Abstract
Head injury is increasing its incidence in the recent years, and is considered as a important clinical entity due to its capability for mortal result. However, the possible cerebral dysfunction caused by the trauma is another most important factor of the head injury.
Because EEG is an useful examination in clinical stand-point, we record EEG at chronic stage after the injury for evaluate cerebral dysfunction.
The author mentioned the adequate time for the examination after the injury, practice of the recording and the standard for evaluation of EEG. The authors study revealed 18% continuous abnormality and 5% paroxysmal abnormality in the banal closed head injury group at chronic stage. And the author mentioned the necessity of prevention and treatment of cerebral dysfunction by the head injury, especial importance of anticonvulsant for the patient who showed paroxysmal abnormality on the EEG.
