Guindi G M, Bannister R, Gibson W P, Payne J K
J Neurol Neurosurg Psychiatry. 1981 Jan;44(1):49-53. doi: 10.1136/jnnp.44.1.49.
In five patients with multiple system atrophy, electromyographic studies using a new surface electrode technique, showed unequivocal evidence of denervation of the posterior crico-arytenoid muscle, and in three of them, of the interarytenoid muscle or crico-pharyngeal sphincter. By comparison, only minor electromyographic abnormalities were found in one-third of patients with other extra-pyramidal syndromes, though in two cases, the abnormalities were of a different kind from those found in multiple system atrophy.
在5例多系统萎缩患者中,采用一种新的表面电极技术进行的肌电图研究显示,有明确证据表明环杓后肌存在失神经支配,其中3例患者的杓间肌或环咽括约肌也存在失神经支配。相比之下,在三分之一的其他锥体外系综合征患者中仅发现轻微的肌电图异常,不过有2例患者的异常与多系统萎缩患者中发现的异常不同。