[The median nerve evoked potential in normal children and youths: normal values].

G Mattigk
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引用次数: 0

Abstract

The derivation of cortical somatosensory evoked potentials permits a good local and functional diagnosis of supratentorial structures and the localisation of damage in this area. The special diagnostical relevance of early cortical somatosensory evoked potentials as a sage, non-invasive examination method in pediatric neurology is given both by these characteristics and by the fact that they cannot, in principle, be influenced by sleep or by drugs affecting the central nervous system. Somatosensory evoked cortical potentials of N. medianus were investigated for 35 children (17 boys, 18 girls) between the ages of 6 and 17, for whom there were no anamnestic or clinical indications of neurological or otological diseases. Investigations demonstrate that the SEPs of the N. medianus from the P15 up to and including the N55, is in every case clearly measurable in children from preschool age up to the end of adolescence. In the evaluation of the cortical SEPs, the P15, N20 and P25 were considered to be the components most stable and those most valuable for clinical practice. These could also be presented with the smallest standard deviations and side differences. The latencies of the P15 and N20 of the N. medianus show significant dependencies on the height of the children. The later potential components, side differences, interpeak intervals and amplitudes show no correlations with height. The SEPs of N. medianus show no dependencies on gender or on physical parameters such as weight or head circumference of the experiments. In summary it can be established that, using the procedure mentioned above, the cortical somatosensory evoked potentials in children can be described well and reproducibly and within practical narrow standard limits.

[正常儿童和青少年正中神经诱发电位:正常值]。
皮质体感诱发电位的推导允许对幕上结构进行良好的局部和功能性诊断,并定位该区域的损伤。早期皮质体感诱发电位作为儿科神经病学的一种明智的、无创的检查方法,具有特殊的诊断意义,这既是由于这些特征,也是由于它们原则上不受睡眠或影响中枢神经系统的药物的影响。本文研究了35例6 ~ 17岁儿童(男17例,女18例)的体感皮层诱发电位,这些儿童均无失忆或神经或耳科疾病的临床指征。调查表明,从P15到包括N55,在每一个情况下,从学龄前到青春期结束的儿童中,中棘球蚴的sep都是明显可测量的。在皮质sep的评价中,P15、N20和P25被认为是最稳定的成分,也是最有临床应用价值的成分。这些也可以用最小的标准差和侧差来表示。中棘球蚴P15和N20潜伏期与幼体身高有显著的相关性。后期电位分量、侧差、峰间间隔和振幅与高度无关。中棘球蚴的sep值与性别、体重、头围等生理参数无关。总之,可以确定的是,使用上述程序,儿童皮质体感诱发电位可以很好地描述和重现,并在实际的狭窄标准范围内。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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