Amplitude-integrated electroencephalography: A tool for monitoring silent seizures in neonates

Eilon Shany, Sonia Khvatskin, Agneta Golan, Michael Karplus

    Research output: Contribution to journalArticlepeer-review

    25 Scopus citations

    Abstract

    The clinical use of amplitude-integrated electroencephalography in the diagnosis of seizures in high-risk newborn infants with suspected central nervous system insult is evaluated with emphasis on silent seizures. Recordings from 93 infants with suspected central nervous system insults over a period of 7 years were retrospectively analyzed for the presence of electrical seizures and for their correlation with clinical events. Thirty infants (32%) had overt clinical seizures; 29 (97%) of these manifested clear seizure patterns in their tracings, and the remaining one infant had a suspected tracing. Eleven infants (12%) had subtle clinical seizures; of these 7 (59%) had clear electrical seizures, 3 (31%) had suspected tracing, and one had a normal tracing. Fifty-two infants (56%) had no clinical events indicative of seizures; of these 8 (15%) had clear electrical seizures, 17 (33%) had suspected tracings, and 27 (52%) had normal tracings. Electroencephalographic seizures are common in sick newborn infants. Amplitude-integrated electroencephalography can provide important information concerning their neurologic status and help to confirm or refute the presence of seizures in clinically suspected cases and detect infants with silent seizures.

    Original languageEnglish
    Pages (from-to)194-199
    Number of pages6
    JournalPediatric Neurology
    Volume34
    Issue number3
    DOIs
    StatePublished - 1 Mar 2006

    ASJC Scopus subject areas

    • Pediatrics, Perinatology, and Child Health
    • Neurology
    • Developmental Neuroscience
    • Clinical Neurology

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