Conventional versus video-assisted laryngoscopy for perioperative endotracheal intubation (COVALENT) - a randomized, controlled multicenter trial

Data on the routine use of video-assisted laryngoscopy in peri-operative intubations are rather inconsistent and ambiguous, in part due to small populations and non-uniform outcome measures in past trials. Failed or prolonged intubation procedures are a reason for relevant morbidity and mortality. T...

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Bibliographic Details
Published in:	BMC anesthesiology Vol. 23; no. 1; p. 128
Main Authors:	Schmid, Benedikt, Eckert, Dominik, Meixner, Andreas, Pistner, Paul, Malzahn, Uwe, Berberich, Monika, Happel, Oliver, Meybohm, Patrick, Kranke, Peter
Format:	Journal Article
Language:	English
Published:	England BioMed Central Ltd 18-04-2023 BioMed Central BMC
Subjects:	Adult Airway management Anaesthesiology Analysis Anesthetists Clinical trials Emergency medical care General anesthesia Germany Health aspects Human factors research Humans Hypotheses Information management Intensive care Intervention Intubation Intubation, Intratracheal - methods Laryngoscopes Laryngoscopy Laryngoscopy - methods Laws, regulations and rules Morbidity Mortality Patient safety Patients Study Protocol Success Time Factors Video-assisted laryngoscopy Germany Anaesthesiology Airway management Video-assisted laryngoscopy Human factors Patient safety Intubation Laryngoscopy
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Summary:	Data on the routine use of video-assisted laryngoscopy in peri-operative intubations are rather inconsistent and ambiguous, in part due to small populations and non-uniform outcome measures in past trials. Failed or prolonged intubation procedures are a reason for relevant morbidity and mortality. This study aims to determine whether video-assisted laryngoscopy (with both Macintosh-shaped and hyperangulated blades) is at least equal to the standard method of direct laryngoscopy with respect to the first-pass success rate. Furthermore, validated tools from the field of human factors will be applied to examine within-team communication and task load during this critical medical procedure. In this randomized, controlled, three-armed parallel group design, multi-centre trial, a total of more than 2500 adult patients scheduled for perioperative endotracheal intubation will be randomized. In equally large arms, video-assisted laryngoscopy with a Macintosh-shaped or a hyperangulated blade will be compared to the standard of care (direct laryngoscopy with Macintosh blade). In a pre-defined hierarchical analysis, we will test the primary outcome for non-inferiority first. If this goal should be met, the design and projected statistical power also allow for subsequent testing for superiority of one of the interventions. Various secondary outcomes will account for patient safety considerations as well as human factors interactions within the provider team and will allow for further exploratory data analysis and hypothesis generation. This randomized controlled trial will provide a solid base of data in a field where reliable evidence is of major clinical importance. With thousands of endotracheal intubations performed every day in operating rooms around the world, every bit of performance improvement translates into increased patient safety and comfort and may eventually prevent significant burden of disease. Therefore, we feel confident that a large trial has the potential to considerably benefit patients and anaesthetists alike. ClincalTrials.gov NCT05228288. 1.1, November 15, 2021.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 ObjectType-Undefined-3
ISSN:	1471-2253 1471-2253
DOI:	10.1186/s12871-023-02083-3