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Author Spotlight: Studying Clinical Characters and Epilepsy Outcomes After Frontal Disconnection in Patients with MOGHE
Published on: August 16, 2024
From Resection to Disconnection for Seizure Control in Pediatric Epilepsy Children
Jun Kyu Hwang1, Dong-Seok Kim1
1Department of Pediatric Neurosurgery, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, Korea.
Insights
Disconnection surgery, like functional hemispherotomy, offers improved seizure control for pediatric epilepsy. This approach isolates affected brain areas, minimizing complications associated with resective surgery.
Area of Science:
- Neurosurgery
- Pediatric Neurology
- Epileptology
Background:
- Epilepsy surgery significantly improves outcomes in drug-resistant epilepsy compared to medical management.
- Pediatric epilepsy often involves multiple foci, necessitating multilobar resections with associated risks like hydrocephalus.
- Disconnection surgery, an alternative to resective surgery, aims to control seizures by isolating affected brain regions.
Purpose of the Study:
- To review recent advancements in disconnection surgeries for refractory pediatric epilepsy.
- To discuss indications, surgical techniques, seizure outcomes, and complications of these procedures.
- To highlight the efficacy of functional hemispherotomy and similar isolation methods.
Main Methods:
- Review of current literature on disconnection surgeries for pediatric epilepsy.
- Analysis of surgical techniques, including functional hemispherotomy.
- Evaluation of seizure outcomes and complication rates.
Main Results:
- Disconnection surgeries, particularly functional hemispherotomy, demonstrate excellent seizure control in pediatric epilepsy.
- These methods allow for functional isolation of affected hemispheres or lobes, preserving healthy brain tissue.
- Refined techniques are continually improving the safety and efficacy of these procedures.
Conclusions:
- Disconnection surgery is a valuable alternative to multilobar resection for pediatric epilepsy.
- Functional hemispherotomy and related techniques offer significant seizure reduction with manageable complications.
- Continued refinement of disconnection strategies holds promise for managing refractory pediatric epilepsy.
Abstract:
Epilepsy surgery revealed dramatically improved seizure outcomes over medical therapy in drug-resistant epilepsy patients. Children with epilepsy, however, have multiple epileptic focuses which require multilobar resection for better seizure outcome. Multilobar resection has not only the several severe surgical complications, such as hydrocephalus and shunt-related craniosynostosis, due to intracranial volume reduction. Isolation method (disconnection surgery) was progressively studied over epileptic focus removal (resective surgery) for seizure control. This concept was first introduced for functional hemispherotomy, and its primary principle is to preserve the vital vascularized brain that is functionally disconnected from the contralateral healthy brain. Currently in most epilepsy centers, the predominant disconnection surgical methods, including functional hemispherotomy, are continually being refined and are showing excellent results. They allow the functional isolation of the hemisphere or multi-lobe, affected by severe epilepsy. This review describes recent findings concerning the indication, surgical technique, seizure outcome and complications in several disconnection surgeries including the functional hemispherotomy for refractory pediatric epilepsy.
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