Efficacy of intravenous acetaminophen on postoperative shivering: A meta-analysis of randomized controlled trials

Author:

Liu Jikai1,Cao Qian1,Zeng Jinfang2,Liang Xiao2ORCID

Affiliation:

1. School of Medicine, Jiangnan University, Wuxi, China

2. Department of Anesthesiology, Jiangnan University Medical Center, Wuxi, China.

Abstract

Purpose: Postoperative shivering (POS) is a common and vital complication after anesthesia, which may result in serious consequences and uncomfortable experiences. Acetaminophen has been used to treat fever and mild to moderate pain. However, there is not enough evidence to prove its advantage for POS. This meta-analysis aimed to explore the prophylactic use of acetaminophen as a valid agent for POS. Methods: Two researchers independently searched PubMed, the Cochrane Library, and Embase for controlled clinical trials. The meta-analysis of randomized controlled trials (RCTs) was performed by Review Manager. Results: Nine trials with 856 patients were included in our meta-analysis. Acetaminophen significantly reduced POS compared with placebo (pooled risk ratio [RR]: 0.43, 95% confidence interval [CI]: 0.35–0.52). What is more, not only 15 mg/kg but also 1000 mg intravenous acetaminophen could reduce the incidence of shivering compared with placebo. Conclusion: Our present meta-analysis demonstrates that the intravenous prophylactic infusion of acetaminophen may prevent POS, and the results may provide new evidence to expand the clinical value of acetaminophen in addition to its routine usage.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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