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	Obstruction of left ventricular outflow tract after mechanical mitral valve replacement
	Wu, Qingyu ; Zhang, Lufeng ; Zhu, Rui
	2010-05-11 ; 2010-05-11
关键词	PRESERVATION Cardiac & Cardiovascular Systems Respiratory System Surgery
中文摘要	We successfully operated on a patient with a rare complication of left ventricular outflow tract obstruction after mitral valve replacement. In a 57-year-old woman with previous mitral valve replacement, transthoracic echocardiography showed left ventricular outflow tract obstruction as a result of anterior displacement of the mitral prosthesis and local thickening of the interventricular septum. Cardiac surgery verified this rare lesion. During the operation, the anterior half of the prosthesis ring was cut away from hyperplastic tissue and sutured to the natural mitral annulus. Subaortic hyperplastic tissue was excised to enlarge the left ventricular outflow tract. The patient had an uneventful postoperative recovery, and left ventricular outflow tract obstruction disappeared on postoperative transthoracic echocardiography. (c) 2008 by The Society of Thoracic Surgeons.
语种	英语 ; 英语
出版者	ELSEVIER SCIENCE INC ; NEW YORK ; 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/27599]
专题	清华大学
推荐引用方式 GB/T 7714	Wu, Qingyu,Zhang, Lufeng,Zhu, Rui. Obstruction of left ventricular outflow tract after mechanical mitral valve replacement[J],2010, 2010.
APA	Wu, Qingyu,Zhang, Lufeng,&Zhu, Rui.(2010).Obstruction of left ventricular outflow tract after mechanical mitral valve replacement..
MLA	Wu, Qingyu,et al."Obstruction of left ventricular outflow tract after mechanical mitral valve replacement".(2010).

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