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Marshall E. Smith, MD; Albert H. Park, MD; Harlan R. Muntz, MD; Steven D. Gray, MD

Arch Otolaryngol Head Neck Surg. 2007;133(6):610-612.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

INTRODUCTION

Botulinum toxin has a variety of therapeutic uses. In the larynx, it has mainly been used to treat the voice disorder known as spasmodic dysphonia. It has also been used to treat some patients with laryngeal disorders affecting breathing.^1-3 These patients were generally found to have excessive laryngeal adduction during respiration.

Children frequently develop airway problems due to impaired vocal fold mobility. They are usually labeled as having bilateral vocal fold paresis or paralysis. It is difficult to document the cause of these disorders with laryngeal electromyography.⁴ We hypothesized that some of these children may have inappropriate synchrony of abductor and adductor laryngeal motor control due to either central dysfunction or peripheral nerve injury. This has also been termed laryngeal synkinesis.⁵ We tested this hypothesis by selectively injecting the thyroarytenoid muscles to weaken . . . [Full Text of this Article]

METHODS

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COMMENT

AUTHOR INFORMATION


Author Affiliations: Division of Otolaryngology/Head and Neck Surgery, Primary Children's Medical Center, University of Utah School of Medicine, Salt Lake City.
Deceased.

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