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作者指出测定感觉神经动作电位的方法有两种:(1)逆向法——刺激感觉神经近端,在末端皮肤区记录感觉神经动作电位;(2)顺向法——刺激末端感觉神经,在相应的神经干上记录电位.自 Dawson’s 早期研究后,许多研究者对正常和病理情况下的感觉神经动作电位进行了研究.虽然某些研究者提出顺向法和逆向法潜伏时之间可能有所不同,但经统计学证明无差异.因此,电诊断教科书中,一直将顺向和逆向传导潜伏时列为无差异.作者注意到正中神经和尺神经的顺向感觉潜伏时较逆向法短,因而提出对健康人进行两种测定法的对比研究,观察是否有统计学的或临床的关系.
The authors point out that there are two ways to measure the sensory nerve action potential: (1) the reverse method - stimulating the proximal sensory nerve and recording the sensory nerve action potential in the distal skin area; (2) the forward approach - stimulating the terminal sensory nerve in Corresponding neural stems record potential.After Dawson’s early study, many investigators have studied sensory nerve action potentials in both normal and pathological conditions.Although some researchers have suggested that there may be a correlation between forward and reverse latency Different, but statistically no difference.Therefore, the textbook of electrical diagnosis, has been forward and reverse conduction latent as no difference between the authors noted that the median nerve and ulnar nerve forward when the latency is shorter than the reverse method , Thus proposed a comparative study of two assays for healthy people to see if there is a statistical or clinical relationship.