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Interictal sharp EEG transients in neonatal seizures.

¹Division of Neurology, Children's Hospital of Philadelphia, PA 19104.

Journal of Child Neurology

|January 1, 1989

Summary

Quantifiable variables in sharp electroencephalogram transients (SETs) can differentiate neonates with seizures from healthy infants. Analyzing SET abundance, morphology, repetition, and distribution aids in diagnosis.

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Area of Science:

Neonatal neurology
Clinical electroencephalography (EEG)

Background:

Interictal sharp EEG transients (SETs) are EEG patterns observed between seizures.
Distinguishing SETs in neurologically ill neonates with seizures from those without seizures is clinically important.

Purpose of the Study:

To identify quantifiable EEG variables that differentiate SETs in neonates with electrographic seizures from those in neurologically well neonates.
To establish interpretive guidelines for SETs in neonatal populations.

Main Methods:

Comparison of quantifiable SET variables between two groups: neonates with proven electrographic seizures and neurologically well neonates.
Analysis of SET abundance (per ten minutes), waveform morphology, repetitive behavior, and spatial distribution.

Main Results:

Specific quantifiable variables of SETs were found to differ significantly between the two patient groups.
These variables provide a basis for distinguishing neonates with seizures from those without.

Conclusions:

The abundance, morphology, repetitive behavior, and spatial distribution of SETs are valuable for discriminating between neurologically ill neonates with seizures and healthy controls.
These findings can inform diagnostic and interpretive guidelines for neonatal EEG analysis.

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