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20例难治性癫痫作36次脑电图检查。结果正常1例;慢波轻～中度弥漫性增多12例;痫性放电7例(痫波检出率35％)。其改变与起病年龄、病程长短密切相关。这种脑电图的特征:1.痫性放电不多见,尽管临床发作频繁,病程长;2.以慢波增多较常见,提示多有大脑机能的损害;3.抗痫治疗前后的变化不明显,即临床控制与脑电图改善无平行关系。
20 cases of intractable epilepsy made 36 times EEG. The results were normal in 1 case; slow-wave light to moderately diffuse increased in 12 cases; epileptic discharge in 7 cases (the detection rate of epileptic wave was 35%). The change is closely related with the age of onset and duration of disease. The characteristics of this EEG: 1. Epileptiform discharge rare, despite the frequent clinical episodes, longer duration; 2. The more frequent increase in slow waves, suggesting that more damage to the brain function; 3. Changes before and after anti-epilepsy treatment Obviously, there is no parallel between clinical control and EEG improvement.