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A Case of Complex Partial Status Epilepticus

An eight-year-old boy was well until the age of six when he had his first epileptic seizure. He has no epileptic heredofamiliality. There were no abnormal findings during pregnancy and delivery, but his mental development has retarded slightly. During clinical seizures, the patient stopped all movements suddenly, dropped his head and salivated. He mumbled and moved his upper extremities in a strange manner, showing no response to call. At the beginning, the frequency of seizure was several times weekly. He had repetitive seizures lasting for 30 to 90 minutes in addition to common seizures with oral automatism of a oneto two-minute duration. So, he was admitted to our clinic for the purpose of complete examinations. Physical, neurological and laboratory examinations revealed nothing remarkable. In the intermittent EEG, the background rhythm consisted of 8-9 Hz alpha waves appearing mainly in the occipital region, mixed with a slightly large amount of slow waves. The seizures grasped by VTR-EEG recording occurred on the eighth hospital day. The entire course was as long as 30 minutes. The clinical symptoms during this period were characterized by the repeated occurrence of the following two phases, that is, 1 ) psychomotor arrest phase, and 2) automatic phase. Fig. 1 shows EEG of this period. The following two phases appeared repeatedly. 1 ) Time phase when moderate amplitude 7 to 8 Hz theta or slow alpha waves predominated, and 2 ) Time phase when high amplitude 4 to 6 Hz theta waves predominated. After the start of CBZ therapy, the frequency of seizures has gradually decreased. After the dosage was increased to 300 mg/day, the seizures have also been