Cricothyroid Muscle Botulinum Toxin Chemodenervation to Treat Recalcitrant High-Pitched Functional Dysphonia in an Adult Male.

Authors :: Ziltzer RS
van der Woerd B
Sund LT
Johns MM 3rd
Source :: Journal of voice : official journal of the Voice Foundation [J Voice] 2022 Jul 15. Date of Electronic Publication: 2022 Jul 15.
Publication Year :: 2022
Publisher :: Ahead of Print
Abstract: Introduction: Functional dysphonia occurs in the absence of structural or neurologic laryngeal abnormalities with various manifestations including aphonia and inappropriate vocal pitch. Voice therapy is the first-line treatment, and literature on treatment options for functional dysphonia unresponsive to voice therapy is limited.<br />Methods: Retrospective medical records review and report of a case.<br />Results: We report a unique case of an adult male with recalcitrant high-pitched functional dysphonia of adult-onset that was successfully treated with a single cricothyroid muscle botulinum toxin (Botox) chemodenervation injection.<br />Conclusion: Cricothyroid muscle botulinum toxin chemodenervation can be an effective treatment for recalcitrant functional dysphonia.<br /> (Copyright © 2022 The Voice Foundation. Published by Elsevier Inc. All rights reserved.)

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