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[A case of left atrial thrombus complicated with coarctation of the aorta].

The case was a sixty one year old female who was diagnosed as having acute arterial embolism of right upper arm and underwent embectomy. The detailed examination which followed revealed left atrial myxoma and coarctation of the aorta. Due to the risk of embolism, an emergency operation was performed to install a right axillofemoral bypass with an 8 mm artificial graft. Left atrial myxoma was then excised in an operation using an artificial heart-lung apparatus. Pathological examinations of excised tumor offered no trace of tumor but only of left atrial thrombus. Postoperative results were satisfactory. The pressure difference between upper and lower arms was improved to 0.8 in pressure index from preoperative 0.5 and it became possible to control the blood pressure of upper arm within the level of 130 to 150 mmHg. Axillofemoral bypass is an effective method for a case like the above where a site of coarctation of the aorta cannot be directly repaired.