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①目的 观察小儿轻度闭合性颅脑损伤病人的脑波改变。②方法 应用脑电图对１３３ 例轻度闭合性颅脑损伤病儿进行检查，并与１５５ 例成人轻度闭合性颅脑损伤脑电图结果进行比较。③结果 小儿脑电图异常率为６４．７％ ，明显高于成人１９．４％ ，差异有极显著意义（χ２＝ ６１．０８，Ｐ＜ ０．００５）；小儿组有意识障碍者脑电图异常率为９４．３％ ，高于无意识障碍者（５４．１％ ），差异有显著意义（χ２ ＝ １８．２４，Ｐ＜ ０．０１）； 脑电图异常率随病程的延长而下降（χ２ ＝ １５．１４，Ｐ＜ ０．０１）。④结论 脑电图检查可以反映小儿轻度闭合性颅脑损伤的程度及病情变化。
Objective To observe the changes of brain waves in children with mild closed head injury. Methods EEG was used to examine 133 children with mild closed head injury and compared with EEG data of 155 mild closed head injury patients. Results The abnormal rate of EEG in children was 64.7%, significantly higher than that of 19.4% in adults (χ2 = 61.08, P <0.005). EEG in children with impaired consciousness The abnormal rate was 94.3%, higher than that of unconscious people (54.1%), the difference was significant (χ2 = 18.24, P <0.01); the abnormal rate of EEG decreased with the prolongation of the course χ2 = 15.14, P <0.01). ④ Conclusion EEG examination can reflect the degree of mild closed head injury in children and changes in the disease.