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目的利用视觉诱发电位(VEP)判断严重视神经损伤的预后。方法回顾分析30例严重视神经损伤的VEP检测及临床治疗资料,按伤后视力分为A、B两组,统计学分析两组VEP变化及治疗效果。结果闪光视诱发电位(FVEP)是两组差异显著的指标,A、B组FVEP平均波幅下降率分别为79%、43%,治疗后有效率分别为13%、80%,两组间存在显著差异(P<0.01)。结论FVEP对于判断严重视神经损伤的视力预后具有重要价值。
Objective To evaluate the prognosis of severe optic nerve injury by visual evoked potential (VEP). Methods A retrospective analysis of 30 cases of severe optic nerve injury VEP detection and clinical treatment of information, according to the visual acuity after injury is divided into A, B two groups, statistical analysis of two groups VEP changes and therapeutic effect. Results FVEP was the significant difference between the two groups. The average amplitude of FVEP in groups A and B decreased by 79% and 43% respectively, and the effective rates after treatment were 13% and 80% respectively. There was significant difference between the two groups Difference (P <0.01). Conclusion FVEP is of great value in judging the visual prognosis of severe optic nerve injury.