Awake Steroid Injection for Idiopathic Subglottic Stenosis

Contributor: Michael Johns III, MD This video demonstrates a steroid injection in an awake patient for the treatment of idiopathic subglottic stenosis. The patient is first anesthetized with topical 2% lidocaine over the larynx and 1% lidocaine with epinephrine percutaneously over the cricoid cartilage. An endoscope is passed transnasally and positioned just below the vocal […]

Treatment of Adult Idiopathic Subglottic Stenosis with CO2 Laser and Balloon Dilation

Contributors: Michael M. Johns III and  Benjamin Anthony The patient is a 53 year-old female with history of idiopathic subglottic stenosis and long-standing right vocal fold scarring who had previously been treated endoscopically in the operating room and in the office with steroid injections. She returns to the operating room for scheduled endoscopic CO2 laser treatment, […]

EMG Guided Botulinum Toxin Injection for Adductor Spasmodic Dysphonia

Contributors: Christian Lava, Hagit Shoffel-havakuk, and Michael M Johns Iii Adductor spasmodic dysphonia is the most common form of laryngeal dystonia, causing inappropriate glottic closure and strangled choppy voice. This video demonstrates step by step, the standard treatment for adductor spasmodic dysphonia: bilateral, EMG-guided, percutaneous botulinum toxin injections to the TA-LCA (thyroarytenoid and lateral cricoarytenoid) muscles.

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