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Pediatric hemispherectomy outcome: Adaptive functioning, intelligence, and memory.

Hillary A Shurtleff1, Emma A Roberts2, Christopher C Young3

  • 1Neurosciences, Seattle Children's Hospital, United States; Center for Integrated Brain Research, Seattle Children's Hospital, United States.

Epilepsy & Behavior : E&B
|September 19, 2021
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Summary
This summary is machine-generated.

Functional hemispherectomy in pediatric patients achieved excellent seizure control in 91% of cases. Neuropsychological evaluations showed that 85% of patients maintained or improved their intelligence and adaptive functioning, with stable memory overall.

Keywords:
HemispherectomyNeuropsychologyOutcomesPediatric

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Area of Science:

  • Pediatric Neurology
  • Neurosurgery
  • Neuropsychology

Background:

  • Functional hemispherectomy is a surgical option for intractable pediatric epilepsy.
  • Characterizing long-term neuropsychological outcomes is crucial for understanding the procedure's impact.

Purpose of the Study:

  • To evaluate seizure control and neuropsychological outcomes in a large cohort of pediatric patients following functional hemispherectomy.
  • To identify factors influencing these outcomes.

Main Methods:

  • Retrospective analysis of 71 pediatric patients undergoing functional hemispherectomy (1996-2020).
  • Assessment of seizure outcomes using Engel classification.
  • Neuropsychological testing included adaptive functioning, intelligence, and memory measures (preoperative and postoperative).

Main Results:

  • Excellent seizure outcomes (Engel Class I-II) were achieved in 91% of patients.
  • 85% of patients demonstrated stable or improved intelligence and adaptive functioning post-surgery.
  • Memory scores remained stable overall, with improvements noted in verbal memory; verbal abilities showed a preference over visual-spatial skills regardless of hemispherectomy side.

Conclusions:

  • Functional hemispherectomy offers excellent seizure control in pediatric epilepsy.
  • The procedure is associated with stable or improved cognitive functioning, particularly in verbal domains.
  • While medical variables did not predict outcomes, the findings highlight the procedure's efficacy in preserving and potentially enhancing cognitive function.