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Related Experiment Videos

Experience with vocal cord injection

R B Lewy

    The Annals of Otology, Rhinology, and Laryngology
    |July 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Vocal cord injection with Teflon-glycerin or sterile glycerin has restored voice and swallowing function in paralyzed vocal cords for 14 years. This technique also improves cough effectiveness, potentially reducing the need for tracheotomy.

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    Area of Science:

    • Otolaryngology
    • Speech-Language Pathology
    • Biomedical Engineering

    Background:

    • Vocal cord paralysis can lead to voice impairment, aspiration, and reduced cough effectiveness.
    • Existing treatments for vocal cord paralysis have limitations.
    • Injectable materials have been explored to improve vocal cord function.

    Purpose of the Study:

    • To summarize the long-term outcomes of Teflon-glycerin injections for vocal cord paralysis.
    • To introduce a new technique using sterile glycerin for acute vocal cord dysfunction.
    • To evaluate the effectiveness of these injection methods in restoring voice, swallowing, and cough.

    Main Methods:

    • Review of a 14-year series of vocal cord injections using a Teflon-glycerin mixture by FDA-accredited investigators.

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  • Description of a novel surgical technique involving direct or indirect laryngoscopy for sterile glycerin injection in acute cases.
  • Assessment of functional outcomes including voice quality, ability to strain, aspiration prevention, and cough effectiveness.

    • Main Results:

    • Successful restoration of voice, laughter, and the ability to strain in patients with paralyzed vocal cords.
    • Prevention of aspiration was achieved in a significant number of cases.
    • The new sterile glycerin injection technique demonstrated immediate improvement in cough effectiveness, potentially obviating the need for tracheotomy.

    Conclusions:

    • Vocal cord injection with Teflon-glycerin is an exceptionally useful and effective long-term treatment for vocal cord paralysis.
    • Sterile glycerin injection represents a promising new approach for acute vocal cord dysfunction, offering immediate functional benefits.
    • These injection techniques provide significant functional improvements, enhancing quality of life and potentially reducing the need for surgical interventions like tracheotomy.