Effect of stellate ganglion block on postoperative nausea and vomiting after general anesthesia: A meta-analysis.

ABSTRACT: ObjectiveTo identify the effect of stellate ganglion block on the incidence of postoperative nausea and vomiting.MethodsWe systematically searched electronic databases for published randomized controlled trials comparing stellate ganglion block with placebo for reducing postoperative nausea and vomiting. The primary outcome was the incidence of postoperative nausea and vomiting after general anesthesia. Meta-regression analysis was performed to investigate potential sources of heterogeneity. Trial sequential analysis was also carried out to calculate the required information size.ResultsIn total, 16 randomized controlled trials including 1385 patients were included in the study. Stellate ganglion block significantly reduced the incidence of postoperative nausea and vomiting (relative risk,

SUBMITTER: Miao S 

PROVIDER: S-EPMC12464394 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature