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J Cardiovasc Ultrasound. 2013 Dec;21(4):189-191. English. Case Report. https://doi.org/10.4250/jcu.2013.21.4.189
Choi JH , Choi JH , Song S , Lee MY .
Division of Cardiology, Pusan National University Hospital, Busan, Korea. mariahyeon@hotmail.com
Division of Cardiac Surgery, Pusan National University Hospital, Busan, Korea.
Division of Cardiology, Dankook University College of Medicine, Cheonan, Korea.
Abstract

Mechanical aortic prosthesis dysfunction can result from thrombosis or pannus formation. We describe an unusual case of intermittent, non cyclic mechanical aortic prosthesis dysfunction due to pannus formation with thrombus in the absence of systolic restriction of disk excursion, that presented with intermittent severe aortic regurgitation.

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