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Issei Kiso
Ryuichi Takahashi
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Ann Thorac Surg 2006;82:735-737
© 2006 The Society of Thoracic Surgeons

Case report

Left Ventricular Outflow Obstruction After Mitral Valve Replacement Preserving Native Anterior Leaflet

Kazuma Okamoto, MD*, Issei Kiso, MD, PhD, Yoshihito Inoue, MD, PhD, Hideki Matayoshi, MD, Ryuichi Takahashi, MD, PhD, Yasuhiro Umezu, MD

Department of Cardiovascular Surgery, Saiseikai Tochigiken Utsunomiya Hospital, Utsunomiya, Tochigi, Japan

Accepted for publication October 10, 2005.

* Address correspondence to Dr Okamoto, Shinanomachi 35, Shinjuku, Tokyo, 160-8582 Japan (Email: kazuma{at}mail.com).

Left ventricular outflow obstruction may result from preserving the anterior leaflet after mitral valve replacement. A 79-year-old woman, who had a mitral valve replacement with the native mitral leaflets left intact 16 years before, was admitted to our hospital with severe dyspnea due to heart failure. Echocardiography showed systolic anterior motion of preserved anterior mitral leaflet, and continuous wave Doppler detected severe left ventricular outflow tract jets during systole without mitral chordal rupture. Surgical incising of the anterior mitral leaflet through the aortic root relieved the obstruction without removing the prosthetic mitral valve.




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 Anesth. Analg.Home page
P. Tewari and R. Basu
Left Ventricular Outflow Tract Obstruction After Mitral Valve Replacement
Anesth. Analg., January 1, 2008; 106(1): 65 - 66.
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