Third-time redo aortic valve replacement with posterior annular enlargement and myectomy.

Abstract

Our objective is to underline that patients with small aortic annulus can present with concomitant left outflow tract obstruction, and both pathologies need to be addressed during surgery to avoid residual symptoms and early re-intervention. We present a third-time re-operation where intra-operative findings revealed degenerated sutureless valve with pannus underneath, which was explanted after meticulous dissection of the prosthesis cuff from the left ventricular outflow tract. The fibrotic ridge was excised and a basal septal myectomy was performed, removing 2.8 g of septal muscle. The aortotomy was extended through the left-non coronary commissure and toward the right and left fibrous trigones. A posterior bovine pericardium 'Y' patch was used for annular enlargement to accommodate a 25 mm INSPIRIS valve. Nonetheless, the mitral valve was repaired with a 29 mm posterior annuloplasty ring, and the tricuspid valve with a 30 mm annuloplasty ring.