What about medical therapy alone?
D000933:Antifibrinolytic Agents / Q000627:therapeutic use; D002543:Cerebral Hemorrhage / Q000188:drug therapy* / Q000601:surgery; D003509:Cyclohexanecarboxylic Acids / Q000627:therapeutic use*; D006801:Humans; D002532:Intracranial Aneurysm / Q000188:drug therapy* / Q000601:surgery; D011379:Prognosis; D012422:Rupture, Spontaneous; D013345:Subarachnoid Hemorrhage / Q000188:drug therapy; D014148:Tranexamic Acid / Q000627:therapeutic use*
D000933:Antifibrinolytic Agents; D003509:Cyclohexanecarboxylic Acids; D014148:Tranexamic Acid