Refractory epilepsy in preschool children with tuberous sclerosis complex: Early surgical treatment and outcome

Martine Fohlen1, Delphine Taussig1, Sarah Ferrand-Sorbets1

  • 1Pediatric Neurosurgery Unit, Rothschild Foundation Hospital, Paris, France.

Seizure
|June 22, 2018
PubMed

Insights

Early epilepsy surgery for tuberous sclerosis complex (TSC) significantly improves seizure control and development. Prompt surgical intervention, particularly before 20 months, offers the best outcomes for children with catastrophic epilepsy.

Area of Science:

  • Pediatric Neurology
  • Neurosurgery
  • Epileptology

Background:

  • Tuberous sclerosis complex (TSC) frequently causes focal epilepsy.
  • Epilepsy surgery is a recognized treatment for drug-resistant epilepsy in TSC.
  • Early intervention may impact neurodevelopmental outcomes.

Purpose of the Study:

  • To evaluate the efficacy of early epilepsy surgery in TSC.
  • To assess the impact of surgical timing on seizure frequency.
  • To analyze developmental outcomes following early surgical management.

Main Methods:

  • Retrospective study of 15 pediatric patients (<6 years) undergoing resective epilepsy surgery for TSC.
  • Invasive monitoring (EEG) used in 14 patients; corticography in one.
  • Analysis of seizure outcomes (Engel classification) and neurodevelopmental status.

Main Results:

  • All patients had epilepsy onset before 5 months.
  • 86% achieved significant seizure reduction (Engel I-II), with 60% seizure-free (Engel IA).
  • In patients operated on before 20 months with catastrophic epilepsy, 77% were Engel IA, 23% Engel II; none developed autism, and 44% achieved normal development.

Conclusions:

  • Early epilepsy surgery is highly effective for TSC-associated epilepsy.
  • Timely surgical intervention correlates with better seizure control and developmental progress.
  • Invasive monitoring aids successful surgical outcomes; multicenter studies are needed.
Abstract

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