植入非搏动性连续流泵后主动脉瓣无冠瓣血栓形成。
Aortic valve noncoronary cusp thrombosis after implantation of a nonpulsatile, continuous-flow pump.
作者信息
Demirozu Zumrut T, Frazier O H
机构信息
Department of Cardiovascular Surgery, Texas Heart Institute at St. Luke's Episcopal Hospital, Houston, Texas 77030, USA.
出版信息
Tex Heart Inst J. 2012;39(5):618-20.
Abstract
Different institutions have different strategies for managing both native and prosthetic aortic valves in recipients of left ventricular assist devices (LVADs). Anticoagulation protocols and pump-flow algorithms remain nonstandardized. We describe our institutional experience with thrombotic complications and our evolving approach to this important clinical problem. We report the cases of 4 HeartMate II LVAD recipients in whom, despite an anticoagulative regimen, thrombus formed on the noncoronary cusp of the aortic valve. The management of the closed aortic valve in LVAD-supported patients remains problematic.
摘要
不同机构在管理左心室辅助装置（LVAD）接受者的天然和人工主动脉瓣方面有不同策略。抗凝方案和泵流量算法仍未标准化。我们描述了我们机构在血栓形成并发症方面的经验以及我们针对这一重要临床问题不断演变的处理方法。我们报告了4例HeartMate II LVAD接受者的病例，尽管采用了抗凝方案，但主动脉瓣非冠状动脉瓣叶上仍形成了血栓。LVAD支持患者中关闭的主动脉瓣的管理仍然存在问题。
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