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1961年Bickerstaff在300例偏头痛患者中,把明确有脑底动脉灌流区域的机能障碍,有前驱症状的34例患者称为基底动脉偏头痛.其典型的发作过程如下:(1)首先出现视觉异常.(2)数分钟到45分钟相继出现运动失调,构音障碍,眩晕,耳鸣,四肢末端的感觉异常,猝倒等等.(3)这些症状达到高峰之后,迅速的消失.搏动性头痛主要出现在枕部.但是这些神经症状和头痛没有一定的时间关系,也可同时存在.有时作为前驱症状或伴随症状出现意识障碍.视觉症状与古典偏头痛的一侧视野“城堡样光谱”不同,为全盲.大多数两侧视野均出现闪光,什么也看不见.Bickerstaff指出在32例基底动脉偏头痛中有8例有意识障碍,并出现在脑干及小脑的前驱症状的高峰期.这种意识障碍与癫痫的意识障碍不同.此症不是突然发作,因此不会跌倒受伤.意识障碍
In a study of 300 migraineurs in 1961, Bickerstaff called dysfunction in the area of cerebral artery perfusion, 34 patients with prodromal symptoms, referred to as basilar artery migraine.1 The typical course of attack was as follows: (1) visual Abnormalities. (2) A few minutes to 45 minutes one after the other appeared dyskinesia, dysarthria, dizziness, tinnitus, sensory abnormalities at the extremities, cataplexy, etc. (3) These symptoms quickly disappear after their peak. Mainly in the occipital.But these neurological symptoms and headache do not have a certain time relationship can also exist at the same time, sometimes as a precursor to symptoms or accompanied by symptoms of disturbance of consciousness visual symptoms and the side of the classical migraine vision “castle-like spectrum ”Unlike the blind, most flanks of vision flashed on either side of the field, and Bickerstaff pointed out that eight of 32 patients with basilar migraines had an episodic disturbance of consciousness and peaked at the brainstem and cerebellum’s prodromal symptoms. This disturbance of consciousness is different from the disturbance of consciousness in epilepsy. It is not a sudden onset and therefore does not fall.