Estimation of conduction velocity of Aδ fibers in humans

Estimation of conduction velocity of Aδ fibers in humans
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人体 Aδ 纤维传导速度的估计

DOI：
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发表时间：
1991
期刊：
影响因子：
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通讯作者：
H. Shibasaki
H. Shibasaki
中科院分区：
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文献类型：
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作者：
R. Kakigi;C. Endo;R. Neshige;Y. Kuroda;H. Shibasaki

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采用CO2激光刺激人外周神经，用痛相关体感诱发电位测定Aδ纤维的传导速度。发现前臂和小腿的速度约为9 m/s。由于使用电刺激的传统传导研究仅反映与深部本体感觉和触觉相关的大有髓纤维的功能，因此目前的无创和简单的新方法是目前唯一可用于研究介导疼痛-温度感觉的小直径纤维的生理功能的实验室检查。
Conduction velocity of Aδ fibers of the human peripheral nerves was measured by using pain‐related somatosensory evoked potentials following CO2 laser stimulation. It was found to be approximately 9 m/s in the forearm as well as in the lower leg. Because conventional conduction study using electric stimulation reflects only functions of large myelinated fibers related to deep proprioceptive and tactile sensations, the present noninvasive and simple, novel method is the only laboratory examination currently available to investigate physiological functions of the small diameter fibers mediating pain‐temperature sensations.