Video versus direct laryngoscopy in critically ill patients: an updated systematic review and meta-analysis of randomized controlled trials.

Background: The utilization of video laryngoscopy (VL) has demonstrated superiority over direct laryngoscopy (DL) for intubation in surgical settings. However, its effectiveness in the intensive care unit and emergency department settings remains uncertain.

Methods: We systematically searched PubMed, Embase, Cochrane, and ClinicalTrials.