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Forecasting Excessive Anesthesia Depth Using EEG <italic>α</italic>-Spindle Dynamics and Machine Learning

delete2026-07-08
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OA
AI
C
Christophe Sun
P
Pierre-Olivier Michel
F
François David
N
Nathalie Rouach
D
Dan Longrois
D
David Holcman
DOI:10.1109/tnsre.2026.3711533delete
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Abstract

Abstract

En 中文
Accurately predicting transitions to anesthetic drugs overdosage is a critical challenge in general anesthesia as it requires the identification of EEG indicators relevant for anticipating the evolution of the depth of anesthesia. In this study, we introduce a real-time, data-driven framework based on <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\alpha $ </tex-math></inline-formula>-spindle dynamics extracted from frontal EEG recordings. Using Empirical Mode Decomposition, we segment transient <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\alpha $ </tex-math></inline-formula>-spindle events and extract statistical features such as amplitude, duration, frequency, and suppression intervals. We apply these features to train a Light Gradient Boosting Machine (LGBM) classifier on a clinical EEG dataset spanning induction, maintenance, and emergence phases of general anesthesia. Our model accurately classifies anesthesia phases with over 80% accuracy and anticipates the onset of isoelectric suppression—a marker of anesthetic drug overdosage—with 96% accuracy up to 90 seconds in advance. The spindle-based metrics provides a non-invasive, interpretable, and predictive approach. This real-time method can be used to forecast unintentional anesthetic drug overdosage, enabling proactive anesthesia management based solely on EEG signals. Integration of this methodology into existing or new DoA monitoring models would enhance their utility to guide clinical practice.
Keywords:
Electroencephalography (EEG)
$\alpha $ -spindles
empirical mode decomposition (EMD)
light gradient boosting machine (LGBM)
general anesthesia (GA)
predictive biomarker
isoelectric suppression (IES)
depth of anesthesia (DoA)
cross-frequency coupling (CFC)
machine learning

Journal

IEEE Transactions on Neural Systems and Rehabilitation Engineering cover
IEEE Transactions on Neural Systems and Rehabilitation Engineering
IF:
5.2
Papers:
448
Citations:
1.6W

Organization

U
Universite PSL
Scholars:
3.3W
Papers: 2.5W
Citations: 91
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