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Risk factors for secondary epilepsy in children with complex febrile seizures and their effect on growth and

Meihua Duan1, Yaoqi Liao1, Huifang Guo1

  • 1Department of Pediatric Neurology, Ganzhou Women and Children's Health Care Hospital, Ganzhou, China.

Translational Pediatrics
|June 12, 2023
PubMed

Insights

Complex febrile seizures can lead to secondary epilepsy in children. Risk factors include family history, seizure type, number, and duration. Early intervention may improve developmental outcomes.

Area of Science:

  • Pediatric Neurology
  • Epileptology
  • Developmental Pediatrics

Background:

  • Complex febrile seizures are prolonged seizures in children that can lead to neurological abnormalities, secondary epilepsy, and impaired growth and development.
  • The precise mechanisms underlying secondary epilepsy development following complex febrile seizures remain unclear.
  • This study investigates risk factors for secondary epilepsy in children with complex febrile seizures and its impact on their growth and development.

Purpose of the Study:

  • To identify independent risk factors for the development of secondary epilepsy in children experiencing complex febrile seizures.
  • To analyze the effects of secondary epilepsy on the physical growth and neurodevelopment of affected children.
  • To develop and validate a predictive model for identifying children at high risk of secondary epilepsy.

Main Methods:

  • Retrospective analysis of 168 children with complex febrile seizures, divided into secondary epilepsy (n=58) and control (n=110) groups.
  • Logistic regression analysis to determine independent risk factors for secondary epilepsy.
  • Development and validation of a nomogram prediction model using R statistical software.
  • Assessment of developmental outcomes using the Gesell Development Scale.

Main Results:

  • Independent risk factors for secondary epilepsy included a family history of epilepsy, generalized seizures, increased seizure frequency, and prolonged seizure duration (P<0.05).
  • The nomogram prediction model demonstrated good predictive accuracy, with areas under the ROC curve of 0.845 (training set) and 0.813 (validation set).
  • Children with secondary epilepsy showed significantly lower Gesell Development Scale scores compared to controls (77.84±8.86 vs. 85.64±8.65, P<0.001).

Conclusions:

  • A nomogram-based prediction model effectively identifies children with complex febrile seizures at high risk for developing secondary epilepsy.
  • Targeted interventions for high-risk children may mitigate the adverse effects of secondary epilepsy on growth and development.
  • Further research is warranted to elucidate the pathophysiology and optimize management strategies.
Abstract

Keywords:
Complex febrile seizureschildrenepilepsypredictive models

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