TIAs 中20%～30%与椎-基底动脉缺血有关。尽管颈动脉 TIA 与椎-基底动脉 TIA 发生卒中的危险度相似,但有关影响脑干或小脑 TIA 远期预后的因素却知之甚少。作者回顾性评价了1983～1990年住院治疗的630例幕下缺血病人的功能状况。其中 TIA226例 20% to 30% of TIAs are associated with vertebrobasilar ischemia. Although the risk of stroke in carotid TIA and vertebrobasilar TIA is similar, little is known about the long-term prognostic factors affecting the brainstem or cerebellar TIA. The authors retrospectively evaluated the functional status of 630 infratemporal ischemic patients admitted to hospital from 1983 to 1990. One TIA226 cases