Comparing Direct and Video Laryngoscopy for Prehospital Intubation: Can Meta-Analysis Provide an Exact Solution?

The recent systemic review and meta-analysis by Savino et al.¹ comparing performance of video versus direct laryngoscopy for prehospital intubation was of great interested to us. They conclude that among physician intubators with significant direct laryngoscopy (DL) experience, video laryngoscopy (VL) does not increase overall or first-pass success rate and may lead to worsening performance. However, among non-physician intubators with less experience with DL, VL may provide benefit in the prehospital setting. In a meta-analysis, the results from many studies are mathematically synthesized by complex statistical methods to evaluate the diversity among results and to estimate a common pooled effect with increased precision.

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