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Dynamic left ventricular outflow tract obstruction when the anterior leaflet is retained at prosthetic mitral valve
The Annals of Thoracic Surgery
|May 1, 1987
Abstract:
Dynamic left ventricular outflow tract obstruction developed in a patient in whom the anterior leaflet was retained at mitral valve replacement. It was caused by systolic anterior movement of the native anterior leaflet. Reduced outflow tract diameter, resulting from both posterior displacement of the septum and anterior displacement of the native anterior leaflet by porcine stents, was likely instrumental in promoting dynamic obstruction.