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Nonconvulsive generalised status epilepticus following electroconvulsive therapy.
1Auckland Regional Psychiatric Registrar Training Centre, Westmere, New Zealand. kasrzich@ihug.co.nz
Summary
Nonconvulsive generalised status epilepticus (NGS) is a rare complication of electroconvulsive therapy (ECT). Prompt treatment with anticonvulsants can effectively resolve this neurological condition and improve patient outcomes.
Area of Science:
- Neurology
- Psychiatry
Background:
- Electroconvulsive therapy (ECT) is a vital treatment for severe depression.
- Anticonvulsant medications are often used adjunctively during ECT.
Observation:
- A 40-year-old woman developed acute confusion after her fifth ECT session for a major depressive episode.
- Electroencephalogram (EEG) confirmed nonconvulsive generalised status epilepticus (NGS).
Findings:
- Intravenous diazepam and phenytoin administration led to significant improvement in the patient's mental state and EEG.
- Continuation of oral anticonvulsants maintained recovery.
Implications:
- NGS is a rare but treatable cause of post-ECT confusion.
- Consider NGS in the differential diagnosis of altered mental status after ECT.
- Early recognition and treatment of NGS are crucial for favorable outcomes.