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Alpha-pattern coma in a 2-month-old child

R W Homan, M G Jones

    Annals of Neurology
    |June 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Alpha-pattern coma, characterized by specific brainwave activity, was observed in an unresponsive 2-month-old infant following hypoxia. This finding suggests abnormal brain activity in infants, as alpha-frequency is typically absent in this age group.

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    Area of Science:

    • * Neurophysiology
    • * Pediatric Neurology
    • * Clinical Electrophysiology

    Background:

    • * Alpha-frequency activity is a normal electroencephalographic (EEG) pattern typically observed in adults during relaxed wakefulness.
    • * The presence of alpha-frequency activity in infants, particularly in comatose states, is unusual and warrants further investigation.

    Observation:

    • * A case study of a 2-month-old infant presenting with unresponsiveness after a hypoxic event is detailed.
    • * Electroencephalography (EEG) revealed alpha-frequency activity coinciding with the infant's clinical unresponsiveness.
    • * The observed EEG pattern was clinically similar to alpha-pattern coma documented in adult patients.

    Findings:

    • * The occurrence of alpha-frequency activity in a comatose 2-month-old infant is a significant electroencephalographic finding.

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  • * This suggests that the generation of alpha-frequency activity in this context is abnormal for the infant's age.
  • * The study highlights a potential indicator of severe brain dysfunction in neonates and infants.

    • Implications:

    • * The findings suggest that alpha-pattern coma may be a recognizable, albeit rare, clinical-neurological entity in infants.
    • * This case broadens the understanding of EEG abnormalities in pediatric hypoxic-ischemic encephalopathy.
    • * Further research is needed to elucidate the mechanisms and prognostic significance of alpha-frequency activity in comatose infants.