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[Emergency EEG: actual indications and results]
J Praline1, B de Toffol, K Mondon
1Service de neurologie et de neurophysiologie clinique, hôpital Bretonneau, CHU, 2, boulevard Tonnelé, 37044 Tours cedex, France. julien.praline@wanadoo.fr <julien.praline@wanadoo.fr>
Neurophysiologie Clinique = Clinical Neurophysiology
|October 27, 2004
Summary
Emergency electroencephalogram (EEG) use often deviates from consensus guidelines. Adhering to criteria improves EEG utility, particularly for status epilepticus, but not for altered consciousness or focal deficits.
Area of Science:
- Neurology
- Clinical Neurophysiology
Context:
- Established French consensus guidelines in 1996 for emergency electroencephalogram (eEEG) indications.
- University hospital setting for retrospective analysis of eEEG requests.
Purpose:
- To evaluate adherence to 1996 French consensus guidelines for eEEG indications.
- To assess the clinical contribution of eEEG in common emergency scenarios.
Summary:
- Retrospective analysis of 329 eEEGs over 6 months.
- Frequent indications included presumed brain death (13%), post-treatment convulsive status epilepticus (12.1%), and suspected nonconvulsive status epilepticus (10.6%).
- 38.6% of requests did not align with consensus recommendations.
Impact:
- EEG utility is significantly enhanced by applying consensus criteria.
- EEG remains crucial for managing post-treatment convulsive status epilepticus and identifying subtle or nonconvulsive status epilepticus.
- eEEG showed limited utility for transient loss of consciousness or focal neurological deficits.