Prevention of hypotension after spinal anaesthesia for caesarean section: a systematic review and network meta‐analysis of randomised controlled trials

Anaesthesia ◽  
2019 ◽  
Vol 75 (1) ◽  
pp. 109-121 ◽  
Author(s):  
J. P. Fitzgerald ◽  
K. A. Fedoruk ◽  
S. M. Jadin ◽  
B. Carvalho ◽  
S. H. Halpern
Keyword(s):  
Systematic Review ◽  
Caesarean Section ◽  
Spinal Anaesthesia ◽  
Randomised Controlled Trials ◽  
Meta Analysis ◽  
Controlled Trials ◽  
Randomised Controlled

scholarly journals 5-HT3 receptor antagonists for the prevention of perioperative shivering undergoing spinal anaesthesia: a systematic review and meta-analysis of randomised controlled trials

BMJ Open ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. e038293
Author(s):  
Qi-Hong Shen ◽  
Hui-Fang Li ◽  
Xuyan Zhou ◽  
Yaping Lu ◽  
Xiao-Zong Yuan
Keyword(s):  
Systematic Review ◽  
Spinal Anaesthesia ◽  
Randomised Controlled Trials ◽  
Primary Outcome ◽  
Meta Analysis ◽  
Controlled Trials ◽  
Receptor Antagonists ◽  
Assessment Development ◽  
Different Types ◽  
Randomised Controlled

ObjectivePerioperative shivering (POS) is a common complication in patients undergoing spinal anaesthesia. The present study investigated the efficacy of 5-HT3 receptor antagonists in preventing POS following spinal anaesthesia.DesignSystematic review and meta-analysis.Data sourcesPubmed, Embase, the Web of Science and Cochrane Library were searched from database establishment on 31 July 2019.Eligibility criteriaRandomised controlled trials that reported the effects of 5-HT3 receptor antagonists in the prevention of POS in patients after spinal anaesthesia.Data extraction and synthesisTwo reviewers independently extracted data. The primary outcome of the present study was the incidence of POS. The risk of bias for the included studies was assessed according to the Cochrane Handbook. The quality of primary outcome was evaluated by Grading of Recommendations Assessment, Development and Evaluation. Trial sequential analysis for the primary outcome was performed to reduce the type 1 error caused by repeated meta-analysis and the required information size was calculated.ResultsA total of 13 randomised controlled trials consisting of 1139 patients were included. The overall incidence of POS was significantly lower in the 5-HT3 receptor antagonists group (risk ratio 0.31; 95% CI 0.26 to 0.38; p<0.01; I2=0%). Subgroup analysis for different types of 5-HT3 receptor antagonists and timing of administration produced similar results. Also, patients had a lower incidence of postoperative nausea and vomiting after administrating 5-HT3 receptor antagonists. No statistically significant differences in drug-related adverse effects were observed. Grading of Recommendations Assessment, Development and Evaluation revealed a high level of evidence. The cumulative z-curve crossed the trial sequential monitoring boundary.ConclusionsThe present study revealed that prophylactic 5-HT3 receptor antagonists were an effective measure for reducing the incidence of POS in patients after spinal anaesthesia. However, further studies investigating the different types of surgeries are required.PROSPERO registration numberCRD42019148191.

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