![]() ![]() inject 1% lidocaine bilateral to block the GPN. ![]() 10% oral Xylocaine spray 100 mgas single sprays bilateral to soft palate, posterior oropharygneal wall, palatopharyngea ach and BOT with two sprays to vallecula (10 sprays total).swish and gargle 15 ml of 2% viscous lidocaine for two minutes then expectorate.Randomized single-blinded cross-over desing (N=11) volunterers subjected to all three approaches: gargle alone (2% visocus lidocaine) gargle and spray (10% lidocaine spray) and gargle followed bilateral GPN blocks.Described as useful for neuralgia, abolishing gag reflex for surgery or endodontics, managing postoperative pain after tonsillectomyĪs per Sitzman (1997) study of awake direct laryngoscopy - various approaches to glossopharyngeal nerve block - topical vs injectinon - concluded the gargle and 10% spray preferred to GPN block by injection.Listed as potentially being associated with 'lasting oropharyngeal discomfort' (Sitzman 1997).5 mL of local anesthetic using a 22- or 25- gauge spinal needle after the tongue is displaced int anteroinferior direction.Administer topical anesthesia to oropharynx.Intraoral Glossopharyngeal Nerve Block (GPN block) - each injection technique emphasizes aspiration before injection to avoid intravascular injection with additional potential for hematoma and ecchymosis Bilateral peristyloid GPN blocks considered a risk to develop bilateral vagal nerve paralysisī. ![]()
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