건강한 한국인의 감각신경 전도속도에 관한 연구

초록

Determination of nerve conduction velocity is a simple diagnostic procedure to help evaluate pathology of peripheral nerve. Sensory conduction studies will supplement motor nerve studies and will be helpful judging the extent and location of the nerve injury. For comparison with findings in neuropathy, sensory conduction was studied in 119 healthy Korean, ranging from 3 to 68 years of age along the bilateral median, ulnar and radial nerves and normal values were established. The results obtained were as follows: 1. In 238 median nerves examined, mean values for conduction velocity, latency, amplitude, and duration of the evoked potentials were 61.0±6.9(45.5∼79.6) m/sec, 3.0±0.5(1.8∼4.6) msec, 44.1±20.4(10∼100) ㎶, and 1.2±0.4 (0.5∼3.0) msec, respectively. 2. In 238 ulnar nerves examined, mean values for conduction velocity, latency, amplitude, and duration of the evoked potentials were 62.8±8.7 (43.2∼87.8) m/sec, 3.0±0.7 (1.7∼4.9) msec, 39.3±24.5(5∼100) ㎶, and 1.2±0.5(0.5±3.0) msec, respectively. 3. In 164 radial nerves examined, mean values for conduction velocity, latency, amplitude, and duration of the evoked potentials were 63.6±8.5 (46.2∼86.5) m/sec, 2.7±0.8(1.8∼4.2) msec, 26.6±12.3(10∼85) ㎶, and 1.1±0.3(0.5∼2.0) msec, respectively. 4. No statistical variation was noted with advancing age in sensory conduction velocities, latencies, amplitudes, and durations of the evoked action potentials. 5. There was no significant sex difference in sensory conduction studies and also no difference in opposite extremities