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Case reports

Delayed dislocation of a transapically implanted aortic bioprosthesis

Department of Cardiac Surgery, Hospital Clínico San Carlos, Madrid, Spain

Received 13 January 2009; received in revised form 10 March 2009; accepted 24 March 2009.

^_* Corresponding author. Address: Servicio de Cirugía Cardiaca, Instituto Cardiovascular, Hospital Clínico San Carlos, Plaza de Cristo Rey, s/n, 28041 Madrid, Spain. Tel.: +34 91 330 36 91; fax: +34 91 330 34 53. (Email: lmarotoc.hcsc{at}salud.madrid.org).

Trans-apical aortic bioprosthesis implantation is currently evaluated as an alternative technique in high-risk patients. We report the case of a delayed upward displacement of a prosthesis after this procedure. It is hypothesised that the asymmetric calcification of the native valve and the presence of a mitral prosthesis caused the dislocation.

Key Words: Aortic stenosis • Bioprosthesis • Trans-apical