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Editorial Comment
Similarities in consciousness occurring during sleep and sedation.
- Andrew J F Turner, Jordan Wehrman, and Robert D Sanders.
- Department of Anaesthesia, Royal North Shore Hospital, Sydney, NSW, Australia.
- Br J Anaesth. 2023 Oct 1; 131 (4): 632633632-633.
AbstractThe subjective experiences of sedation or anaesthesia are underexplored. A recent study by Valli and colleagues (Br J Anaesth 2023; 131: 348-59) found similar frequency and content of recalled experiences after both non-rapid eye movement sleep and target-controlled infusions of propofol or dexmedetomidine titrated to verbal unresponsiveness. The authors find that the phenomenological similarities between consciousness during sleep and sedation mirror their physiological similarities. Intriguingly, in this small sample, conscious experience did not show a dose-dependent response suggesting other factors are important in determining the propensity for consciousness under sedation.Copyright © 2023. Published by Elsevier Ltd.
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