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European Journal of Echocardiography 2008 9(2):291-293; doi:10.1016/j.euje.2006.09.007
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Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2006. For permissions please email: journals.permissions@oxfordjournals.org

Intermittent acute aortic valve regurgitation: a case report of a prosthetic valve dysfunction

Stefanos E. Karagiannis1,*, G. Karatasakis1, K. Spargias1, L. Louka2, D. Poldermans3 and D.V. Cokkinos1

1 First Department of Cardiology, Onassis Cardiac Surgery Centre, 356 Sygrou Avenue, 17674 Athens, Greece
2 First Department of Cardiac Surgery, Onassis Cardiac Surgery Centre, Athens, Greece
3 Department of Cardiology, Erasmus MC, Rotterdam, The Netherlands

Received 29 May 2006; accepted after revision 30 September 2006; online publish-ahead-of-print 13 November 2006.

* Corresponding author. Tel: +30 210 9493912; fax: +30 210 9493341. E-mail address: stefkarag{at}yahoo.gr (S.E. Karagiannis).


  Abstract

Complications of any mechanical prosthesis include thrombus or pannus formation. In our case report we demonstrate that prosthetic aortic valve regurgitation due to pannus formation may be intermittent and non-cyclic in pattern and therefore not obvious at the time of original clinical examination. Under these conditions and as transesophageal echocardiography cannot be repeated promptly, transthoracic 2-D and Doppler echocardiography should be available at any time when symptoms occur and present the method of choice for acute patient evaluation. Thrombolysis seems to be the first treatment of choice in case of thrombus formation and re-do surgery in case of pannus formation.

Keywords: Intermittent aortic regurgitation; Pannus; Echocardiography


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