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评价应用正中神经压迫试验 (themediannevercompressiontest,MNCT)提高潜伏期诊断腕管综合征 (carpaltunnelsyndrome,CTS)的灵敏性和特异性的作用。将 18例受试者分为CTS组和对照组各 9例。在MNCT前后分别测量 3次远端感觉潜伏期和 1次远端运动潜伏期。结果表明应用MNCT后潜伏期在组间 (P =0 .76 )和个体间 (P =0 .74 )差异均无显著性 ,且潜伏期灵敏性的增加不足 10 % ,提示MNCT不能提高潜伏期诊断CTS的灵敏性或特异性 ,MNCT作为延长标准潜伏期的方法不值得提倡。
Evaluation of the use of the median nerve compression test (MNCT) to improve the sensitivity and specificity of latent period diagnosis of carpal tunnel syndrome (CTS). 18 subjects were divided into CTS group and control group, 9 cases each. Before and after MNCT were measured 3 times distal sensory latency and 1 remote movement latency. The results showed that there was no significant difference between the two groups (P = 0.76) and between individuals (P = 0.74) after incubation with MNCT, and the increase of latency sensitivity was less than 10%, suggesting that MNCT could not increase the latency of diagnosis of CTS Sensitivity or specificity, MNCT as a method to extend the standard incubation period is not worth promoting.