Botulinum Toxin Injections to Cricothyroid Muscles for Relief of Bilateral Recurrent Laryngeal Nerve Paralysis

Botulinum Toxin Injections to Cricothyroid Muscles for Relief of Bilateral Recurrent Laryngeal Nerve Paralysis

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Objectives:Investigation of botulinum toxin use to relieve obstruction of the airway from bilateral abductor paralysis in humans.Study Design:Prospective preliminary clinical study.The study included a patient in which EMG demonstrated bilateral recurrent laryngeal nerve paralysis and normal neuronal activity of both cricothyroid muscles.Materials and Methods:Injection of botulinum toxin to both cricothyroid muscles were performed under electromyograpic guidance Conditioner by using a percutaneous approach.

The angles of the cords using the anterior commissure as the center were measured in three positions; resting, maximum abduction, and adduction before and after injection using a goniometer confirmed with computer program.Conclusion:Botulinum toxin Mirror could relieve the devastating effects of bilateral recurrent laryngeal nerve paralysis.Conclusion: Botulinum toxin could relieve the devastating effects of bilateral recurrent laryngeal nerve paralysis.