Abstract
An 86-year-old female with severe aortic valve stenosis underwent transcatheter aortic valve replacement. A balloon-expandable valve was used, guided by a double-stiff guidewire that successfully straightened the aorta. During valve placement, the balloon shifted. After placement of the prosthetic valve, intraoperative transesophageal echocardiography revealed severe mitral regurgitation from the anterior mitral leaflet. Open conversion was performed immediately. A 5-mm hole was identified in the anterior leaflet, and direct closure was chosen for mitral valve repair. While transcatheter aortic valve replacement has gained popularity for patients with severe aortic stenosis and high operative risk, reports of mitral valve perforation are rare.
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