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Identifying seizure clusters in patients with epilepsy
S R Haut1, R B Lipton, A J LeValley
1Comprehensive Epilepsy Management Center, Montefiore Medical Center, The Albert Einstein College of Medicine, Bronx, NY, USA. haut@aecom.yu.edu
Neurology
|October 26, 2005
Summary
Seizure clustering is a real phenomenon in epilepsy. A daily diary study found that nearly half of patients experienced seizure clusters, and a clinical definition can identify them effectively.
Area of Science:
- Neurology
- Epilepsy Research
Background:
- Clinicians frequently observe potential seizure clustering in epilepsy patients.
- The reality and clinical identification of seizure clustering require further investigation.
Purpose of the Study:
- To investigate if seizure clustering is a genuine phenomenon in epilepsy.
- To determine if clinical definitions can accurately identify seizure clustering.
Main Methods:
- A daily diary study was conducted with epilepsy patients.
- Data collection focused on seizure frequency and timing over a 24-hour period.
Main Results:
- Nearly 50% of participants experienced at least one episode of three or more seizures within 24 hours.
- Approximately 20% of subjects met a statistical criterion for seizure clustering.
Conclusions:
- Seizure clustering appears to be a true phenomenon in epilepsy.
- The clinical definition of seizure clustering is effective in identifying affected patients.
- Diary data can help differentiate true seizure clusterers from false positives.