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Insular epilepsy surgery under neuronavigation guidance using depth electrode

Authors
 Young Seok Park  ;  Yun Ho Lee  ;  Kyu Won Shim  ;  Yoon Jin Lee  ;  Heung Dong Kim  ;  Joon-Soo Lee  ;  Dong-Seok Kim 
Citation
 Child's Nervous System, Vol.25(5) : 591-597, 2009 
Journal Title
 Child's Nervous System 
ISSN
 0256-7040 
Issue Date
2009
MeSH
Cerebral Cortex/physiopathology ; Cerebral Cortex/surgery* ; Child ; Child, Preschool ; Electrodes, Implanted* ; Electroencephalography ; Epilepsy/pathology ; Epilepsy/physiopathology ; Epilepsy/surgery* ; Female ; Humans ; Infant ; Male ; Monitoring, Intraoperative/methods* ; Neuronavigation/instrumentation ; Neuronavigation/methods* ; Neurosurgical Procedures/methods ; Retrospective Studies ; Treatment Outcome
Keywords
Depth electrode ; Epilepsy ; Insular ; Intractable epilepsy ; Surgery
Abstract
OBJECTIVES: The unfavorable surgical results that have been reported with insular epilepsy surgery may be related to inadequate monitoring. Insular epilepsy surgery requires the precise monitoring and tailored removal of the epileptic zone. The purposes of this study were to precisely monitor the hidden cortex and determine the effectiveness of using different monitoring methods, including subpial depth electrodes. MATERIALS AND METHODS: This is a study of a single center series of six patients (three men, three women) who underwent insular surgery between May 2006 and December 2007. All patients had experienced medically intractable seizures without any evidence of a tumorous condition based on previous examination. We used strip electrode implantation in one patient and stereotactic depth electrode insertion in two patients, which resulted in partial removal of the insular. The other three patients underwent open direct subpial depth electrode insertion, which resulted in total removal of the insular cortex. RESULTS: There were no surgery-related complications with the insulectomy after insertion of the subpial depth electrodes, regardless of the monitoring method or extent of removal. All patients except for one showed considerable improvement in epilepsy (83.3% Engle class I, 16.5% Engle class II). In the three patients who had open direct subpial depth electrodes inserted, we achieved total insulectomy without increasing the surgical morbidity, while in the other three patients, the insular removal was only partial. CONCLUSION: We demonstrate that image-guided insular surgery with safe and accurate depth electrode guidance results in an optimal outcome and complete resection of the insular cortex.
Full Text
http://link.springer.com/article/10.1007%2Fs00381-008-0764-8
DOI
10.1007/s00381-008-0764-8
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아청소년과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Dong Seok(김동석)
Kim, Heung Dong(김흥동) ORCID logo https://orcid.org/0000-0002-8031-7336
Park, Young Seok(박영석)
Shim, Kyu Won(심규원) ORCID logo https://orcid.org/0000-0002-9441-7354
Lee, Yun Jin(이윤진)
Lee, Yun Ho(이윤호)
Lee, Joon Soo(이준수) ORCID logo https://orcid.org/0000-0001-9036-9343
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/104197
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