Matthew E. Prekker, M.D., M.P.H., Brian E. Driver, Video versus Direct Laryngoscopy for Tracheal Intubation of Critically Ill Adults
The DirEct versus VIdeo LaryngosCopE (DEVICE) trial is a prospective, multicentre, non-blinded, randomised trial being conducted in 7 EDs and 10 ICUs in the USA
Critically ill adults undergoing tracheal intubation randomly assigned to the video-laryngoscope group or the direct-laryngoscope group
The primary outcome was successful intubation on the first attempt.
The secondary outcome was the occurrence of severe complications during intubation: severe hypoxemia, severe hypotension, new or increased vasopressor use, cardiac arrest, or death.
The trial was stopped for efficacy at the time of the single preplanned interim analysis.
Conclusions: Among critically ill adults undergoing tracheal intubation in an emergency department or ICU, the use of a videolaryngoscope resulted in a higher incidence of successful intubation on the first attempt than the use of a direct laryngoscope.
Comment: This a long journey hopefully coming to an end. From 2022 we have clear evidences on the superiority of Video versus Direct laryngoscopy Hansel J, Rogers AM, Lewis SR, Cook TM, Smith AF. Videolaryngoscopy versus direct laryngoscopy for adults undergoing tracheal intubation. Cochrane Database Syst Rev. 2022 Apr 4;4(4):CD011136. doi: 10.1002/14651858.CD011136.pub3. PMID: 35373840; PMCID: PMC8978307.. Main airway management societies (Difficult Airway Society; Society for Airway Management; European Airway Management Society; All India Difficult Airway Society; Canadian Airway Focus Group; Safe Airway Society; and International Airway Management Society) recently updated their statements on preventing the accidental oesophageal intubation in that sense. Preventing unrecognised oesophageal intubation: a consensus guideline from the Project for Universal Management of Airways and international airway societies. The DEVICE trial is another brick in the wall of consciousness about superiority of VL vs DL despite some findings are not replicable ( ex. DL FPS 70,8%) in systems where airway management and expertise in DL is a longstanding tradition. But as said we didn’t need this trial to arrive at the conclusion of the journey.
Use the videolaryngoscope (VL) as first choice in emergent tracheal intubation to improve first passage success and prevent accidental oesophageal intubation.
Use direct laryngoscope (DL) just as rescue device in case of technical failure of the videolrayngoscope
All medical systems involved in airway management need to be aware of this. A videolaryngoscope is no longer an option but a standard equipment. The best choice is to have both, standard and hyperangulated geometry blades, in adult and paediatric sizes.
The first approach with a standard geometry blade permits to shift from VL to DL without changing device. The hyparangulated blade can be useful in selected cases even as first option..
We also consequently need to shift paradigm from classical way of teaching airway management, to a VL first approach as default method and simulating any tech failure during the practical training forcing the trainee to use the DL as rescue plan.
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