The 24 h rebleeding rate after aneurysmal subarachnoid hemorrhage is 4–20%. Antifibrinolytic therapy reduces this rate, but the treatment has been associated with an increase in ischemic deficits.

metoprolol 1–5 mg/h, iv. hydralazine 1.5–7.5 mg/h, iv. clonidine 0.03–0.12 mg/h Prevention of rebleeding Aneurysm repair through coiling or clipping Option: ε-aminocaproic acid 4 g iv., ...