与对照组相比较，治疗组可观察到喉返神经的运动神经传导速度和声带的运动均得到了显著的改善。
Significant improvements of motor nerve conduction velocity of the RLN and vocal fold movement were observed in the treatment group when compared to controls.
结果2 0例周围神经传导速度及诱发电位波幅均有异常，且感觉神经较运动神经损害更重。异常率与疗程、病程成正相关性。
Results The peripheral nerve conduction velocity and evoked potential amplitude are all abnormal in 20 patients and the disorders in sensory nerve are more serious than those in the motor one.
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