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Impact of intraoperative stimulation mapping on high-grade glioma surgery outcome: a meta-analysis.


ABSTRACT:

Background

Intraoperative stimulation mapping (ISM) using electrocortical mapping (awake craniotomy, AC) or evoked potentials has become a solid option for the resection of supratentorial low-grade gliomas in eloquent areas, but not as much for high-grade gliomas. This meta-analysis aims to determine whether the surgeon, when using ISM and AC, is able to achieve improved overall survival and decreased neurological morbidity in patients with high-grade glioma as compared to resection under general anesthesia (GA).

Methods

A systematic search was performed to identify relevant studies. Adult patients were included who had undergone craniotomy for high-grade glioma (WHO grade III or IV) using ISM (among which AC) or GA. Primary outcomes were rate of postoperative complications, overall postoperative survival, and percentage of gross total resections (GTR). Secondary outcomes were extent of resection and percentage of eloquent areas.

Results

Review of 2049 articles led to the inclusion of 53 studies in the analysis, including 9102 patients. The overall postoperative median survival in the AC group was significantly longer (16.87 versus 12.04 months; p?ConclusionsThese findings suggest that surgeons using ISM and AC during their resections of high-grade glioma in eloquent areas experienced better surgical outcomes: a significantly longer overall postoperative survival, a lower rate of postoperative complications, and a higher percentage of GTR.

SUBMITTER: Gerritsen JKW 

PROVIDER: S-EPMC6331492 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Impact of intraoperative stimulation mapping on high-grade glioma surgery outcome: a meta-analysis.

Gerritsen Jasper Kees Wim JKW   Arends Lidia L   Klimek Markus M   Dirven Clemens Maria Franciscus CMF   Vincent Arnaud Jean-Pierre Edouard AJE  

Acta neurochirurgica 20181121 1


<h4>Background</h4>Intraoperative stimulation mapping (ISM) using electrocortical mapping (awake craniotomy, AC) or evoked potentials has become a solid option for the resection of supratentorial low-grade gliomas in eloquent areas, but not as much for high-grade gliomas. This meta-analysis aims to determine whether the surgeon, when using ISM and AC, is able to achieve improved overall survival and decreased neurological morbidity in patients with high-grade glioma as compared to resection unde  ...[more]

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