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Differential diagnosis in pseudoepileptic seizures
1Department of Neurology, School of Medicine, University of Virginia Health Sciences Center, Charlottesville 22908.
Epilepsia
|March 1, 1993
Summary
Pseudoepileptic seizures are increasingly diagnosed with video-EEG monitoring, but distinct types and underlying mechanisms remain unclear. Concurrence with epileptic seizures is common and often missed, leading to misdiagnosis.
Area of Science:
- Neurology
- Psychiatry
Background:
- Intensive video-electroencephalogram (EEG) monitoring is increasingly utilized.
- Publications on pseudoepileptic seizures (PES) have significantly increased.
Observation:
- There is a lack of clarity regarding differing psychopathologic mechanisms in PES.
- Different syndromic varieties of PES are not adequately distinguished.
- The frequent concurrence of pseudoepileptic and epileptic seizures is often insufficiently recognized.
Findings:
- Reliance on clinical experience alone can be misleading in diagnosing PES.
- Over-reliance on individual tests like EEG can also lead to misdiagnosis in cases with co-occurring seizures.
- Current diagnostic approaches may fail to differentiate PES from epileptic seizures effectively.
Implications:
- Further research is needed to clarify the distinct psychopathologic mechanisms underlying various types of PES.
- Improved diagnostic criteria are required to differentiate PES from epileptic seizures.
- Clinicians should be aware of the high rate of co-occurrence and avoid diagnostic pitfalls.