Clinical and experimental pharmacology & physiology
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Clin. Exp. Pharmacol. Physiol. · Mar 2016
Randomized Controlled TrialChanges in postoperative night bispectral index of patients undergoing thoracic surgery with different types of anaesthesia management: a randomized controlled trial.
This study hypothesized that different types of anaesthesia management would result in similar postoperative sleep quality. In this prospective single-blind investigation, 219 patients undergoing elective thoracic surgery were randomized into three arms: general anaesthesia, as the control group (group C); general anaesthesia combined with thoracic epidural anaesthesia (TEA) (group E); and general anaesthesia combined with infusion of 1 μg/kg dexmedetomidine (group D). Plasma samples were obtained to measure the amine and inflammatory cytokine concentrations. ⋯ Patients in group E had the highest BIS of sleep efficiency index (29.2%, P < 0.05) and the lowest VAS scores (3.5, P < 0.05). Group E had lower IL-6 levels than the other two groups 24 h after surgery (P < 0.05). Patients given TEA may show reduced sleep disturbances on the first night after surgery, perhaps due to better pain management and inhibition of IL-6 release.