Establishment of standard values for the latency, interval and amplitude parameters of tibial nerve somatosensory evoked potentials (SEPs)
Establishment of standard values for the latency, interval and amplitude parameters of tibial nerve somatosensory evoked potentials (SEPs)
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DOI：
10.1016/s1388-2457(03)00094-4
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发表时间：
2003-07-01
影响因子：
4.7
通讯作者：
Shimizu, T
中科院分区：
文献类型：
--
作者：
Miura, T;Sonoo, M;Shimizu, T
目的：建立胫神经体感诱发电位(SEPs)标准值。方法：对65例不同年龄段的正常人进行左侧胫神经刺激后的SEP检测，并以身高、年龄、(20岁)(2岁)和性别作为预测变量进行多元回归分析。结果：在研究的3种双极导联中，Cz‘-CC导联的P38成分比Cz’-Fz导联或Ci-CC导联的P38成分更恒定、稳定。标准参数为对侧髂骨静息-大转子外侧导联的P80(N8起始点)、P15(P15峰)，Cz‘-CC导联的N21、N30和P380/P38，以及这些成分之间的间隔。P15在所有受试者中都很容易识别，有望成为评估胫神经近端段的新参数。对P15和其他成分的波幅也进行了评估。结论：我们提出了一套完整的胫骨SEP标准值，该标准值充分考虑了主观因素，便于临床应用。(C)2003年国际临床神经生理学联合会。爱思唯尔科学爱尔兰有限公司出版。版权所有。
Objective: To establish standard values for tibial nerve somatosensory evoked potentials (SEPs).Methods: We examined SEPs following left tibial nerve stimulation in 65 normal subjects of various ages, and performed multiple regression analysis using height, age, (age-20)(2) and gender as predictor variables. We objectively selected the latency or interval parameters with less intersubject variability as the standard parameters for evaluation.Results: Among 3 cortical bipolar derivations investigated, the Cz'-Cc lead gave a more constant and stable P38 component than the Cz'-Fz or Ci-Cc lead. The latencies of the N80 (N8 onset) of the popliteal potential, P15 (P15 peak) in the contralateral iliac c rest-ipsi lateral greater trochanter lead, N21, N30 and P380/P38 in the Cz'-Cc lead, as well as the intervals between these components were selected as standard parameters. P15 was easily identified in all of the subjects and is expected to be a new parameter to evaluate the proximal segment of the tibial nerve. The amplitudes of P15 and the other components were also evaluated. We present nomograms for the normal limit values of each parameter.Conclusions: We present a thorough set of standard values for tibial SEPs where the subject factors were fully considered, and which is easily applicable to clinical practice. (C) 2003 International Federation of Clinical Neurophysiology. Published by Elsevier Science Ireland Ltd. All rights reserved.