What does this research mean for the field?

Current literature is inconclusive regarding whether intraoperative neurophysiological monitoring reduces postoperative neurological morbidity in supratentorial meningioma surgery, despite its utility in motor cortex identification. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To systematically evaluate the impact of intraoperative neurophysiological monitoring on surgical decision-making, intraoperative changes, and postoperative neurological outcomes in supratentorial meningioma resection.

August 28, 2026DiagnosticsOpen Access

Impact of Intraoperative Neurophysiological Monitoring on Supratentorial Meningioma Surgery: A Systematic Review

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To systematically evaluate the impact of intraoperative neurophysiological monitoring on surgical decision-making, intraoperative changes, and postoperative neurological outcomes in supratentorial meningioma resection.
Conducted a PRISMA-guided systematic review across PubMed, Scopus, and Cochrane databases.
Identified and analyzed 9 studies comprising 576 cases of supratentorial meningioma.
Evaluated risk of bias using ROBINS-I, the JBI Critical Appraisal Checklist, or QUADAS-2 based on individual study designs.
Monitoring modalities exhibited substantial heterogeneity, incorporating motor and somatosensory evoked potentials, direct cortical stimulation, and electromyography.
Postoperative neurological deficits ranged from 5.2% to 66% across monitored and unmonitored cohorts, with observed false-negative cases where deficits developed despite preserved intraoperative signals.
Intraoperative motor cortex mapping consistently altered surgical decision-making near motor areas, but pooled evidence remains inconclusive regarding its effectiveness in reducing postoperative deficits.

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Implication

Systematic review finds variable effects of intraoperative neurophysiological monitoring in supratentorial meningioma surgery, indicating inconclusive evidence for reducing neurological morbidity.

Cite This Study

Offi et al. (2026) studied this question.

synapsesocial.com/papers/6a914613d15324a1df3a95a2 https://doi.org/10.3390/diagnostics16172730

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Implication

Systematic review finds variable effects of intraoperative neurophysiological monitoring in supratentorial meningioma surgery, indicating inconclusive evidence for reducing neurological morbidity.

Impact of Intraoperative Neurophysiological Monitoring on Supratentorial Meningioma Surgery: A Systematic Review

Key Points

Discussion

Implication

Cite This Study

Impact of Intraoperative Neurophysiological Monitoring on Supratentorial Meningioma Surgery: A Systematic Review

Key Points

Discussion

Implication

Cite This Study

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