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[Indications for botulinum toxin in laryngectomy]
1Fondation A. de Rothschild, Service O.R.L., Paris, France.
Revue De Laryngologie - Otologie - Rhinologie
|January 1, 1993
Summary
Botulinum toxin injections effectively treat laryngeal dystonia, a rare neurological disorder affecting voice and breathing. This study shows an 87% success rate in patients with spasmodic dysphonia and inspiratory dyspnea.
Area of Science:
- Neurology
- Otolaryngology
- Pharmacology
Context:
- Laryngeal dystonia, including spasmodic dysphonia and inspiratory dyspnea, is a rare neurological condition affecting the thyroarytenoid muscles.
- Accurate diagnosis relies on laryngeal functional exploration, neurological assessment, and electrophysiological evaluation.
- Botulinum toxin has been utilized for focal muscle dystonias.
Purpose:
- To define laryngeal dystonia as a clinical entity.
- To present a therapeutic protocol using botulinum toxin injections for laryngeal dystonia.
- To evaluate the therapeutic outcomes of botulinum toxin in treating spasmodic dysphonia and inspiratory dyspnea.
Summary:
- This study details the diagnosis and treatment of 55 patients with laryngeal dystonia (48 spasmodic dysphonia, 7 inspiratory dyspnea) using local intramuscular botulinum toxin injections since 1989.
- The study outlines the therapeutic protocol and reports good results in 87% of cases.
- Different clinical types of spasmodic dysphonia (adductor, abductor, mixed) were identified and managed.
Impact:
- Botulinum toxin injections offer a highly effective treatment for laryngeal dystonia, significantly improving patient outcomes.
- The findings contribute to a better understanding and management of this rare neurological laryngeal disease.
- This research supports the use of botulinum toxin as a primary therapeutic option for spasmodic dysphonia and related conditions.