Usefulness of intraoperative insular electrocorticography in modified functional hemispherectomy.

Abstract:

BACKGROUND:The insular cortex is not routinely removed in modified functional hemispherectomy due to the risk of injury to the main arteries and to deep structures. Our study evaluates the safety and usefulness of applying intraoperative electrocorticography (ECoG) on the insular during the hemispherectomy. METHODS:We included all patients who underwent insular ECoG during a modified functional hemispherectomy from 2012 to 2015. After the surgery, the decision for further resection of the insular cortex was made based on the presence of electrographic seizures on ECoG. RESULTS:The study included 19 patients (age, 6.4 ± 4.7 years, mean ± standard deviation). Electrographic seizures were identified in 5 patients (26.3%). Sixteen of the 19 patients (84.2%) became seizure-free with a follow-up duration of 3.1 ± 0.6 years and no vascular complication occurred. CONCLUSIONS:Intraoperative insular ECoG monitoring can be performed safely while providing a tailored approach for insular resection during modified hemispherectomy.

journal_name

BMC Neurol

journal_title

BMC neurology

authors

Kim GH,Seo JH,Baumgartner JE,Ajmal F,Lee KH

doi

10.1186/s12883-017-0940-0

subject

Has Abstract

pub_date

2017-08-25 00:00:00

pages

162

issue

1

issn

1471-2377

pii

10.1186/s12883-017-0940-0

journal_volume

17

pub_type

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