用于瓣中瓣植入的失败手术支架生物瓣的 CT 衍生内部区域的鉴定。
Identification of CT-derived Internal Area in Failed Surgical Stented Bioprostheses for Valve-in-Valve Implantation.
机构信息
From the Division of Cardiology (S.A.L., D.Y.K., J.M.A., D.W.P., S.J.P., D.H.K.) and Department of Radiology, Research Institute of Radiology (H.J.K., J.W.K., D.H.Y.), Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea.
出版信息
Radiol Cardiothorac Imaging. 2023 Dec;5(6):e230103. doi: 10.1148/ryct.230103.
Abstract
In participants who underwent valve-in-valve transcatheter aortic valve replacement, hypoattenuating intra-annular material within the failed surgical bioprostheses reduced the CT-derived internal area and interfered with expansion of intra-annular-positioned implanted valves, leading to postprocedural patient-prosthesis mismatch.
摘要
在接受经导管主动脉瓣置换术的患者中，失败的外科生物瓣环内的低衰减环形内材料减少了 CT 衍生的内部面积，并干扰了环形内植入瓣膜的扩张，导致术后患者-假体不匹配。
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