初次植入48年后成功取出球笼型二尖瓣假体
Successful Explantation of a Ball and Cage Mitral Valve Prosthesis 48 Years After Initial Implantation.
作者信息
Rahmouni Kenza, Naidu Justendra, Pearce Neil, Chan Vincent
机构信息
Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.
Department of Anesthesiology, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
出版信息
CJC Open. 2021 Nov 21;4(3):344-346. doi: 10.1016/j.cjco.2021.11.007. eCollection 2022 Mar.
A 58-year-old female had undergone previous mechanical mitral replacement with a Starr-Edwards ball and cage valve (Edwards Lifesciences, Irvine, CA) at 11 years of age for rheumatic disease. The valve functioned well until pannus resulted in prosthetic valve stenosis with class IV dyspnea and pulmonary hypertension. She underwent reoperative mitral replacement with an On-X mechanical mitral prosthesis (Cryolife, Kennesaw, GA) 48 years after initial implantation. To our knowledge, this case represents the longest known implant period of a ball and cage mitral valve in the literature. This presentation highlights the durability of this historic prosthesis, along with the role of reoperative surgery decades after initial implantation.
一名58岁女性11岁时因风湿性疾病接受了史塔尔-爱德华兹球笼瓣（爱德华生命科学公司，加利福尼亚州欧文市）机械二尖瓣置换术。该瓣膜功能良好，直至血管翳导致人工瓣膜狭窄，出现IV级呼吸困难和肺动脉高压。在初次植入48年后，她接受了再次手术，用On-X机械二尖瓣假体（Cryolife公司，佐治亚州肯尼索市）置换二尖瓣。据我们所知，该病例是文献中已知球笼二尖瓣瓣膜植入时间最长的案例。本病例展示了这种具有历史意义的假体的耐用性，以及初次植入数十年后再次手术的作用。
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