Clinical Observation in 47 Cases of Posttraumatic Epilepsy

外傷性てんかん47例の臨床観察

Clinical Observation in 47 Cases of Posttraumatic Epilepsy

Creators Ueda Hiroyuki

Creators Shiroyama Yujiro

Creators Imamura Junichi

Creators Hatano Mitsunori

Creators Aoki Hideo

We analyzed clinically 47 cases of Post-Traumatic-Epilepsy (PTE) which had satisfied three items 1), 2) and 3) of the Walker's criteria. The PTE occurred more frequently in young adult males than in females (male 40: female 7). It seemed that the high rate of occurrance of PTE in young adult males was due to the high incidence of severe head injury in males. Fifty-five percent (26/47) of cases had the first attack of epilepsy within 2 years after head injury. Sixty-two percent (24/39) of cases was after severe head injury (Type III or IV by Araki's clasification). Forty-nine percent (23/47) of cases showed skull fractures in plain x-ray films. Nineteen percent (9 with 10 hematomas) of cases had intracranial hematomas in acute phase. In CT examination, 87% (26/30) of cases showed abnormal findings in which the main finding was focal low density areas. In EEG examination, 91% (40/44) of cases showed abnormal findings in which 64% was focal abnormality. In conclusion, it was emphasized that CT scan of brain and EEG were very valuable examinations in diagnosis of PTE.

[ISSN]0513-1731

[NCID]AN00243156