Patient with symptomatic intracranial atherosclerotic disease has a poor prognosis,despite the antithrombotic therapy or the extracranial-intracranial(EC-IC) by pass treatment.

• 尽管采用抗栓治疗或搭桥手术治疗,症状性颅内动脉粥样硬化患者的预后仍然不佳。