Haanpää M, Häkkinen V, Nurmikko T
Department of Neurology, Tampere University Hospital, Finland.
Muscle Nerve. 1997 Nov;20(11):1433-8. doi: 10.1002/(sici)1097-4598(199711)20:11<1433::aid-mus11>3.0.co;2-2.
Motor involvement in acute herpes zoster is considered rare, but its incidence is unknown. In a sample of 40 patients with acute herpes zoster of varying severity, an abnormal electromyogram (EMG) (fibrillation, positive waves, high-frequency discharges) was found in 21 (53%), suggesting extension of inflammation to the anterior horn and/or anterior motor roots. In the majority of patients these changes were not confined to the segment invaded by the rash but were widespread, extending several segments cranially and caudally, and both ipsi- and contralaterally. In 5 (13%) patients these changes became more extensive on repeat EMG over a period of months. There was no association between severity of rash, pain, postherpetic neuralgia, and EMG changes. We conclude that widespread subclinical motor involvement is relatively common in herpes zoster, may last for months, and is easily detectable by EMG.
急性带状疱疹累及运动功能被认为较为罕见，但其发病率尚不清楚。在40例不同严重程度的急性带状疱疹患者样本中，21例（53%）肌电图（EMG）异常（纤颤、正波、高频放电），提示炎症已扩展至前角和/或前运动根。大多数患者的这些改变并不局限于皮疹侵袭的节段，而是广泛存在，向头侧和尾侧延伸数个节段，且同侧和对侧均有。5例（13%）患者在数月内重复肌电图检查时，这些改变变得更加广泛。皮疹严重程度、疼痛、带状疱疹后神经痛与肌电图改变之间无关联。我们得出结论，广泛的亚临床运动功能受累在带状疱疹中相对常见，可能持续数月，且通过肌电图易于检测到。
