逆向诱发电位论文_Sonoo,M,Hatanaka,Y,,Tsukamoto,H

导读:本文包含了逆向诱发电位论文开题报告文献综述、选题提纲参考文献及外文文献翻译，主要关键词:电位,神经,论文,臂丛,SEPs。

逆向诱发电位论文文献综述

Sonoo,M,Hatanaka,Y,,Tsukamoto,H^[1]（2005）在《正中神经体感诱发电位(SEPs)的N10组分并非一种逆向运动电位》一文中研究指出Objective: To test the hypothesis that the N10 far field potential in median nerve somatosensory evoked potentials is generated by the motor axons by examini ng patients with amyotrophic lateral sclerosis (ALS). Methods: Subjects were 5 A LS patients showing pronounced or complete denervation of median inner vated s mall hand muscles. We evaluated N10 over scalp, and proximal plexus volleys (PPV s) at lateral or anterior cervical electrode. Results: N10 and PPVs were definit ely preserved for every ALS subject. N10 amplitudes of ALS subjects were even si gnificantly larger than control subjects. In one ALS patient completely lacking motor axons, N10 was larger than the largest one among control subjects. Conclus ions: Present results clearly indicate that N10 is not predominantly generated b y motor axons but by the whole median nerve dominated by sensory axons. We propo se a theory that N10 is a junctional potential generated by the entrance of the median nerve into bone at the intervertebral foramen, producing a positive pole at the non cephalic reference electrode. Significantly larger N10 in ALS subjec ts may be due to the lack of cancellation by slower motor axons. Significance: T he hypothesis that N10 is generated by motor axons is refuted, and a new theory of its generation is presented.(本文来源于《世界核心医学期刊文摘(神经病学分册)》期刊2005年02期）