Meta-Analysis
Copyright ©The Author(s) 2021.
World J Clin Cases. Sep 16, 2021; 9(26): 7772-7785
Published online Sep 16, 2021. doi: 10.12998/wjcc.v9.i26.7772
Table 2 Summary of findings based on the pooling of available literature
Techniques compared/outcomes
Success on 1st insertion
Overall success of insertion
Reverse Sellick’s maneuver vs conventional techniqueRR 1.94; 95%CI: 1.62-2.31RR 1.26; 95%CI: 1.04-1.52
Neck flexion with lateral neck pressure vs conventional techniqueRR 1.64; 95%CI: 1.10-2.45RR 1.26; 95%CI: 1.05-1.52
Frozen nasogastric tube vs conventional techniqueRR 1.55; 95%CI: 1.13-2.13RR 1.32; 95%CI: 1.13-1.54
Endotracheal tube-guided vs conventional techniqueRR 1.88; 95%CI: 1.52-2.32RR 1.52; 95% CI: 1.29-1.79
Video-assisted vs conventional techniqueRR 1.60; 95%CI: 1.31-1.95RR 1.41; 95%CI: 1.20-1.64