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Ann Thorac Surg 1999;68:255-257
© 1999 The Society of Thoracic Surgeons

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Case Reports

Left ventricular outflow tract obstruction with mitral mechanical prosthesis

^a Department of Cardiac Surgery, Virgen de la Victoria University Hospital, Málaga, Spain
^b Department of Cardiology, Virgen de la Victoria University Hospital, Málaga, Spain

Address reprint requests to Dr Melero, Department of Cardiac Surgery, Virgen de la Victoria University Hospital, Campus Universitario Teatinos, 29010 Málaga, Spain

Left ventricular outflow tract obstruction after mitral valve replacement may occur when the native mitral apparatus is preserved intact. Although it has usually been reported using bioprostheses, we present one case using a low-profile mechanical prosthesis. The reduction of left ventricular dimensions and valvular redundancy contributed to this complication. We obtained definitive relief of left ventricular outflow tract obstruction by transaortic exposure and partial resection of the obstructing tissue with the help of video-assisted cardioscopy.

This article has been cited by other articles:

				Q. Wu, L. Zhang, and R. Zhu Obstruction of Left Ventricular Outflow Tract After Mechanical Mitral Valve Replacement Ann. Thorac. Surg., May 1, 2008; 85(5): 1789 - 1791. [Abstract] [Full Text] [PDF]

				G.W. Rietman, J.M.A.A. van der Maaten, Y.L. Douglas, and P.W. Boonstra Echocardiographic diagnosis of left ventricular outflow tract obstruction after mitral valve replacement with subvalvular preservation Eur. J. Cardiothorac. Surg., November 1, 2002; 22(5): 825 - 827. [Abstract] [Full Text] [PDF]