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Journals and Conferences
Thirty-eight patients undergoing a cardiac operation randomly received either tranexamic acid, a potent inhibitor of plasminogen, or placebo in an effort to determine whether prophylactic antifibrinolytic therapy reduces chest tube drainage. Twelve-hour blood loss was 750 +/- 314 (standard deviation) ml in the placebo group and 496 +/- 228 ml in the drug… (More)
BACKGROUND Prophylactic administration of the antifibrinolytic drug tranexamic acid decreases bleeding and transfusions after cardiac operations. However, the best dose of tranexamic acid for this purpose remains unknown. This study explored the dose-response relationship of tranexamic acid for hemostatic efficacy after cardiac operation. METHODS In… (More)
BACKGROUND Use of the left internal thoracic artery as a bypass graft has been shown to result in better long-term patency and improved survival. In elderly patients, the internal thoracic artery has been used less often for coronary artery bypass grafts because of the belief that greater morbidity and mortality are associated with this procedure. This… (More)
Intraoperative reversible cryothermal mapping of recurrent ventricular tachycardia was performed in seven patients with left ventricular aneurysms with use of a 0 degrees C ice probe. A single, reproducible cryotermination site was found in each patient. The cryotermination site was uniformly located in an area where local electrograms obtained during… (More)
BACKGROUND Desmopressin-induced release of tissue plasminogen activator from endothelial cells may explain the absence of its hemostatic effect in patients undergoing cardiac surgery. Prior administration of the antifibrinolytic drug tranexamic acid might unmask such an effect, and combination therapy might thereby improve postoperative hemostasis. … (More)
A 55-year-old male without previous medical history developed chest pain. Coronary catheterization showed left main coronary dissection. Coronary artery bypass grafting was performed using bilateral internal mammary arteries, which were very fragile. The specimens of the internal mammary arteries sent for pathology showed cystic medial necrosis.
Seven hundred and eight adults (age > or = 16 years) with isolated aortic (n = 433) or mitral (n = 275) Ionescu-Shiley Low-Profile (ISLP) pericardial valves were followed at 14 implanting centres in Canada, the United Kingdom, and the United States for a mean of 6.7 years, providing 4,729 patient-years of clinical data. The operative mortality rate was 3.0%… (More)
We report a rare case of an inflammatory descending aneurysm. At surgery, the patient had multiple aneurysms on the descending aorta. Histology of the specimen demonstrated an infiltration of chronic inflammatory cells in the aortic media.