A prosthesis with a self-expanding nitinol frame firmly incorporates into the aortic wall and thus is difficult to explant. We introduce a novel technique that simplifies explantation.

中文翻译：

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自膨式经导管主动脉瓣的简易手术摘除技术：“套索技术”

具有自膨胀镍钛诺框架的假体牢固地结合到主动脉壁中，因此难以外植。我们介绍了一种简化外植的新技术。