• Clístenes C de Carvalho, Stéphanie L P A Regueira, Ana Beatriz S Souza, Lucas M L F Medeiros, Marielle B S Manoel, Danielle M da Silva, Jayme M Santos Neto, and James Peyton.
• Department of Post-Graduation, Instituto de Medicina Integral Professor Fernando Figueira, Recife, Brazil.
• Paediatr Anaesth. 2022 Sep 1; 32 (9): 1000-1014.

BackgroundVideolaryngoscopes improve tracheal intubation in adult patients, but we currently do not know whether they are similarly beneficial for children. We designed this ranking systematic review to compare individual video and direct laryngoscopes for efficacy and safety of orotracheal intubation in children.MethodsWe searched PubMed and five other databases on January 27, 2021. We included randomized clinical trials with patients aged ≤18 years, comparing different laryngoscopes for the outcomes: failed first intubation attempt; failed intubation within two attempts; failed intubation; glottic view; time for intubation; complications. In addition, we assessed the quality of evidence according to GRADE recommendations.ResultsWe included 46 studies in the meta-analyses. Videolaryngoscopy reduced the risk of failed first intubation attempt (RR = 0.43; 95% CI: 0.31-0.61; p = .001) and failed intubation within two attempts (RR = 0.33; 95% CI: 0.33-0.33; p < .001) in children aged <1 year. Videolaryngoscopy also reduced the risk of major complications in both children aged <1 year (RR = 0.33; 95% CI: 0.12-0.96; p = .046) and children aged 0-18 years (RR = 0.40; 95% CI: 0.25-0.65; p = .002). We did not find significant difference between videolaryngoscopy and direct laryngoscopy for time to intubation in children aged <1 year (MD = -0.95 s; 95% CI: -5.45 to 3.57 s; p = .681), and children aged 0-18 years (MD = 1.65 s; 95% CI: -1.00 to 4.30 s; p = .222). Different videolaryngoscopes were associated with different performance metrics within this meta-analysis. The overall quality of the evidence ranged from low to very low.ConclusionVideolaryngoscopes reduce the risk of failed first intubation attempts and major complications in children compared to direct laryngoscopes. However, not all videolaryngoscopes have the same performance metrics, and more data is needed to clarify which device may be better in different clinical scenarios. Additionally, care must be taken while interpreting our results and rankings due to the available evidence's low or very low quality.© 2022 John Wiley & Sons Ltd.

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