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Cluster Randomized Trial: Hyperangulated video laryngoscopy reduces intubation attempts in surgical patients – JAMA

11 May, 2024 | 13:39h | UTC

Study Design and Population: This cluster randomized multiple crossover clinical trial was conducted at a single U.S. academic hospital to compare the effectiveness of hyperangulated video laryngoscopy versus direct laryngoscopy in reducing the number of intubation attempts during surgery. The study involved 7,736 adult patients, aged 18 years or older, undergoing elective or emergent cardiac, thoracic, or vascular surgical procedures that required single-lumen endotracheal intubation for general anesthesia. The trial randomized two sets of 11 operating rooms on a weekly basis to use either video laryngoscopy or direct laryngoscopy for the initial intubation attempt from March 2021 to December 2022.

Main Findings: Hyperangulated video laryngoscopy significantly decreased the number of intubation attempts compared to direct laryngoscopy. Specifically, 1.7% of surgical procedures using video laryngoscopy required more than one intubation attempt versus 7.6% for direct laryngoscopy, with an estimated proportional odds ratio of 0.20 (95% CI, 0.14-0.28; P < .001). Furthermore, intubation failure was markedly lower with video laryngoscopy (0.27%) compared to direct laryngoscopy (4.0%). However, there was no significant difference in the rates of airway and dental injuries between the two methods.

Implications for Practice: The findings indicate that hyperangulated video laryngoscopy enhances initial intubation success and reduces the need for multiple intubation attempts in a variety of surgical settings. This suggests that video laryngoscopy could be considered a preferable technique for endotracheal intubation in the operating room, potentially improving patient outcomes and efficiency. Further research might explore the generalizability of these results to other medical centers and different patient populations.

 

Reference (link to abstract – $ for full-text):

Ruetzler, K. et al. (2024). Cluster Randomized Trial: Hyperangulated Video Laryngoscopy Reduces Intubation Attempts in Surgical Patients. JAMA, 331(15), 1279-1286. DOI: 10.1001/jama.2024.0762

 


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