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Related Experiment Videos

Human laryngeal reinnervation

H M Tucker

    The Laryngoscope
    |June 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel nerve-muscle pedicle technique for vocal cord paralysis, offering improved airway and voice without tracheotomy. The procedure successfully restored vocal cord function in five patients.

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    Area of Science:

    • Otolaryngology
    • Neurosurgery
    • Regenerative Medicine

    Background:

    • Bilateral vocal cord paralysis presents a difficult choice between airway and voice quality.
    • Existing treatments often necessitate a permanent tracheotomy or result in a weak voice.
    • The incidence of vocal cord paralysis due to neck trauma is rising.

    Purpose of the Study:

    • To develop a new surgical technique for vocal cord reinnervation.
    • To overcome the limitations of traditional nerve anastomosis procedures.
    • To improve airway and voice outcomes for patients with bilateral vocal cord paralysis.

    Main Methods:

    • A nerve-muscle pedicle technique was developed, utilizing the ansa hypoglossi nerve branch.
    • The pedicle was surgically attached to the posterior cricoarytenoid muscle.

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  • The procedure was performed on five patients following extensive preliminary work in dogs.

    • Main Results:

    • Spontaneous abduction of the reinnervated vocal cord occurred within 6–8 weeks post-surgery.
    • No patient experienced voice weakening or aspiration issues.
    • All patients achieved adequate airway for daily activities without requiring a tracheotomy.

    Conclusions:

    • The nerve-muscle pedicle technique offers a viable solution for bilateral vocal cord paralysis.
    • This method provides both adequate airway and satisfactory voice quality.
    • Further research into the physiologic and histologic aspects of this technique is warranted.