Retrospective analysis shows noise exposure affects pain and EEG in lower abdominal surgery, suggesting importance of sound management.
High-level intraoperative noise exposure during lower abdominal surgery under general anesthesia is linked to increased postoperative pain within 0 to 24 hours, elevated analgesic use, and decreased total EEG power (α, β, δ, and θ bands). This finding implies a potential connection among noise levels, EEG alterations, and postoperative pain. However, this work cannot confirm causality because of its retrospective nature; prospective research is needed for verification.
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Lu et al. (2026) studied this question.
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