Abstract
One or more breaks in the wire frame of the HELEX Septal Occluder (W.L. Gore and Associates, Flaggstaff, Arizona) were identified in 5% of patients in the multicenter pivotal trial leading to FDA approval. Fractures of the perimeter frame have not previously been associated with any apparent deleterious clinical effects. We report a case in which the broken ends of wire at a frame fracture were located in a position that resulted in perforation of the anterior mitral valve leaflet. There was significant mitral regurgitation and the device was removed surgically. The possible etiologies and prevention of wire frame fractures are also discussed.
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