Office-based endoscopic botulinum toxin injection in laryngeal movement disorders

Publication date: Available online 13 April 2018
Source:European Annals of Otorhinolaryngology, Head and Neck Diseases
Author(s): A. Kaderbay, C.A. Righini, P.F. Castellanos, I. Atallah
IntroductionBotulinum toxin injection is widely used for the treatment of laryngeal movement disorders. Electromyography-guided percutaneous injection is the technique most commonly used to perform intralaryngeal botulinum toxin injection.ObjectiveWe describe an endoscopic approach for intralaryngeal botulinum toxin injection under local anaesthesia without using electromyography.TechniqueA flexible video-endoscope with an operating channel is used. After local anaesthesia of the larynx by instillation of lidocaine, a flexible needle is inserted into the operating channel in order to inject the desired dose of botulinum toxin into the vocal and/or vestibular folds.ConclusionEndoscopic botulinum toxin injection under local anaesthesia is a reliable technique for the treatment of laryngeal movement disorders. It can be performed by any laryngologist without the need for electromyography. It is easy to perform for the operator and comfortable for the patient.



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