Epilepsia · 2001
The absence of interictal spikes with documented seizures suggests extratemporal epilepsy.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Stüve O, Dodrill C B, Holmes M D, Miller J W
Аннотация
PURPOSE: To determine the demographic and clinical characteristics of patients who have documented epileptic seizures on long-term video-EEG monitoring who do not have interictal spikes.
METHODS: The records of 1,223 monitoring studies from 919 patients who underwent noninvasive long-term video-EEG monitoring were reviewed. In 28 patients (3.0% of monitored patients, 4.4% of patients with electrographic evidence of epilepsy), no interictal spikes were found despite the occurrence of at least one recorded electrographic seizure. The demographic, medical, neuropsychological, and EEG data of these patients were compared with those of 28 matched control patients with documented interictal spikes.
RESULTS: Extratemporal seizures were significantly more frequent in the patients with at least one recorded epileptic seizure but without interictal spikes compared with patients with epileptic seizures and interictal spikes (p = 0.031). The only other significant difference between the groups (p = 0.016) was a later age at seizure onset (18.3 vs. 10.7 years) for the patients without interictal spikes. Age at evaluation, gender, handedness, clinical seizure type, family history of epilepsy, history of febrile seizures, neuropsychological testing, and neurologic and psychiatric history did not differ between the two groups.
CONCLUSIONS: In patients with documented epilepsy without interictal spikes on EEG monitoring, the possibility of an extratemporal focus should be considered.
METHODS: The records of 1,223 monitoring studies from 919 patients who underwent noninvasive long-term video-EEG monitoring were reviewed. In 28 patients (3.0% of monitored patients, 4.4% of patients with electrographic evidence of epilepsy), no interictal spikes were found despite the occurrence of at least one recorded electrographic seizure. The demographic, medical, neuropsychological, and EEG data of these patients were compared with those of 28 matched control patients with documented interictal spikes.
RESULTS: Extratemporal seizures were significantly more frequent in the patients with at least one recorded epileptic seizure but without interictal spikes compared with patients with epileptic seizures and interictal spikes (p = 0.031). The only other significant difference between the groups (p = 0.016) was a later age at seizure onset (18.3 vs. 10.7 years) for the patients without interictal spikes. Age at evaluation, gender, handedness, clinical seizure type, family history of epilepsy, history of febrile seizures, neuropsychological testing, and neurologic and psychiatric history did not differ between the two groups.
CONCLUSIONS: In patients with documented epilepsy without interictal spikes on EEG monitoring, the possibility of an extratemporal focus should be considered.