Recurrence risk after a first remote symptomatic unprovoked seizure in childhood: a prospective study

J Ramos-Lizana1, J Aguirre-Rodríguez, P Aguilera-López

  • 1Paediatric Neurology Unit, Department of Paediatrics, Torrecárdenas Hospital, Almería, Spain. jramoslizana@telefonica.net

Insights

Recurrence risk after a first remote symptomatic unprovoked seizure in childhood is significantly higher than previously thought. Todd

Area of Science:

  • Pediatric Neurology
  • Epileptology
  • Clinical Neuroscience

Background:

  • First unprovoked seizures in children are a common neurological presentation.
  • Understanding recurrence risk is crucial for prognosis and management.
  • Previous studies may have underestimated recurrence rates in specific pediatric populations.

Purpose of the Study:

  • To determine the recurrence risk following a first remote symptomatic unprovoked seizure in children under 14 years.
  • To identify factors associated with seizure recurrence in this cohort.

Main Methods:

  • Prospective follow-up of 63 children (under 14 years) with a first remote symptomatic unprovoked seizure.
  • Kaplan-Meier survival analysis to estimate recurrence risk at 6, 12, 18, and 24 months.
  • Cox proportional hazards models (univariable and multivariable) to assess associated risk factors.

Main Results:

  • High recurrence rates observed: 59% at 6 months, 76% at 12 months, and 87% at 24 months.
  • Children with static encephalopathy showed similar high recurrence risks (79% at 12 months, 89% at 24 months).
  • Todd's paresis was significantly associated with increased recurrence risk in multivariable analysis.

Conclusions:

  • Recurrence risk after a first remote symptomatic unprovoked seizure in childhood is substantially higher than previously reported.
  • The presence of Todd's paresis is a significant predictor of seizure recurrence.
  • These findings highlight the need for careful monitoring and potentially tailored management strategies for affected children.

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