研究单位:[1]Beijing Tiantan Hospital[2]Xuanwu Hospital, Beijing[3]Beijing Chao Yang Hospital[4]Beijing Friendship Hospital[5]The Second Hospital of Hebei Medical University[6]Tianjin Medical University General Hospital[7]Tianjin Huanhu Hospital
The first purpose of this study is to find out the clinical benefit and risk of oral aspirin for unruptured intracranial aneurysm (small than 7mm) combined with cerebral ischemia in patients in the real world.
The second purpose of this study is to get the prediction model of aneurysm's rupture in patients who has unruptured intracranial aneurysm (small than 7mm) combined with cerebral ischemia , and find out who is suitable for oral aspirin.