期刊
EPILEPSY & BEHAVIOR
卷 8, 期 1, 页码 267-271出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.yebeh.2005.11.001
关键词
autism; autism spectrum disorders; epilepsy; electroencephalogram abnormalities; autistic regression; ambulatory electroencephalogram
Autism spectrum disorders (ASDs) affect 1 in 166 births. Although electroencephalogram (EEG) abnormalities and clinical seizures may play a role in ASDs, the exact frequency of EEG abnormalities in an ASD population that has not had clinical seizures or prior abnormal EEGs is unknown. There is no current consensus on whether treatment of EEG abnormalities may influence development. This retrospective review of 24-hour ambulatory digital EEG data collected from 889 ASD patients presenting between 1996 and 2005 (with no known genetic conditions, brain malformations, prior medications, or clinical seizures) shows that 540 of 889 (60.7%) subjects had abnormal EEG epileptiform activity in sleep with no difference based on clinical regression. The most frequent sites of epileptiform abnormalities were localized over the right temporal region. Of 176 patients treated with valproic acid, 80 normalized on EEG and 30 more showed EEG improvement compared with the first EEG (average of 10.1 months to repeat EEG). (c) 2005 Elsevier Inc. All rights reserved.
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