Lobectomy versus gross total resection for glioblastoma multiforme: A systematic review and individual-participant data meta-analysis

•Greater EOR is associated with better survival outcomes for GBM, but GTR is typically considered the upper limit.•In certain regions such as the anterior temporal lobe, more extensive resection via lobectomy may be feasible.•Here, we aimed to compare the outcomes after lobectomy or GTR for GBM. Ove...

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Bibliographic Details
Published in:Journal of clinical neuroscience 2023-09, Vol.115, p.60-65
Main Authors: Zheng, Yilong, Saffari, Seyed Ehsan, Low, David Chyi Yeu, Lin, Xuling, Ker, Justin Rui Xin, Ang, Samantha Ya Lyn, Ng, Wai Hoe, Wan, Kai Rui
Format: Article
Language:English
Subjects:
Extent of resection
Glioblastoma
Glioma
Lobectomy
Supramaximal
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Summary:•Greater EOR is associated with better survival outcomes for GBM, but GTR is typically considered the upper limit.•In certain regions such as the anterior temporal lobe, more extensive resection via lobectomy may be feasible.•Here, we aimed to compare the outcomes after lobectomy or GTR for GBM. Overall survival (OS)for glioblastoma multiforme (GBM) has a known association with the extent of tumor resection with gross total resection (GTR) typically considered as the upper limit. In certain regions such as the anterior temporal lobe, more extensive resection by means of a lobectomy may be feasible. In our systematic review and meta-analysis, we aimed to compare the outcomes of lobectomy and GTR for GBM. PubMed and Embase were queriedfor studies that compared the outcomes after lobectomy or GTR for GBM. The primary outcomes were OS, progression-free survival (PFS), and Karnofksy Performance Status (KPS) score at the latest follow-up. The secondary outcomes were seizure control at the latest follow-up and complication rates. Meta-analysis for OS and PFS was performed using individual-participant data reconstructed from published Kaplan-Meier curves. Random-effect meta-analysis was performed for KPS. The secondary outcomes were pooled using descriptive statistics. Of the 795 records screened, 6 were included in our study. Meta-analysis revealed that anterior temporal, frontal, or occipital lobectomy was associated with significantly better OS (p 
ISSN:0967-5868
1532-2653
DOI:10.1016/j.jocn.2023.07.016