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Efficacy of FDA-Approved Hemostatic Drugs to Improve Survival and Reduce Bleeding in Rat Models of Uncontrolled Hemorrhage

机译:FDa批准的止血药物改善大鼠不受控制的出血模型的生存和减少出血的功效

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Several FDA-approved intravenous drugs are used to reduce surgical bleeding. This series of studies tested whether these drugs (aprotinin, desmopressin, tranexamic acid, e-aminocaproic acid) could reduce bleeding due to traumatic injuries in two models of uncontrolled hemorrhage in rats. In the first phase of each study, a lethal liver injury was produced by excising a section of the median lobe (approximately 0.8% of body weight) and an infusion of either vehicle or the test substance was immediately begun. This model included aggressive fluid resuscitation and a severe dilutional coagulopathy. Blood loss, survival time and mortality rate were measured. Three studies were performed, testing each of the drugs singly and in combination. None of the drugs significantly reduced either bleeding time or blood loss in the tail bleeding model, nor were blood loss, survival time or mortality rate altered in the liver injury model. Taken together, these results suggest that these FDA- approved drugs, when used either singly or in combination. are not efficacious in these models of traumatic uncontrolled hemorrhage.

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