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  • Title: [A case of mitral stenosis with left atrial thrombus arose and reduced in a short-term].
    Author: Ueda M, Shibata N, Miyazaki Y, Miura M, Miyazawa Y, Komatsu Y.
    Journal: Kokyu To Junkan; 1989 May; 37(5):563-7. PubMed ID: 2664932.
    Abstract:
    A case of mitral stenosis with left atrial thrombus which rapidly arose and reduced within a month was reported. A 61-year-old female was admitted to our hospital on November 14, 1986 because of a syncopal attack due to ventricular tachycardia. On admission she had typical auscultatory signs of mitral stenosis, mild hepatomegaly and no neurological abnormality. Laboratory findings included coagulation studies were normal, and atrial fibrillation was noted on ECG. Heart catheterization revealed low cardiac output, the mitral orifice area to be 2.4 cm2 and left ventriculography showed mild mitral regurgitation. Ventricular tachycardia was controlled following improvement of heart failure. On two-dimensional echocardiography performed on December 24, left atrial thrombus was revealed which was not detected on December 3. Through the continuous administration of warfarin and aspirin to prevent the thrombus' growth, it markedly reduced in size, from 3 x 2 x 4.5 cm on December 24, 1986 to 1.5 x 1 x 2.5 cm on January 30, 1987 without systemic embolism. Then a mitral valve replacement and a left atrial thrombectomy were performed on February 3, with the removal of a red thrombus, partially organized, measuring 1 x 0.7 x 2.5 cm. This case is unique in its clinical outcome and further investigation is necessary for the management of patients as our case.
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