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首页> 外文期刊>Journal of cardiac surgery. >The role of pannus in the longevity of an ionescu-shiley pericardial bioprosthesis.
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The role of pannus in the longevity of an ionescu-shiley pericardial bioprosthesis.

机译:nu虫在电离型心包生物假体的寿命中的作用。

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As the population ages, bioprosthetic heart valves are increasingly being used to replace diseased native valves. Bioprosthetic valve durability depends on patient age and other factors, but rarely exceeds 15 years. Explanted bioprosthetic valves commonly show tissue degeneration, tears, and calcification. Host tissue overgrowth (pannus), to the extent of interfering with their function, is another finding in bioprostheses that have been in place for long periods. We present a case in which a bovine pericardial valve was explanted after more than 20 years of implantation. The longevity of this pericardial valve may have been related to excessive pannus growth, which most likely protected the valve from earlier failure. (J Card Surg 2006;21:505-507).
机译:随着人口的老龄化,越来越多地使用生物假体心脏瓣膜来代替患病的天然瓣膜。生物人工瓣膜的耐用性取决于患者的年龄和其他因素,但很少超过15年。外植生物瓣膜通常显示组织变性,眼泪和钙化。宿主组织过度生长(pan)在一定程度上影响了它们的功能,这是生物假体在长期存在中的另一个发现。我们介绍了一个案例,其中植入了20多年的牛心包瓣膜。这种心包瓣膜的寿命可能与血管pan过度生长有关,这很可能保护了瓣膜免受早期衰竭。 (J Card Surg 2006; 21:505-507)。

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