Abstract
Background
In-office laryngological procedures became common alternatives to general anesthesia for biopsies, injection laryngoplasties, and laser procedures. The limiting step remains the laryngeal anesthesia whose quality can influence patients’ and operators’ comfort.
Methods
We propose to dye the lidocaine with methylene blue and do an instillation through a catheter introduced in the video-endoscope’s operating channel, which permits a progressive anesthesia focused on the larynx, avoiding an unwanted pharyngeal anesthesia and any tracheal irritation.
Conclusion
Using blue-dyed lidocaine can help reduce the volume of anesthesia required for an office-based laryngology intervention, improving patients’ and surgeon’s comfort and reducing anesthesia’s side effects.
Graphical Abstract
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Data availability
Further data that support this technique are available from the corresponding author upon request.
References
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Supplementary Instillation of blue-dyed lidocaine first in the vallecula and on the tip of the epiglottis then on the aryepiglottic folds and progressively on the vocal folds. file1 (MP4 81955 KB)
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Haddad, R., Mattei, A. & Giovanni, A. Local anesthesia with blue-dyed lidocaine for a better patient’s tolerance during office-based laryngology procedures: how I do it. Eur Arch Otorhinolaryngol 280, 5139–5141 (2023). https://doi.org/10.1007/s00405-023-08146-y
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DOI: https://doi.org/10.1007/s00405-023-08146-y