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Related Experiment Videos

Stereo-EEG in children.

M Cossu1, F Cardinale, L Castana

  • 1Centro Claudio Munari per la Chirurgia dell'Epilessia e del Parkinson, Ospedale Niguarda, Piazza Ospedale Maggiore 3, 20162, Milan, Italy. massimo.cossu@ospedaleniguarda.it

Child'S Nervous System : Chns : Official Journal of the International Society for Pediatric Neurosurgery
|June 21, 2006
PubMed
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Stereoelectroencephalography (SEEG) is a crucial presurgical evaluation for drug-resistant focal epilepsy when noninvasive tests fail. SEEG-guided surgery in children offers excellent seizure control, with 60% achieving Class I outcomes.

Area of Science:

  • Neurosurgery
  • Epileptology
  • Medical Imaging

Background:

  • Stereoelectroencephalography (SEEG) has been used for 50 years for presurgical evaluation of drug-resistant focal epilepsy.
  • SEEG is indicated when noninvasive methods fail to localize the epileptogenic zone (EZ).

Purpose of the Study:

  • To evaluate the role and outcomes of SEEG in pediatric epilepsy surgery.
  • To assess the safety and efficacy of SEEG-guided resective surgery in children.

Main Methods:

  • Individualized electrode placement based on pre-SEEG findings.
  • Utilizing stereotactic imaging (3-D MRI, teleangiograms) for trajectory planning.
  • Intracerebral electrical stimulations for EZ definition and functional mapping.

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Main Results:

  • SEEG is performed in approximately 35% of pediatric epilepsy surgeries.
  • Surgical morbidity associated with SEEG is low in children.
  • SEEG guides extratemporal or multilobar resections in 90% of cases.
  • 60% of patients achieve excellent seizure control (Engel's Class I) after SEEG-guided surgery.

Conclusions:

  • SEEG is a safe and effective tool for localizing the epileptogenic zone in pediatric epilepsy.
  • SEEG-guided resective surgery leads to significant seizure reduction in a majority of children.