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Related Experiment Videos

Phonatory characteristics associated with bilateral diffuse polypoid degeneration.

S Bennett, S Bishop, S M Lumpkin

    The Laryngoscope
    |April 1, 1987
    PubMed
    Summary
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    Bilateral diffuse polypoid degeneration significantly lowers speaking fundamental frequency (SFF) and alters phonational range in patients. The upper vocal pitch limit is profoundly affected by these vocal fold changes.

    Area of Science:

    • Laryngology
    • Speech and Hearing Sciences
    • Vocal Fold Pathology

    Background:

    • Bilateral diffuse polypoid degeneration is a condition affecting the vocal folds.
    • Understanding its impact on voice production is crucial for diagnosis and treatment.

    Purpose of the Study:

    • To characterize the speaking fundamental frequency (SFF) and phonational range in patients with bilateral diffuse polypoid degeneration.
    • To compare these acoustic parameters with normal values and other laryngeal pathologies.

    Main Methods:

    • Acoustic analysis of voice recordings from 35 patients with bilateral diffuse polypoid degeneration.
    • Measurement of speaking fundamental frequency (SFF) and phonational range (pitch range).

    Main Results:

    Related Experiment Videos

    • Patients exhibited substantially lower average SFF compared to normal values.
    • Phonational ranges were significantly different from normal, with profound alterations in the upper vocal pitch limit.
    • SFF values were lower than those typically seen in many other laryngeal conditions.

    Conclusions:

    • Bilateral diffuse polypoid degeneration markedly affects vocal fold mechanics, leading to reduced SFF and altered pitch range.
    • The morphologic changes associated with polypoid degeneration have a significant impact on the upper limits of vocal capability.