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Serum neuron-specific enolase in human status epilepticus
C M DeGiorgio1, J D Correale, P S Gott
1Department of Neurology, University of Southern California School of Medicine, Los Angeles 90033, USA.
Neurology
|June 1, 1995
Summary
Serum neuron-specific enolase (s-NSE) levels significantly increase after status epilepticus, indicating brain injury. Elevated s-NSE correlates with patient outcomes, suggesting its potential as a biomarker.
Area of Science:
- Neurology
- Biochemistry
- Clinical Diagnostics
Background:
- Neuron-specific enolase (NSE) is recognized as a sensitive indicator of brain damage.
- Previous studies have linked NSE to conditions such as stroke, global ischemia, and coma.
Purpose of the Study:
- To investigate changes in serum NSE (s-NSE) levels in patients experiencing status epilepticus.
- To evaluate the potential of s-NSE as a biomarker for brain injury in this patient group.
Main Methods:
- Serum samples were collected from 19 patients with status epilepticus.
- s-NSE levels were measured and compared to those of normal and epileptic control groups.
- Correlation analysis was performed between s-NSE levels, patient outcomes, and seizure duration.
Main Results:
- s-NSE levels peaked within 24 to 48 hours post-status epilepticus.
- Mean peak s-NSE levels in patients were significantly higher than in both normal and epileptic controls (p = 0.0001).
- Elevated s-NSE levels were observed even in patients without acute neurological insults.
- s-NSE levels showed a significant correlation with patient outcome and seizure duration.
Conclusions:
- Serum neuron-specific enolase (s-NSE) is a promising in vivo biomarker for assessing brain injury during status epilepticus.
- Further research with larger patient cohorts is warranted to validate these findings.