Cost-effectiveness of Treatment of Unruptured Intracranial Aneurysms in Patients with a History of Subarachnoid Hemorrhage

For 50-year-old patients with a history of aneurysmal subarachnoid hemorrhage, treatment of unruptured aneurysms that are located in the cavernous carotid artery, or small (<7 mm) and located in the anterior circulation, or large (≥13 mm) and located in the posterior circulation is ineffective or not cost-effective.