脊髓空洞症节段性运动受累模式：一项单纤维肌电图研究。
Pattern of segmental motor involvement in syringomyelia: a single fibre EMG study.
作者信息
Schwartz M S, Stålberg E, Swash M
出版信息
J Neurol Neurosurg Psychiatry. 1980 Feb;43(2):150-5. doi: 10.1136/jnnp.43.2.150.
Abstract
Single fibre EMG has been used to study the pattern of upper limb motor involvement in syringomyelia. Biceps brachii, extensor digitorum communis (EDC) and first dorsal interosseous muscles (1stDI) representing C5/6, C7/8 and C8/T1 segments, were studied. In the biceps the fibre density was slightly increased in most patients, in EDC it was about twice the normal and in the 1stDI it was about three times normal. The potentials were least stable and of longest duration in the 1stDI. These findings seem to indicate a relatively constant pattern of involvement of anterior horn cells in the brachial segments in syringomyelia.
摘要
单纤维肌电图已被用于研究脊髓空洞症中上肢运动受累的模式。对代表C5/6、C7/8和C8/T1节段的肱二头肌、指总伸肌（EDC）和第一背侧骨间肌（1stDI）进行了研究。在大多数患者中，肱二头肌的纤维密度略有增加，在指总伸肌中约为正常的两倍，在第一背侧骨间肌中约为正常的三倍。第一背侧骨间肌的电位最不稳定，持续时间最长。这些发现似乎表明脊髓空洞症中臂丛节段前角细胞受累的模式相对恒定。
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