Continuous long-term electroencephalography: the gold standard for neonatal seizure diagnosis

Renée A Shellhaas1

  • 1Department, Division of Pediatric Neurology, C.S. Mott Children's Hospital, University of Michigan Health System, Ann Arbor, MI, USA.

Insights

Electroencephalography (EEG) monitoring is crucial for diagnosing seizures in newborns with brain dysfunction. This method accurately identifies seizures, guiding appropriate treatment and preventing unnecessary medication side effects.

Area of Science:

  • Neonatal neurology
  • Clinical neurophysiology

Background:

  • Newborn infants with cerebral dysfunction, including acute brain injury or developmental disorders, frequently experience encephalopathy and seizures.
  • Neonatal seizures are often subclinical, and abnormal movements do not always indicate seizures.

Purpose of the Study:

  • To highlight the importance of conventional electroencephalography (EEG) monitoring in the care of at-risk newborns.
  • To emphasize the role of EEG in identifying prognostically significant patterns and accurately diagnosing seizures and non-seizure events.

Main Methods:

  • Utilizing conventional electroencephalography (EEG) monitoring for continuous assessment of brain activity in at-risk neonates.
  • Analyzing EEG background patterns and paroxysmal events for diagnostic and prognostic information.

Main Results:

  • Conventional EEG monitoring accurately identifies prognostically significant EEG background patterns.
  • EEG enables precise diagnosis of neonatal seizures, distinguishing them from non-seizure events.
  • EEG monitoring quantifies seizure burden and guides therapeutic interventions.

Conclusions:

  • Judicious use of conventional EEG monitoring is essential for optimizing the care of newborns with or at risk for cerebral dysfunction.
  • EEG-guided treatment ensures that neonates with confirmed seizures receive appropriate medication, while those without seizures are protected from potentially harmful, unnecessary treatments.