Recurrent prosthetic valve thrombosis: importance of prolonged Doppler echocardiography examination for diagnosis
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Updated: Sep 21, 2026

Echocardiographic Approaches and Protocols for Comprehensive Phenotypic Characterization of Valvular Heart Disease in Mice
Published on: February 14, 2017
Abstract:
In a 9-month period a 52-year-old woman was admitted on 3 occasions with thrombotic obstruction of a Medtronic Hall aortic valve prosthesis. On the first occasion the diagnosis was clinically obvious; on the second occasion prosthetic valve malfunction was detected fortuitously on Doppler echocardiography; on the third occasion the diagnosis was made after prolonged Doppler echocardiographic examination. The patient was treated with thrombolysis, surgical thrombectomy, and aortic valve re-replacement on the 3 occasions, respectively.
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