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Ann Thorac Surg 1997;64:1805-1806
© 1997 The Society of Thoracic Surgeons

Case Report

Left Ventricular Outflow Tract Obstruction After Mitral Valve Replacement

Didier De Canniere, MD, PhD, Jean-Luc Jansens, MD, Philippe Unger, MD, PhD, Jean-Louis Le Clerc, MD

Department of Cardiac Surgery, Erasme University Hospital, Brussels, Belgium

Accepted for publication August 1, 1997.

We describe a patient with left ventricular outflow tract obstruction after mitral valve replacement preserving the anterior subvalvular apparatus. Postoperative transesophageal echocardiography demonstrated systolic narrowing of the left ventricular outflow tract by a bulging septum and systolic anterior motion of the preserved anterior mitral leaflet. Septal myectomy and transaortic mitral apparatus resection enabled us to relieve the left ventricular outflow tract obstruction. This suggests that septal hypertrophy might be a relative contraindication to the preservation of the anterior mitral subvalvular apparatus in mitral replacement.


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Invited Commentary
Denton A. Cooley
Ann. Thorac. Surg. 1997 64: 1806. [Extract] [Full Text]



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