Borg K, Borg J
J Neurol Neurosurg Psychiatry. 1987 Apr;50(4):443-6. doi: 10.1136/jnnp.50.4.443.
The axonal conduction velocity and the axonal refractory period were determined using electromyographic techniques for 60 single motor units in 11 patients with antecedent poliomyelitis. The results were compared with previous observations in healthy subjects as well as subjects with motor neuron disease. In antecedent poliomyelitis there was a reduced proportion of nerve fibres with low conduction velocity as compared with the findings in healthy subjects. The mean value of the axonal conduction velocities in antecedent poliomyelitis (42.4 +/- 3.7 m/s, M +/- SD) was significantly higher (p less than 0.01) while in motor neuron disease the corresponding value (35.2 +/- 7.8 m/s) was significantly lower (p less than 0.005) than in healthy subjects (39.8 +/- 4.9 m/s). In antecedent poliomyelitis the conduction velocity and refractory period were related as in healthy subjects while abnormally long refractory periods were observed in motor neuron disease.
采用肌电图技术测定了11例既往患过小儿麻痹症患者60个单运动单位的轴突传导速度和轴突不应期。将结果与健康受试者以及运动神经元疾病患者之前的观察结果进行了比较。与健康受试者的结果相比，既往患过小儿麻痹症的患者中传导速度低的神经纤维比例降低。既往患过小儿麻痹症患者的轴突传导速度平均值（42.4±3.7米/秒，均数±标准差）显著高于健康受试者（39.8±4.9米/秒）（p＜0.01），而运动神经元疾病患者的相应值（35.2±7.8米/秒）显著低于健康受试者（p＜0.005）。在既往患过小儿麻痹症的患者中，传导速度和不应期与健康受试者一样相关，而在运动神经元疾病中观察到不应期异常延长。
