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Effects of Interelectrode Separation in Sensory Nerve Conduction Studies Osamu Hasegawa 1 , Mitsuharu Iino 2 , Shunsuke Matsumoto 3,5 , Takayuki Yoshii 4 , Megumi Shimamura 1 1Department of Neurology, Yokohama City University School of Medicine 2Department of Neurology, Yokohama Municipal Citizens' Hospital 3Department of Neurology, Higashi-Matsudo Municipal Hospital 4Division of Clinical Laboratory, Higashi-Matsudo Municipal Hospital Keyword: interelectrode distance , sensory nerve conduction studies , amplitude , sensory nerve action potential pp.699-702
Published Date 1999/8/1
DOI https://doi.org/10.11477/mf.1406901476
  • Abstract
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Sensory nerve action potentials (SNAPs) obtained by conventional sensory nerve conduction studies are greatly influenced by the distance between exploring and reference electrodes. Changes in SNAPs were in-vestigated in 12 healthy median nerves using the or-thodromic and antidromic sensory nerve conduction studies with 1-cm, 2-cm, 3-cm, 4-cm, and 5-cm of in-terelectrode distances. Peak-to-peak (orthodromic) or baseline-to-peak (antidromic) amplitudes and dura-tions between the positive peaks were measured and each value was expressed as a ratio to the recording of 1-cm of interelectrode distance.


Copyright © 1999, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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