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EEG findings in NMDA encephalitis - A systematic review
Lisa Gillinder1, Nicola Warren2, Gunter Hartel3
1Mater Advanced Epilepsy Unit, Mater Adults Hospital, Brisbane, Australia; University of Queensland, Brisbane, Australia; Neurology Department, Princess Alexandra Hospital, Brisbane, Australia.
Seizure
|January 1, 2019
Summary
Electroencephalography (EEG) is valuable for diagnosing NMDA receptor encephalitis and predicting patient outcomes. Specific EEG abnormalities, like extreme delta brush, correlate with intensive care unit (ICU) admission and recovery time.
Area of Science:
- Neurology
- Neurophysiology
Background:
- Anti-NMDA receptor encephalitis is a severe autoimmune neurological disorder.
- Electroencephalography (EEG) plays a role in identifying epileptiform activity and encephalopathy.
Purpose of the Study:
- To systematically review the frequency of EEG abnormalities in anti-NMDA receptor encephalitis.
- To determine the association between EEG findings and patient outcomes.
Main Methods:
- Systematic literature review of PubMed and Embase databases.
- Inclusion of all published cases of anti-NMDA receptor encephalitis with EEG results from inception to January 2018.
Main Results:
- 446 cases of anti-NMDA receptor encephalitis with EEG findings were identified.
- Abnormal EEGs correlated with ICU admission and prolonged recovery.
- Extreme delta brush patterns were associated with ICU admission and recovery time.
Conclusions:
- EEG is clinically useful for managing and prognosing anti-NMDA receptor encephalitis.
- Certain EEG findings predict ICU admission and poorer outcomes, aiding treatment decisions.
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