Topical Anesthesia for Endoscopic Office-based Procedures of the Upper Aerodigestive Tract

Journal of Voice : Official Journal of the Voice Foundation
David J WellensteinGuido B van den Broek

Abstract

Over the last two decades, an increase in office-based procedures under topical anesthesia in laryngology and head and neck oncology has occurred. Adequate anesthesia in the nasal cavity, pharynx, and larynx is essential for successful performance of these procedures. Our goal is to provide an objective summary on the available local anesthetics, methods of application, local secondary effects, efficacy, and complications. A descriptive review of literature on topical anesthesia for office-based procedures in laryngology and head and neck oncology was performed. Lidocaine is the most applied and investigated topical anesthetic. Topical anesthesia results in decreased sensory function without impairing motor function of the pharynx and larynx. For the nasal cavity, cotton pledgets soaked in anesthetic spray and decongestant, or anesthetic gel, are effective. For the pharynx, anesthetic spray is the most frequently used and effective method. For the larynx, applying local anesthesia through a catheter through the working channel of the endoscope or anesthetic injection through the cricothyroid membrane is effective. Studies comparing the most effective application methods for each anatomical site are lacking. Complications of top...Continue Reading

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Citations

Feb 27, 2019·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·David J WellensteinGuido B van den Broek
Jun 23, 2020·Journal of Investigative Surgery : the Official Journal of the Academy of Surgical Research·Christina M Parducci, Jason E Cohn
Feb 27, 2021·Frontiers in Oncology·Daphne A J J DriessenJohannes H A M Kaanders
Jul 2, 2021·HNO·Jörg E Bohlender

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