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Hyperangulated Video Laryngoscopy Beneficial for Achieving Intubation

Medically reviewed by Carmen Pope, BPharm. Last updated on April 3, 2024.

By Elana Gotkine HealthDay Reporter

WEDNESDAY, April 3, 2024 -- For patients who require single-lumen endotracheal intubation for general anesthesia, hyperangulated video laryngoscopy reduces the number of attempts needed to achieve intubation, according to a study published online March 18 in the Journal of the American Medical Association.

Kurt Ruetzler, M.D., from the Cleveland Clinic, and colleagues examined whether the number of intubation attempts per surgical procedure is lower when initial laryngoscopy is performed using video laryngoscopy or direct laryngoscopy in a cluster randomized, crossover clinical trial. Participants were adults undergoing elective or emergent cardiac, thoracic, or vascular surgical procedures who required single-lumen endotracheal intubation for general anesthesia. Two sets of 11 operating rooms were randomized on a one-week basis to perform hyperangulated video laryngoscopy or direct laryngoscopy for the initial attempt at intubation. Data were included for 8,429 surgical procedures in 7,736 patients.

Overall, 1.7 and 7.6 percent of the 4,413 surgical procedures randomized to receive video laryngoscopy and the 4,016 procedures randomized to receive direct laryngoscopy, respectively, required more than one intubation attempt, with an estimated proportional odds ratio of 0.20 for the number of intubation attempts. The researchers found that intubation failure occurred in 0.27 and 4.0 percent of surgical procedures using video laryngoscopy and direct laryngoscopy, respectively (relative risk, 0.06), with an unadjusted absolute risk difference of −3.7 percent. No significant difference was seen in airway and dental injuries between the groups.

"Results suggest that video laryngoscopy may be a preferable approach for intubating patients undergoing surgical procedures," the authors write.

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Disclaimer: Statistical data in medical articles provide general trends and do not pertain to individuals. Individual factors can vary greatly. Always seek personalized medical advice for individual healthcare decisions.

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Posted April 2024

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