Feasibility of Closed-loop TCI Based on New EEG Baseline in the Presence of Low Dose of Esketamine

Abstract

The propofol-remifentanil closed-loop TCI system based on EEG guidance has been clinically verified, which enables more precise anesthetic dosing. As an adjunct to anesthesia, esketamine has been shown to stabilize hemodynamics, reduce opioid use, and reduce postoperative nausea and vomiting. However, due to its specific electroencephalographic excitatory effect, esketmine's clinical use in close-loop system has been limited. The aim of this experiment was to determine the specific impact of esketamine on EEG and thus obtain a new EEG baseline for close-loop system, which can broaden the application of close-loop TCI system in combination with other drugs.

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