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  • Title: Comparing subjective quality of recovery between remimazolam- and propofol-based total intravenous anesthesia for surgical procedures: a meta-analysis.
    Author: Hung KC, Wang WT, Liu WC, Hsu CW, Huang YT, Wu JY, Chen IW.
    Journal: Syst Rev; 2024 Sep 17; 13(1):235. PubMed ID: 39289773.
    Abstract:
    BACKGROUND: Remimazolam is a novel ultra-short-acting benzodiazepine that has been recently introduced as an alternative to propofol for general anesthesia. While both agents have been compared in terms of safety and efficacy, their relative effects on postoperative quality of recovery (QoR) remain unclear. Therefore, this meta-analysis aimed to compare the effects of remimazolam and propofol on subjective QoR in surgical patients who underwent general anesthesia. METHODS: Medline, Embase, Google Scholar, and the Cochrane Central Register of Controlled Trials were searched from inception to May 28, 2024 to identify randomized controlled trials comparing remimazolam and propofol in terms of postoperative QoR. The Cochrane risk-of-bias tool (RoB 2) was used to assess study quality. QoR score on postoperative day (POD) 1 (primary outcome), QoR scores on PODs 2-3, QoR dimensions, time to loss of consciousness, other recovery characteristics, and rescue analgesia requirement were evaluated using random-effects meta-analyses. RESULTS: This meta-analysis included 13 studies published between 2022 and 2024 involving 1,418 patients. QoR was evaluated using either the QoR-15 (10 studies) or QoR-40 (3 studies) questionnaire. The pooled results indicated no significant difference in the QoR scores on POD 1 (standardized mean difference: 0.02, 95% confidence interval [CI]: - 0.20, 0.23, P = 0.88, I2 = 73%) and PODs 2-3 between remimazolam and propofol. Furthermore, no significant differences were observed in QoR dimensions, length of postanesthesia care unit (PACU) stay, and time to extubation as well as in the risks of agitation and postoperative nausea and vomiting. Patients administered remimazolam exhibited slower anesthetic induction (mean difference (MD): 32.27 s) but faster recovery of consciousness (MD: - 1.60 min) than those administered propofol. Moreover, remimazolam was associated with a lower risk of rescue analgesia requirement in the PACU (risk ratio: 0.62, 95% CI: 0.43, 0.89, P = 0.009, I2 = 0%) but not in the ward. CONCLUSION: Remimazolam is a potential alternative to propofol for general anesthesia as it offers similar QoR to the latter and has advantages in terms of consciousness recovery and immediate postoperative analgesia requirement.
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