Neundörfer B, Kömpf D, Dedden J
EEG EMG Z Elektroenzephalogr Elektromyogr Verwandte Geb. 1983 Mar;14(1):39-42.
In 30 healthy volunteers aged 18-30 (ma 13, fem 17) the suralis nerve conduction velocity, the orthodromic NAP-duration and -amplitude were determined using both surface (SE) and needle (NE) stimulating electrodes (lateral malleolus); unipolar needle recording electrodes (sura), however, were used in all trials. Skin temperature was in between 31 and 34 degrees C (mean value 32, 14 degrees C); in each case nerve conduction velocity (NCV) was calculated up to 35 degrees C with 2 m/s per degree of deviation. Both the conduction velocity (SE: 56,78 +/- 6,1 m/s, NE: 53,27 +/- 4,8 m/s) and the NAP-amplitude (SE: 27,3 microV, NE: 12,21 microV) mean values were significantly higher when stimulating with surface electrodes (SE) than with needle electrodes (NE). The normal mean value of NAP-duration, however, was 1,3 ms using either technique. On the base of a linear regression line sensory nerve conduction velocity values with needle electrodes (NE-SNCV) can be transferred into sensory nerve conduction velocity values with surface electrodes (SE-SNCV) by the following formula: NE-SNCV = 26,57 + 0,47 . SE-SNCV.
在30名年龄在18至30岁的健康志愿者（男性13名，女性17名）中，使用表面（SE）和针极（NE）刺激电极（外踝）测定腓肠神经传导速度、顺向性负向动作电位（NAP）的持续时间和波幅；然而，在所有试验中均使用单极针极记录电极（腓肠肌处）。皮肤温度在31至34摄氏度之间（平均值为32.14摄氏度）；在每种情况下，神经传导速度（NCV）均计算至35摄氏度，每偏离1摄氏度校正2米/秒。当使用表面电极（SE）刺激时，传导速度（SE：56.78±6.1米/秒，NE：53.27±4.8米/秒）和NAP波幅（SE：27.3微伏，NE：12.21微伏）的平均值均显著高于使用针极电极（NE）时。然而，无论使用哪种技术，NAP持续时间的正常平均值均为1.3毫秒。根据线性回归线，针极电极（NE-SNCV）的感觉神经传导速度值可通过以下公式转换为表面电极（SE-SNCV）的感觉神经传导速度值：NE-SNCV = 26.57 + 0.47·SE-SNCV。
