Successful removal of ball thrombus in the left atrium]
[Zasshi] [Journal]. Nihon Kyōbu Geka Gakkai(1989)
Abstract
Two cases of left atrial ball thrombus associated with severe mitral stenosis in which echocardiography provided the clue to the diagnosis preoperatively were reported. First case was a 58 years old man who was admitted because of dyspnea and frequent syncopal attacks. An echocardiographic examination revealed a tight mitral stenosis and a floating ball thrombus in the left atrium. Under the extracorporeal circulation, the ball thrombus, 30 X 40 mm in size, weight 20 g was taken out. The other case was a 51 years old woman who had undergone surgery for closed mitral commissurotomy 14 years ago. She had a episode of syncope attack and a sudden loss of consciousness. The removed thrombus was 20 X 26 mm in size and weighed 5 g. Their cut surfaces showed an laminated structure in both cases. These mitral valves were replaced by Björk-Shiley prosthetic valves.
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Key words
left atrium,ball thrombus,successful removal
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