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Long-term seizure outcome following corpus callosotomy in children
J McInerney1, A M Siegel, R E Nordgren
1Sections of Neurosurgery and Neurology, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756, USA.
Insights
Corpus callosotomy (CC) effectively palliates medically intractable seizures in over half of pediatric patients. Good seizure control outcomes were achieved and largely maintained long-term in the majority of cases.
Area of Science:
- Neurosurgery
- Pediatric Neurology
- Epilepsy Surgery
Background:
- Corpus callosotomy (CC) is a surgical procedure used for palliative control of medically intractable seizures in pediatric patients.
- Evaluating the long-term efficacy and stability of outcomes following CC is crucial for treatment planning.
Purpose of the Study:
- To present the long-term outcomes of pediatric patients who underwent corpus callosotomy for seizure palliation.
- To assess seizure reduction and the stability of outcomes after corpus callosotomy.
Main Methods:
- A retrospective review of 43 pediatric patients (≤20 years) who underwent CC for seizure palliation over a 27-year period.
- Minimum follow-up of 1 year was required.
- Analysis focused on seizure reduction, stability of outcomes for individual seizure types, and the most disabling seizure type.
Main Results:
- Overall, 63% of documented seizures showed a good response to corpus callosotomy.
- For the most disabling seizure type, 56% of patients experienced good outcomes.
- Outcome status changes were observed within the first 6 months post-surgery and were generally maintained thereafter.
Conclusions:
- Corpus callosotomy successfully achieves seizure palliation in over half of pediatric patients with medically intractable epilepsy.
- The majority of patients who experience good outcomes after CC maintain these results long-term.
Introduction:
The long-term outcome of pediatric patients undergoing corpus callosotomy (CC) for palliative control of medically intractable seizures is presented.
Methods:
During a 27-year period, 43 patients, 20 years of age or younger, underwent CC for seizure palliation and had a minimum of 1 year follow-up. Seizure reduction and stability of that outcome for individual seizure types and for most disabling seizure were reviewed.
Results:
Overall, 63% of the seizures documented showed a good response. For the most disabling seizure, 56% of the patients had good outcomes. Changes in outcome status occurred within the first 6 months, and outcome was largely maintained after that point.
Conclusion:
Callosotomy achieves the goal of seizure palliation in more than half of the patients, with stable, good outcomes being maintained in the majority of patients.
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