Kyobu geka. The Japanese journal of thoracic surgery
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Case Reports
[A successful removal of a left atrial massive ball thrombus caused by mitral stenosis].
A 66-year-old female with a mitral stenosis and a left atrial massive ball thrombus is presented. She was admitted due to a transient right hemiplegia and a speech disturbance. This thrombus had been detected preoperatively by an echocardiogram and a left atriography. ⋯ The ball thrombus was dark red, 55 x 35 x 32 mm in size and 15 g in weight. After the surgery, the patient progressed well. Because of the high frequency of peripheral embolism and of sudden death, a left atrial ball thrombus should be removed immediately.
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We have reported intrathoracic heart-lung transplantation in rats could be made easily by using Internal Shunt Method as described elsewhere. In this study, we examined the rejection of intrathoracic heart-lung allografts in this model to determine whether acute pulmonary rejection precedes cardiac rejection following heart-lung transplantation or not. Ten heart-lung allografts (no immunosuppressive agent was given) and four isografts were examined pathologically. ⋯ Otherwise, acute cardiac rejection first became apparent pathologically 5 days after transplantation. And their pulsation appeared well 6 days after it. It is concluded that pulmonary rejection precedes cardiac rejection following heart-lung transplantation.
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Case Reports
[A case report of hyperosmolar hyperglycemic non-ketotic coma after aortic valve replacement].
A 56-year-old man without a past history of diabetes mellitus underwent aortic valve replacement. On the 8th postoperative day, the patient became confused with a peak blood glucose level of 600 mg/dl and peak serum osmolarity level of 411 mOsm/l, without ketotic urine. The diagnosis of hyperosmolar hyperglycemic non-ketotic coma (HHNKC) was made, and the patient was immediately treated with massive infusion of 0.45% saline water and continuous insulin administration, and the patient could completely recover. It is important to prevent and keep in mind the complication of HHNKC for the postoperative care after open heart surgery.
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Case Reports
[Surgical treatment of aortic arch aneurysm associated with the aberrant right subclavian artery].
A 64-year-old man, who had an aneurysm of aortic arch associated with the aberrant right subclavian artery, was treated successfully. He was pointed out to have an aneurysm of aortic arch three years ago. Three years later angiograms and computed tomography revealed that it became larger compared with the initial finding. ⋯ Aberrant subclavian artery was not involved in the aneurysm. But because the left subclavian artery was involved in it, a woven Dacron graft was interposed between the ascending aorta and left subclavian artery. Postoperative course was uneventful and there were no complications.
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To investigate disseminated intravascular coagulation (DIC) after valve replacement, we studied DIC score in 80 patients with combined cardiac valvular disease. Thirty-three patients with (TR group) and 47 patients without (control group) tricuspid regurgitation were compared. 1) TR group, that included patients with severe cases, showed a significantly longer operative time and greater bleeding volume (p less than 0.01). 2) The DIC score was significantly higher in TR group. ⋯ These results indicate that patients with combined cardiac valvular disease with tricuspid regurgitation have a hemorrhagic tendency and are subject to DIC. Administration of gabexate mesilate is useful for DIC.