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Laryngeal Botulinum Toxin Injection: Can It Be a Cause of Obstructive Sleep Apnea as an Adverse Effect? | LitMetric

Spasmodic dysphonia is a chronic voice disorder that is characterized by involuntary spasms of the laryngeal muscles during speech production. Botulinum toxin injection into to the laryngeal muscles is the most common and effective treatment of choice for symptoms of spasmodic dysphonia. We present a 44-year-old man with adductor spasmodic dysphonia who was diagnosed as having upper airway obstruction in a polysomnographic examination during sleep after a botulinum toxin injection.

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http://dx.doi.org/10.1016/j.jvoice.2020.04.034DOI Listing

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