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Ventricular Septal Perforation Caused by the Strut of a Mitral Valve Bioprosthesis
Hanna H Dagnegård1, Martin Ugander2, Jan Liska1
1Department of Cardiothoracic Surgery and Anesthesiology, Karolinska University Hospital, Stockholm, Sweden; Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.
Abstract:
Ventricular rupture is a well-known complication of mitral valve replacement. We report a rare complication in which the strut of a recently implanted mitral bioprosthesis eroded through the ventricular septum. We present the strategy of the reoperation in which the sutures holding the repair patch were also used to support the new prosthesis. In addition to ventricular rupture and obstruction of the left ventricular outflow tract by a mitral bioprosthesis, the risk of iatrogenic ventricular septal defect (VSD) should be considered when choosing, sizing, and implanting a mitral bioprosthesis.
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