Risk of seizure recurrence after a first unprovoked seizure: a prospective study among Jordanian children
A S Daoud1, S Ajloni, K El-Salem
1Department of Neuroscience, College of Medicine, Jordan University of Science and Technology, Irbid, Jordan. daoud@just.edu.jo
Insights
Recurrence of seizures after a first unprovoked seizure in children is common, with 37% experiencing a second attack. Partial seizures and a family history of epilepsy significantly increase the risk of seizure recurrence in pediatric patients.
Area of Science:
- Pediatric Neurology
- Epilepsy Research
- Clinical Epidemiology
Background:
- Recurrence rates after a first unprovoked seizure in children vary widely.
- Understanding risk factors for seizure recurrence is crucial for effective management.
Purpose of the Study:
- To investigate the seizure recurrence rate after a first unprovoked seizure in Jordanian children.
- To identify risk factors associated with an increased risk of recurrence.
Main Methods:
- A prospective study followed 265 children (3 months-14 years) for 3 years after their first unprovoked seizure.
- Data collected included seizure type, family history of epilepsy, and parental consanguinity.
- Statistical analysis identified predictors of seizure recurrence.
Main Results:
- 37% of children experienced seizure recurrence within 3 years.
- Partial seizures (55% recurrence) and positive family history of epilepsy (59% recurrence) were significant predictors.
- Seizure duration, sex, age at first seizure, and consanguinity did not significantly increase recurrence risk.
Conclusions:
- The 3-year recurrence rate for first unprovoked seizures in children is 37%.
- Partial seizures and a family history of epilepsy are key risk factors for pediatric seizure recurrence.
- These findings aid in risk stratification and management of childhood epilepsy.
Purpose:
There is wide variation in the reported recurrence rate after a first unprovoked seizure in children. We investigated the risk of recurrence after a first unprovoked seizure in Jordanian children and the risk factors associated with increased recurrence rate.
Methods:
All consecutive patients aged 3 months-14 years who presented with their first unprovoked seizures between January 1997 and 2000, were included in a prospective study and followed up for 3 years for possible recurrence. Of the patients studied, there was slight male predominance (56.6%) and 55% of them were 2-9 years of age. Generalised seizures were reported in 75% and the remaining 25% had partial seizures. The duration of seizure was 1-4 minutes in 59%. Family history of epilepsy was positive in 31% and parental consanguinity in 32%. The role of these factors in increasing the risk of recurrence was also investigated.
Results:
Two hundred sixty-five patients were included in the study and continued follow up for 3 years. Ninety-eight (37%) of them experienced seizure recurrence. Among the predictor factors for recurrence, partial seizure (P = 0.003) and positive family history (P = 0.000) were associated with a statistically significant increased risk. Sex, age, duration of seizure and consanguinity were not associated with increased risk of recurrence.
Conclusion:
Thirty-seven percent of the children studied experienced a second attack after a first unprovoked seizure over the 3 years follows up period. The risk of recurrence was significantly higher in children with a partial seizure (55%) and among those with a positive family history of epilepsy (59%). Age at first seizure, sex, duration of seizure and consanguinity were not significantly related to the risk of recurrence.
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