20-Year durability of bioprostheses in the aortic position
Bioprostheses have become the predominant diseased aortic valve substitute for aortic valve replacement. The experience of the Society of Thoracic Surgeons was published in 2009 by Brown and colleagues  documenting that the use of bioprostheses increased from 42% in 1996 to 78.4% in 2006. The mechanical prostheses use declined to 20.5%. The use of bioprostheses for aortic valve replacement has increased in Western Europe but not to the same extent. The current contemporary bioprostheses utilized world-wide were, in some cases, delayed by regulatory market approval in the United States. There is considerate opinion in the United States that current bioprostheses have the opportunity for advanced durability. Patients have had a renewed concern of anticoagulation management and complications. The knowledge of durability of the contemporary bioprostheses is of extreme importance in determining the risk of reoperation for SVD.
KeywordsAortic Valve Replacement Jude Medical Mechanical Prosthesis Aortic Position Aortic Porcine
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