• Journal of neurosurgery · Apr 1980

    Comparative Study

    Preoperative treatment of ruptured intracranial aneurysms with tranexamic acid and monitoring of fibrinolytic activity.

    • J A Alvarez Garijo, J J Vilches, and J A Aznar.
    • J. Neurosurg. 1980 Apr 1; 52 (4): 453-5.

    AbstractThe fibrinolytic activity in cerebrospinal fluid has been monitored by determination of levels of fibrin split products (FSP) in 23 patients with ruptured intracranial aneurysms. In 20 of these 23, FSP was found in the cerebrospinal fluid (CSF), with levels ranging from 10 to 80 micrograms/ml. Eleven of the 23 patients were treated with 2 gm tranexamic acid daily. In these patients FSP was found in only two cases during the 2nd week, while in 12 untreated patients it was found in 10 cases. These results suggest that there exists a localized fibrinolytic activity, and monitoring the FSP levels in the CSF may be a simple and accurate method for controlling the efficiency of antifibrinolytic therapy. Thus, treatment could be begun with a lower dose, which could be increased later as deemed necessary from the results of careful monitoring.

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