Neuroanesthesia & neurocritical care

Indications, results and consequences of electroencephalography in neurocritical care: A retrospective study

J Crit CarePublished Retrospective cohort study

Authors' conclusion

All EEGs were performed to investigate the presence of (NC)SE or seizures. A slowed, but continuous background pattern was found in nearly all patients and (NC)SE and seizures were rarely diagnosed. Adjustments in ASM were made in approximately half of the patients.

Study context

Population
Adult Intensive Care Unit (ICU) patients with severe acute brain injury who received a routine EEG (30–60 min)
Participants
109 patients
Outcome
Indications and results of routine EEG and corresponding changes in anti-seizure medication (ASM)
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

EEG indications, results and ASM changes
(Slowed) continuous background pattern
94%
Low voltage, burst-suppression and suppressed background patterns
6 patients (5.5%)
Seizures diagnosed
2 patients
(NC)SE diagnosed
5 patients (6.4%)
Anti-seizure medication (ASM) changed based on EEG
47 patients (43%)
ASM discontinued
27 patients (24.8%)
ASM initiated
20 patients (18.3%)

Observational data: associations, not effects.

Original publication

Indications, results and consequences of electroencephalography in neurocritical care: A retrospective study. J Crit Care. Published 16 July 2024. doi:10.1016/j.jcrc.2024.154861

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