中文摘要：

目的探讨F波参数在脑梗死偏瘫患者肢体功能恢复中的变化规律。方法选择初发脑梗死偏瘫患者60例，分为实验组（进行药物和早期康复治疗1个月）和对照组（进行单纯药物治疗1个月）各30例。采用维迪kepoint．net肌电一诱发电位仪，在患者治疗前、治疗后15、30d分别进行偏瘫侧和非瘫痪侧上肢正中神经、下肢胫神经的F波检测，记录平均F波的波幅、潜伏期、出现率，结合FMA量表进行评分。结果实验组与对照组比较患侧F波的波幅、FMA评分治疗前、治疗后15d比较，差异无统计学意义（P〉0．05）；治疗后30d评分比较差异有统计学意义（P〈0．05），2组F波潜伏期、出现率比较差异差异无统计学差意义（P〉0．05）；脑梗死治疗前F波波幅偏瘫侧低于正常，非瘫痪侧高于正常，差异有统计学意义（P〈0．05）；实验组于治疗1个月患侧F波波幅接近正常，对照组患侧F波波幅明显高于正常（P〈0．05）。结论F波波幅是脑梗死偏瘫早期康复评价的比较客观敏感的神经电生理指标。

英文摘要：

Objective To evaluate the change regularity of F - wave parameters on restoration of extremity function of patients with cerebral infarction caused hemiparalysis. Methods 60 cases of onset hemiplegia patients who suffered from cerebral infarction were randomly divided into two groups （n = 30）. Cases in experimental group underwent medication and early rehabilitation therapy, and cases in the control group only took medications. All the cases were recorded the F - wave of bilateral median and tibial nerves by Weidi Key- point. NET motor evoked potential instrument, and marked the score of FMA scale. Results There were statistical differences in F - wave amplitude and FMA score between the two groups （ P 〈 O. 05 ） and no differences in F - wave incubation and occurrence rate （ p 〉 o. 05）. The F - wave amplitude in experimental group reached the normal ground after one month, on the contrary the control group was still higher （ P 〈0. 05 ）. In the early stage of cerebral infarction, the F - wave amplitude of paralysis side was lower than normal range and non - paralysis side was higher （ P 〈 0.05 ）. Conclusion The F - wave amplitude is an objective and sensitive neuroelectrophysiological indicator in evaluation of early rehabilitation of patients with hemiparalysis caused by cerebral infarction.