The best route and dose of dexamethasone for brachial plexus block: a systematic review and meta-analysis

doi:10.3969/j.issn.2095-4344.2787

Abstract

Abstract:

BACKGROUND: Dexamethasone has been widely used in brachial plexus block to enhance the block effect,

but the best way (perineural or intravenous) and dose are still inconclusive.

OBJECTIVE: To systematically evaluate the optimal approach and dose of dexamethasone for brachial plexus block.

METHODS: Studies on dexamethasone and brachial plexus block were searched in PubMed, Embase, Cochrane Library, CNKI, WanFang and VIP. Two evaluators analyzed the literatures, evaluated the quality, extracted relevant research indicators according to the screening criteria, and completed the meta-analysis.

RESULTS AND CONCLUSION: A total of 16 articles were finally included in the meta-analysis (1 260 patients). As suggested by the Meta-analysis, regardless of 1-4 mg or 5-10 mg of dexamethasone, the perineural group significantly prolonged the duration of analgesia compared with the intravenous group [weighted mean difference (WMD)=201.38, 95% confidence interval (CI) (68.22, 334.54), P=0.003; WMD=302.96, 95%CI (142.41, 463.50), P=0.000 2]. There were no significant differences in the duration of motor block between the perineural and intravenous groups [WMD=121.06, 95%CI(-62.31, 304.42), P=0.20, I²=95%]. Compared with the intravenous group, the perineural group significantly prolonged the duration of analgesia. However, similar duration of analgesia was found in 1-4 mg and 5-10 mg of dexamethasone and the analgesia effect did not increase with the increase of dose. There were no significant differences in the duration of motor block between the perineural and intravenous groups.

Key words: dexamethasone, brachial plexus block, nerve block, perineural, intravenous, analgesic duration, motor block duration, meta-analysis

CLC Number:

Zhang Qing, Fan Junbai, Zhao Xiaoyu. The best route and dose of dexamethasone for brachial plexus block: a systematic review and meta-analysis[J]. Chinese Journal of Tissue Engineering Research, 2020, 24(29): 4751-4756.

Figures/Tables 9

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