The role of the perioperative use of EEG as a predictor/diagnostic tool for post-operative delirium: Systematic Review (P10-1.008)

Bruzzone, Maria; Walker, Jessie; Chapin, Benjamin; Firme, Marcos Santana; Kimmet, Faith; Ahmed, Sabaina; Perera, Estefania; Amini, Shawna; Price, Catherine

doi:10.1212/wnl.0000000000204149

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“…Additionally, our results regarding the duration of burst suppression and its link to POD may also elucidate the findings of Sumner et al ( 2023 ). In the systematic review conducted by Bruzzone et al ( 2023 ) a detailed analysis was presented showing associations between specific intraoperative EEG parameters and the development of POD. The study found that increased magnitude and longer durations of EEG suppression, alongside a reduction in higher frequency activity, were significant indicators of POD risk.…”

Section: Discussionmentioning

confidence: 99%

Intraoperative electroencephalogram patterns as predictors of postoperative delirium in older patients: a systematic review and meta-analysis

Likhvantsev,

Berikashvili,

Smirnova

et al. 2024

Front. Aging Neurosci.

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BackgroundPostoperative delirium (POD) significantly affects patient outcomes after surgery, leading to increased morbidity, extended hospital stays, and potential long-term cognitive decline. This study assessed the predictive value of intraoperative electroencephalography (EEG) patterns for POD in adults.MethodsThis systematic review and meta-analysis followed the PRISMA and Cochrane Handbook guidelines. A thorough literature search was conducted using PubMed, Medline, and CENTRAL databases focusing on intraoperative native EEG signal analysis in adult patients. The primary outcome was the relationship between the burst suppression EEG pattern and POD development.ResultsFrom the initial 435 articles identified, 19 studies with a total of 7,229 patients were included in the systematic review, with 10 included in the meta-analysis (3,705 patients). In patients exhibiting burst suppression, the POD incidence was 22.1% vs. 13.4% in those without this EEG pattern (p=0.015). Furthermore, an extended burst suppression duration associated with a higher likelihood of POD occurrence (p = 0.016). Interestingly, the burst suppression ratio showed no significant association with POD.ConclusionsThis study revealed a 41% increase in the relative risk of developing POD in cases where a burst suppression pattern was present. These results underscore the clinical relevance of intraoperative EEG monitoring in predicting POD in older patients, suggesting its potential role in preventive strategies.Systematic Review RegistrationThis study was registered on International Platform for Registered Protocols for Systematic Reviews and Meta-Analyses: INPLASY202420001, https://doi.org/10.37766/inplasy2024.2.0001.

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Section: Discussionmentioning

confidence: 99%