Mitral annular reconstruction with anterior leaflet flip-over in concomitant surgery for mitral regurgitation associated with extensive posterior annular calcification and hypertrophic obstructive cardiomyopathy |
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Authors: | Hiroshi Okamoto Akinori Tamenishi Yutaka Itoh and Takao Niimi |
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Institution: | (1) Department of Thoracic and Cardiovascular Surgery, Yokkaichi City Hospital, 2-22-37 Shibata, Yokkaichi, 510-8567 Mie, Japan |
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Abstract: | We describe a case of severely calcified posterior mitral annulus associated with grade IV mitral re-gurgitation in addition
to significant hypertrophic obstructive cardiomyopathy. A 70-year-old woman underwent successfully annular reconstruction
with anterior mitral leaflet flip-over and mitral valve replacement with a bileaflet mechanical prosthesis combined with left
ventricular septal myectomy. This technique can serve not only to cover the debrided posterior annulus, but also to eliminate
left ventricular outflow tract obstruction and to keep left ventricular function by virtue of not severing ventricular-annular
continuity. |
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Keywords: | mitral valve replacement mitral annular calcification mitral regurgitation annular reconstruction flip-over |
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