marchand3
1Department of Vascular Surgery and Kidney Transplantation, University Hospital of Strasbourg, Strasbourg, France; Laboratoire de Physique et Mécanique Textile, ENSISA, Mulhouse, France.
Introduction:
The endovascular treatment of abdominal aortic aneurysms was introduced in the early 1990s, with different generations of devices using various options for either the stent skeleton or the membrane.
Report:
Corvita generated one of these devices using braided stainless steel and a porous spun polycarbonate urethane membrane.
Discussion:
In this report, we describe a case involving Corvita stentgraft explantation for complete aneurysm reperfusion after 13 years, demonstrating major degradation of the polyurethane membrane.
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