Surg Neurol
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Antifibrinolytic drugs have been investigated in a series of 58 patients with recent aneurysmal subarachnoid hemorrhage. It is concluded that tranexamic acid (AMCA) provides a rational method for reducing the frequency of recurrences, and that antifibrinolytic treatment is a preliminary to surgical intervention. ⋯ There is evidence also that hydrocephalus due to adhesive arachnoiditis is a rare occurrence. The last 20 patients of the present series have been treated with very low doses of AMCA associated with parotid kallikrein inhibitor (Trasylol); this dosage has been effective in preventing recurrence and has appeared to be freer from severe side effects.