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European Journal of Echocardiography Advance Access originally published online on April 14, 2008
European Journal of Echocardiography 2008 9(5):704-706; doi:10.1093/ejechocard/jen138
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Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2008. For permissions please email: journals.permissions@oxfordjournals.org

‘Obstruction alternans’ of a Sorin tilting disc prosthetic mitral valve: a case of emergency action

Loukianos S. Rallidis1,*, Costas Papadopoulos1, John Kanakakis2, Ioannis Paraskevaidis1 and Dimitrios T. Kremastinos1

1 Second Department of Cardiology, Attikon Hospital, School of Medicine, University of Athens, Athens, Greece
2 Department of Clinical Therapeutics, Alexandra Hospital, School of Medicine, University of Athens, Athens, Greece

Received 9 January 2008; accepted after revision 9 March 2008; online publish-ahead-of-print 14 April 2008.

* Corresponding author. Tel: +30 210 992 9106; fax: +30 210 5832351. E-mail address: rallidis{at}ath.forthnet.gr


  Abstract

We present a patient with a history of a Sorin tilting disc prosthetic mitral valve implanted 20 years ago who developed acute dyspnoea. Echocardiogram revealed a unique pattern of ‘obstruction alternans’ of mitral valve prosthesis due to pannus formation. We emphasize the need for urgent surgical treatment of this potentially fatal complication.

Keywords: Mitral prosthesis; Tilting disc; Obstruction alternans


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