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Rhythmic coma in children.

E J Horton1, W D Goldie, T Z Baram

  • 1Division of Neurology, Children's Hospital of Los Angeles, CA 90027.

Journal of Child Neurology
|July 1, 1990
PubMed
Summary
This summary is machine-generated.

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Rhythmic coma, characterized by specific brainwave patterns in children, is a distinct syndrome. The underlying cause, not the brainwave frequency, determines the outcome, with a better prognosis in children than adults.

Area of Science:

  • Pediatric Neurology
  • Clinical Neurophysiology

Background:

  • Rhythmic coma is a rare condition observed in comatose children.
  • It is characterized by invariant, nonreactive, diffuse cortical activity at specific frequencies (alpha, beta, spindle, theta).

Purpose of the Study:

  • To describe the syndrome of rhythmic coma in children.
  • To analyze the relationship between electroencephalographic patterns and clinical outcomes.
  • To propose a unified concept for this condition in pediatric patients.

Main Methods:

  • Case series analysis of 11 children diagnosed with rhythmic coma.
  • Electroencephalographic (EEG) monitoring to identify specific rhythmic patterns.
  • Correlation of EEG findings with underlying diagnoses and clinical outcomes.

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Main Results:

  • The study identified 11 pediatric cases with rhythmic coma due to various acute illnesses.
  • The specific EEG frequency (alpha, beta, spindle, or theta) did not impact patient outcomes.
  • Clinical outcomes were primarily dependent on the primary disease process.

Conclusions:

  • Rhythmic coma is a unified concept for specific EEG patterns in comatose children.
  • Prognosis in children with rhythmic coma is generally better than in adults.
  • The developing brain may exhibit varied expressions of deafferentation leading to rhythmic coma.