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Utility of electrocorticography in the surgical treatment of cavernomas presenting with pharmacoresistant epilepsy
Author(s) -
SanJuan Daniel,
DíazNuñez Iván Cesár,
OjedaBaldéz Mónica,
BarajasJuárez Víctor Armando,
GonzálezHernández Iliana,
AlonsoVanegas Mario,
Anschel David J.,
Delgado de la Mora Jesús,
DavilaAvila Ned Merari,
RomeroGameros Carlos Alfonso,
VázquezGregorio Rafael,
HernándezRuíz Axel
Publication year - 2014
Publication title -
epileptic disorders
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.673
H-Index - 53
eISSN - 1950-6945
pISSN - 1294-9361
DOI - 10.1684/epd.2014.0674
Subject(s) - jadad scale , electrocorticography , medicine , epilepsy surgery , epilepsy , temporal lobe , medline , meta analysis , study heterogeneity , psychiatry , cochrane library , political science , law
Aim . To describe the general aspects of cavernomas and epilepsy and review the available literature on the utility of electrocorticography (ECoG) in cerebral cavernoma surgery. Methods . We searched studies in PubMed, MedLine, Scopus, Web of Science, and Google Scholar (from January 1969 to December 2013) using the keywords “electrocorticography” or “ECoG” or “prognosis” or “outcome” and “cavernomas”. Original articles that reported utility of ECoG in epilepsy surgery were included. Four review authors independently selected the studies, extracted data, and assessed the methodological quality of the studies using the recommendations of the Cochrane Handbook for Systematic Reviews of Interventions, PRISMA guidelines, and Jadad Scale. A meta‐analysis was not possible due to methodological, clinical, and statistical heterogeneity of included studies. We analysed six articles with a total of 219 patients. Results . The most common surgical approach was lesionectomy using ECoG in the temporal lobe with Engel I outcome range from 72.7 to 100%. Conclusions . Small controlled studies suggest that ECoG‐guided resection offers the best functional results in seizure control for subjects undergoing cavernoma surgery, especially in the temporal lobe.