脑动脉的一过性痉挛或堵塞引起的短暂性缺血,可导致某些发作性症状,临床上以短暂性脑缺血发作(TIA)多见。发作性症状尚可出现在锁骨下动脉盗血综合征、短暂性全面性遗忘症及脑血管后癫癎,应引起注意。1 锁骨下动脉盗血综合征 锁骨下动脉盗血综合征(subclavian steal syndrome,SSS)是指在锁骨下动脉或无名动脉的近侧发生狭窄或闭塞,而位于其远侧的同侧椎动脉内血液发生逆流的一种异 Transient spasm of the cerebral artery or blockage caused by transient ischemia, can lead to some of the onset of symptoms, clinical transient ischemic attack (TIA) more common. Symptoms can still occur in the subclavian artery steal syndrome, transient comprehensive amnesia and cerebrovascular epilepsy, should be noted. 1 subclavian steal syndrome Blood vessels syndrome subclavian steal syndrome (subclavian steal syndrome, SSS) refers to the subclavian artery or unnamed artery stenosis or occlusion, and is located in the distal ipsilateral vertebral artery A countercurrent of blood flow is different