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在室温26℃～29℃条件下,对慢性二硫化碳(CS_2)中毒患者与正常人正中、尺、腓总和胫神经运动传导速度(MCV)和神经诱发电位(NEP)按常规进行了测定。发现除腓总神经患者组较正常对照组MCV减慢外,其它三条神经MCV两组无明显区别。与正常对照组比较,患者组腓总神经NEP时程增宽、电压下降、时相增多、尺神经和胫神经电压下降。结果表明:慢性CS_2中毒腓总神经较其它神经容易受 侵;神经诱发电位的改变较MCV的改变对诊断慢性CS_2中毒性周围神经炎更为敏感。
Chronic carbon disulfide (CS_2) poisoning in patients with normal middle, ruler, peroneal total tibial nerve conduction velocity (MCV) and nerve evoked potentials (NEP) were routinely determined at room temperature 26 ℃ ~ 29 ℃. Found that in addition to the common peroneal nerve group compared with the normal control group MCV slowed down, the other three nerve MCV no significant difference between the two groups. Compared with the normal control group, the NEP duration of the common peroneal nerve in patients increased, the voltage decreased, the phase increased, and the ulnar nerve and tibial nerve decreased. The results showed that the peroneal nerve of chronic CS2 poisoning was more easily invaded than other nerves. The change of nerve evoked potentials was more sensitive than the change of MCV in the diagnosis of chronic CS2 toxic peripheral neuritis.