Forty-year durability of a Smeloff-Cutter ball valve prosthesis in the mitral position
The Japanese Journal of Thoracic and Cardiovascular Surgery(2011)
摘要
A rare case requiring replacement of an intact Smeloff-Cutter ball prosthesis in the mitral position 40 years after implantation is presented. The Smeloff-Cutter ball valve prosthesis was designed to have two open cages. It has two potential advantages: a relatively large, effective orifice area and its self-washing effect that prevents thrombus formation. There have been only a few reports of survivors with ball valve prostheses in place for more than three decades especially in the mitral position. This is a valuable report describing the long-term durability of a Smeloff-Cutter ball valve prosthesis in the mitral position.
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关键词
Ball valve prosthesis,Mitral position
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