Predictors of Seizure Outcome After Epilepsy Surgery in Pediatric Patients With Low-Grade Developmental and Epilepsy-Associated Brain Tumors

Strategic Insights -

A recent study published in Pediatric Neurology has shed light on the predictors of seizure outcome after epilepsy surgery in pediatric patients with low-grade developmental and epilepsy-associated brain tumors (LEATs). The research, conducted at the Medical University of Vienna, analyzed a cohort of 82 pediatric patients who underwent preoperative evaluation and epilepsy surgery at the university's pediatric epilepsy center from 1993 through 2023. The study found that 74.4% of patients became seizure-free after surgery, with 80% of patients able to discontinue antiseizure medication.

Key Takeaways:

  • The study identified incomplete resections as the strongest predictor of unfavorable outcomes at final follow-up, with an odds ratio of 53.5 (95% confidence interval = 8.5-337.1; p < 0.001).
  • The median age at surgery was 10.2 years (interquartile range [IQR], 5.3-14.0), and the median follow-up was 60 months (IQR, 36-120).
  • The study highlights the importance of early preoperative evaluation, as patients who underwent early evaluation were more likely to become seizure-free.
  • The research suggests that epilepsy surgery can be an effective treatment for pediatric patients with LEATs, with 80% of patients able to discontinue antiseizure medication.
  • The study's findings underscore the need for further research into the predictors of seizure outcome after epilepsy surgery in pediatric patients with LEATs.

Statistics:

  • 74.4% of patients became seizure-free after surgery.
  • 80% of patients were able to discontinue antiseizure medication.
  • 82 patients were included in the study.
  • The median age at surgery was 10.2 years (IQR, 5.3-14.0).
  • The median follow-up was 60 months (IQR, 36-120).

Sources:

  • Predictors of Seizure Outcome After Epilepsy Surgery in Pediatric Patients With Low-Grade Developmental and Epilepsy-Associated Brain Tumors. Pediatric Neurology, 2025;170:120-127.
  • Medical University of Vienna Reports Findings in Brain Cancer (Predictors of Seizure Outcome After Epilepsy Surgery in Pediatric Patients With Low-Grade Developmental and Epilepsy-Associated Brain Tumors). Pediatrics Week. August 9, 2025; p 367.