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Recurrence after a first unprovoked cryptogenic/idiopathic seizure in children: a prospective study from São Paulo,

Anna E Scotoni1, Maria L G Manreza, Marilisa M Guerreiro

  • 1Department of Neurology, University of Campinas, Campinas, Brazil.

Epilepsia
|January 24, 2004
PubMed

Insights

The recurrence risk for a first unprovoked seizure in children from a developing country is similar to developed nations. An abnormal electroencephalogram (EEG) is a key predictor of seizure recurrence in pediatric patients.

Area of Science:

  • Pediatric Neurology
  • Epileptology
  • Clinical Epidemiology

Background:

  • First unprovoked seizures in children require accurate recurrence risk assessment.
  • Understanding recurrence predictors is crucial for effective management and prognosis.
  • Data from developing countries are essential for global health insights.

Purpose of the Study:

  • To determine the recurrence risk following a first unprovoked seizure in pediatric populations in a developing country.
  • To identify predictors of seizure recurrence in children and adolescents.

Main Methods:

  • Prospective cohort study involving 213 children and adolescents with a first unprovoked seizure.
  • Electroencephalogram (EEG) and computed tomography (CT) were utilized for patient evaluation.
  • Cox proportional hazards and Kaplan-Meier survival analyses were employed to assess recurrence predictors.

Main Results:

  • A 34% recurrence rate was observed, with a mean time to recurrence of 12 months.
  • Abnormal EEG findings were significantly associated with increased seizure recurrence risk.
  • CT abnormalities, including calcifications, were infrequent and not predictive of recurrence.

Conclusions:

  • The recurrence risk of unprovoked seizures in children from developing countries mirrors that in developed countries.
  • Abnormal EEG is a significant risk factor for recurrence in cryptogenic/idiopathic seizures.
  • CT-detected calcifications do not appear to elevate the risk of seizure recurrence.
Abstract

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