Stereoelectroencephalography in children and adolescents with difficult-to-localize refractory focal epilepsy
BACKGROUND: Although stereoelectroencephalography (SEEG) has been shown to be a valuable tool for preoperative decision making in focal epilepsy, there are few reports addressing the utility and safety of SEEG methodology applied to children and adolescents.
OBJECTIVE: To present the results of our early experience using SEEG in pediatric patients with difficult-to-localize epilepsy who were not considered candidates for subdural grid evaluation.
METHODS: Thirty children and adolescents with the diagnosis of medically refractory focal epilepsy (not considered ideal candidates for subdural grids and strip placement) underwent SEEG implantation. Demographics, electrophysiological localization of the hypothetical epileptogenic zone, complications, and seizure outcome after resections were analyzed.
RESULTS: Eighteen patients (60%) underwent resections after SEEG implantations. In patients who did not undergo resections (12 patients), reasons included failure to localize the epileptogenic zone (4 patients); multifocal epileptogenic zone (4 patients); epileptogenic zone located in eloquent cortex, preventing resection (3 patients); and improvement in seizures after the implantation (1 patient). In patients who subsequently underwent resections, 10 patients (55.5%) were seizure free (Engel class I) and 5 patients (27.7%) experienced seizure improvement (Engel class II or III) at the end of the follow-up period (mean, 25.9 months; range, 12 to 47 months). The complication rate in SEEG implantations was 3%.
CONCLUSION: The SEEG methodology is safe and should be considered in children/adolescents with difficult-to-localize epilepsy. When applied to highly complex and difficult-to-localize pediatric patients, SEEG may provide an additional opportunity for seizure freedom in association with a low morbidity rate.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2014 |
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| Erschienen: |
2014 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:75 |
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| Enthalten in: |
Neurosurgery - 75(2014), 3 vom: 07. Sept., Seite 258-68; discussion 267-8 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gonzalez-Martinez, Jorge [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 30.07.2015 Date Revised 02.12.2018 published: Print Citation Status MEDLINE |
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| doi: |
10.1227/NEU.0000000000000453 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM238781909 |
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| 100 | 1 | |a Gonzalez-Martinez, Jorge |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Stereoelectroencephalography in children and adolescents with difficult-to-localize refractory focal epilepsy |
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| 500 | |a Date Completed 30.07.2015 | ||
| 500 | |a Date Revised 02.12.2018 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: Although stereoelectroencephalography (SEEG) has been shown to be a valuable tool for preoperative decision making in focal epilepsy, there are few reports addressing the utility and safety of SEEG methodology applied to children and adolescents | ||
| 520 | |a OBJECTIVE: To present the results of our early experience using SEEG in pediatric patients with difficult-to-localize epilepsy who were not considered candidates for subdural grid evaluation | ||
| 520 | |a METHODS: Thirty children and adolescents with the diagnosis of medically refractory focal epilepsy (not considered ideal candidates for subdural grids and strip placement) underwent SEEG implantation. Demographics, electrophysiological localization of the hypothetical epileptogenic zone, complications, and seizure outcome after resections were analyzed | ||
| 520 | |a RESULTS: Eighteen patients (60%) underwent resections after SEEG implantations. In patients who did not undergo resections (12 patients), reasons included failure to localize the epileptogenic zone (4 patients); multifocal epileptogenic zone (4 patients); epileptogenic zone located in eloquent cortex, preventing resection (3 patients); and improvement in seizures after the implantation (1 patient). In patients who subsequently underwent resections, 10 patients (55.5%) were seizure free (Engel class I) and 5 patients (27.7%) experienced seizure improvement (Engel class II or III) at the end of the follow-up period (mean, 25.9 months; range, 12 to 47 months). The complication rate in SEEG implantations was 3% | ||
| 520 | |a CONCLUSION: The SEEG methodology is safe and should be considered in children/adolescents with difficult-to-localize epilepsy. When applied to highly complex and difficult-to-localize pediatric patients, SEEG may provide an additional opportunity for seizure freedom in association with a low morbidity rate | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Mullin, Jeffrey |e verfasserin |4 aut | |
| 700 | 1 | |a Bulacio, Juan |e verfasserin |4 aut | |
| 700 | 1 | |a Gupta, Ajay |e verfasserin |4 aut | |
| 700 | 1 | |a Enatsu, Rei |e verfasserin |4 aut | |
| 700 | 1 | |a Najm, Imad |e verfasserin |4 aut | |
| 700 | 1 | |a Bingaman, William |e verfasserin |4 aut | |
| 700 | 1 | |a Wyllie, Elaine |e verfasserin |4 aut | |
| 700 | 1 | |a Lachhwani, Deepak |e verfasserin |4 aut | |
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