Long-term electroencephalographic (EEG) monitoring, initially popular in the form of 24-hour video-EEG telemetries developed for the evaluation of patients who were candidates for epilepsy surgery, is now possible in diverse configurations. Studies can be designed to evaluate a variety of diagnostic problems and can be individualized to address specific clinical questions for each patient. A great variety of severe epilepsies present in infancy and childhood with daily seizures, often presenting difficult diagnostic problems. Extending the benefits of long-term EEG monitoring to these patients early in the course of the epileptic process can be expected to result in more accurate diagnoses, more effective treatment, and improved prognoses. Long-term EEG monitoring is needed to improve our understanding of the nosology of infant epilepsy, which is incomplete. ( J Child Neurol 1994;9(Suppl):S57-S63).
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