Objective To determine value of CT perfusion imaging and brain angiography on diagnosis of vertebrobasilar transient ischemic attack.
目的研究CT灌注成像和脑血管造影对椎基底动脉短暂性缺血发作的诊断价值。
Objective The outbreak mechanism that study brief cerebral ischemia go into action Transient ischemic attack (TIA) and in brain obstruct of clinical meaning.
目的探讨短暂性脑缺血发作（TIA）的发病机制及在脑梗死中的临床意义。
Transient ischemic attack (TIA):a transient episode of neurological dysfunction caused by focal brain, spinal cord, or retinal ischemia, without acute infarction.
w（新的TIA定义为：由于脑、脊髓或视网膜局灶性缺血引起的、未伴发急性梗死的短暂性神经功能障碍。）
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