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Status epilepticus in children with newly diagnosed epilepsy
A T Berg1, S Shinnar, S R Levy
1Department of Biological Sciences, Northern Illinois University, DeKalb 60115, USA.
Insights
Status epilepticus (SE), a neurological emergency, occurred in 9.1% of newly diagnosed childhood epilepsy cases. Factors like seizure type and prior surgery influenced SE occurrence, highlighting its prognostic significance.
Area of Science:
- Pediatric Neurology
- Epileptology
Background:
- Status epilepticus (SE) is a critical neurological emergency with prognostic implications in epilepsy.
- Understanding prognostic factors associated with SE in children is crucial for early intervention.
Purpose of the Study:
- To investigate the clinical characteristics associated with the occurrence of SE at the time of epilepsy diagnosis in children.
- To identify predictors of SE in pediatric epilepsy, differentiating between provoked and unprovoked seizures.
Main Methods:
- Prospective cohort study of 613 children with newly diagnosed epilepsy.
- Data collection through parental interviews and medical record review.
- Analysis of SE occurrence, including any SE, unprovoked SE, and previously provoked SE.
Main Results:
- 9.1% of children experienced SE at epilepsy diagnosis.
- Unprovoked SE correlated with partial seizures and prior craniotomy.
- Provoked SE correlated with young age at onset and nonidiopathic epilepsy syndromes.
- Subsequent SE occurred in 19.6% of children with SE at diagnosis versus 4.3% without.
Conclusions:
- A significant minority of children with newly diagnosed epilepsy have experienced SE.
- Specific clinical factors predict SE occurrence, varying by seizure provocation status.
- SE at diagnosis is a strong predictor of recurrent SE, emphasizing its prognostic value.
Abstract:
Status epilepticus (SE) constitutes a neurological emergency and may be of prognostic value in individuals with epilepsy. Little is known about the associations between other prognostic factors in epilepsy and the occurrence of SE. The following study examines associations between clinical characteristics of children with newly diagnosed epilepsy and the occurrence of SE when epilepsy is first diagnosed. Children were recruited prospectively from the practices of physicians throughout Connecticut. Information was collected via standardized interviews with parents and review of pertinent records. Analyses were performed for any SE, unprovoked SE only, and previous provoked SE. Of 613 children, 56 (9.1%) had one or more episodes of SE by the time the diagnosis of epilepsy was established. Factors correlated with SE during an unprovoked seizure were partial seizures and previous craniotomy. For SE during a provoked seizure, correlates were primarily young age at onset of epilepsy and nonidiopathic epilepsy syndrome. To date, subsequent SE has occurred in 4.3% of children without and in 19.6% of those with SE at diagnosis. By the time epilepsy is first diagnosed in children, SE has already occurred in a substantial minority. It is correlated with specific clinical characteristics in the children, which differ depending on whether the SE was provoked or unprovoked. SE has a high risk of recurring.