Clinical utility of intraoperative electrocorticography for epilepsy surgery: A systematic review and meta‐analysis

Despite the widespread use of intraoperative electrocorticography (iECoG) during resective epilepsy surgery, there are conflicting data on its overall efficacy and inability to predict benefit per pathology. Given the heterogeneity of iECoG use in resective epilepsy surgery, it is important to asses...

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Bibliographic Details
Published in:Epilepsia (Copenhagen) 2023-02, Vol.64 (2), p.253-265
Main Authors: Goel, Keshav, Pek, Valérie, Shlobin, Nathan A., Chen, Jia‐Shu, Wang, Andrew, Ibrahim, George M., Hadjinicolaou, Aristides, Roessler, Karl, Dudley, Roy W., Nguyen, Dang K., El‐Tahry, Riëm, Fallah, Aria, Weil, Alexander G.
Format: Article
Language:English
Subjects:
clinical utility
Convulsions & seizures
Dysplasia
Electrocorticography
Epilepsy
Epilepsy - etiology
Epilepsy - surgery
Etiology
Follow-Up Studies
Humans
intraoperative electrocorticography
Meta-analysis
Patients
Retrospective Studies
Seizures
Seizures - etiology
Surgery
Systematic review
Treatment Outcome
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Summary:Despite the widespread use of intraoperative electrocorticography (iECoG) during resective epilepsy surgery, there are conflicting data on its overall efficacy and inability to predict benefit per pathology. Given the heterogeneity of iECoG use in resective epilepsy surgery, it is important to assess the utility of interictal‐based iECoG. This individual patient data (IPD) meta‐analysis seeks to identify the benefit of iECoG during resective epilepsy surgery in achieving seizure freedom for various pathologies. Embase, Scopus, and PubMed were searched from inception to January 31, 2021 using the following terms: "ecog", "electrocorticography", and "epilepsy". Articles were included if they reported seizure freedom at ≥12‐month follow‐up in cohorts with and without iECoG for epilepsy surgery. Non‐English articles, noncomparative iECoG cohorts, and studies with
ISSN:0013-9580
1528-1167
DOI:10.1111/epi.17472