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机械双叶主动脉瓣假体的周期性间歇性主动脉反流：诊断及临床意义

Cyclic intermittent aortic regurgitation of a mechanical bileaflet aortic valve prosthesis: diagnosis and clinical implications.

作者信息

Galli Claudia Agnese, Muratori Manuela, Montorsi Piero, Barili Fabio, Polvani Gianluca, Pepi Mauro

机构信息

Centro Cardiologico Monzino, IRCCS, Institute of Cardiology University of Milan, Italy.

出版信息

J Am Soc Echocardiogr. 2007 Nov;20(11):1315.e5-8. doi: 10.1016/j.echo.2007.02.031. Epub 2007 Jun 27.

DOI:10.1016/j.echo.2007.02.031
PMID:17600679
Abstract

We describe a rare case of intermittent dysfunction of a bileaflet mechanical aortic valve prosthesis. Subvalvular pannus overgrowth on the inflow aspect of the prosthesis impeded normal closure of one leaflet causing severe aortic regurgitation, which occurred intermittently. The complementary role of transthoracic and transesophageal echocardiography and cine-fluoroscopy in the diagnosis of this case is described.

摘要

我们描述了一例双叶机械主动脉瓣假体间歇性功能障碍的罕见病例。假体流入侧的瓣下血管翳过度生长阻碍了一个瓣叶的正常关闭，导致严重的主动脉瓣反流，且这种反流呈间歇性发生。本文描述了经胸和经食管超声心动图以及荧光透视电影成像在该病例诊断中的辅助作用。

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引用本文的文献

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Effects of pannus formation on the flow around a bileaflet mechanical heart valve.瓣周膜对二尖瓣机械心脏瓣膜周围流场的影响。
PLoS One. 2020 Jun 12;15(6):e0234341. doi: 10.1371/journal.pone.0234341. eCollection 2020.
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Intermittent, non cyclic severe mechanical aortic valve regurgitation.间歇性、非周期性重度机械主动脉瓣反流。
J Cardiovasc Ultrasound. 2013 Dec;21(4):189-91. doi: 10.4250/jcu.2013.21.4.189. Epub 2013 Dec 27.