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  • Title: Remimazolam versus propofol for procedural sedation and anesthesia: a systemic review and meta-analysis.
    Author: Zhang J, Cairen Z, Shi L, Pang S, Shao Y, Wang Y, Lu Z.
    Journal: Minerva Anestesiol; 2022 Dec; 88(12):1035-1042. PubMed ID: 36326772.
    Abstract:
    INTRODUCTION: The aim of this systemic review and meta-analysis was to evaluate the efficacy and safety of remimazolam compared with propofol when used for procedural sedation and general anesthesia. EVIDENCE ACQUISITION: Data sources were PubMed, EMBASE, Web of Science, the Cochrane Central Register of Controlled Trials, and ClinicaTrials.gov, searched up to March 21, 2022. RCTs comparing remimazolam and propofol in patients undergoing procedural sedation or general anesthesia were searched. Pooled risk ratios (RRs) or standardized mean difference, 95% CIs, and P values were estimated for end points using the fixed- and random-effects statistical model. The trial sequential analysis was used for sensitivity analysis. EVIDENCE SYNTHESIS: Ten studies with 1813 patients were included. Compared with propofol, remimazolam had lower success rate of sedation/general anesthesia (RR, 1.02; 95% CI: 1.01 to 1.03; P=0.004; N.=1402). However, remimazolam had lower incidence of hypoxia, hypotension, and injection pain than propofol. No difference in incidence of nausea and vomiting, time to awake and to discharge was found. Subgroup studies showed that remimazolam had lower success rate than propofol when used for procedural sedation, not general anesthesia. The trial sequential analysis adjusted confidence interval was 1.01 to 1.04 for success rate. CONCLUSIONS: Remimazolam could be alternatively used in procedural sedation and general anesthesia. Additional research is needed to develop higher quality evidence on the use of remimazolam, especially in general anesthesia.
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