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In a patient with a Kay-Shiley mitral prosthesis, the echocardiographic atrial emptying index was abnormally low in the presence of prosthetic mitral regurgitation without stenosis.
Case Report (n=1)
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The atrial emptying index on echocardiography may be abnormally low in cases of prosthetic mitral regurgitation without stenosis, mimicking obstruction.
A patient with a Kay-Shiley mitral prosthesis had abnormal intermittent systolic tilting of the prosthetic disc by cinefluoroscopy. Echocardiography revealed an abnormal "atrial emptying index" consistent with mitral obstruction. Catheterization revealed mitral regurgitation without stenosis. At surgery, there was no prosthetic orifice obstruction. It was concluded that the atrial emptying index may be abnormally low in prosthetic mitral regurgitation without stenosis.
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Skorton et al. (1979) conducted a case report in Prosthetic mitral valve malfunction (n=1). Echocardiography (atrial emptying index) was evaluated on Diagnosis of prosthetic mitral regurgitation without stenosis. In a patient with a Kay-Shiley mitral prosthesis, the echocardiographic atrial emptying index was abnormally low in the presence of prosthetic mitral regurgitation without stenosis.
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