Echocardiography can identify specific abnormal motion patterns, such as rounded diastolic motion and decreased disk excursion, in obstructed Bjork-Shiley mitral valves.
Echocardiography may flag Bjork-Shiley mitral obstruction via rounded diastolic motion; leaves open need for prospective validation before routine adoption.
This report presents an echocardiographic study of a patient with fibrous ingrowth about the sewing ring and hinges of a Bjork-Shiley valve in the mitral position. The valve was obstructed and produced a distinct motion pattern. In addition to having a rounded diastolic motion, the disk excursion was decreased.
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Stephen D. Clements (1978) studied this question.
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