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Related Experiment Videos

Altered laryngeal function following thyroidectomy.

R G Williams1, T H Lesser, M Foster

  • 1Department of Otolaryngology, Royal Gwent Hospital, Newport, UK.

Clinical Otolaryngology and Allied Sciences
|August 1, 1989
PubMed
Summary
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Thyroidectomy surgery can cause voice changes due to recurrent laryngeal nerve damage. A laryngograph study identified specific vocal fold movement abnormalities in thyroidectomy patients, distinguishing them from other surgical groups.

Area of Science:

  • Otolaryngology
  • Speech Science
  • Surgical Outcomes

Background:

  • Thyroidectomy is a common surgical procedure.
  • Voice changes, including hoarseness, can occur post-thyroidectomy.
  • Recurrent laryngeal nerve (RLN) damage is a known complication affecting vocal fold function.

Purpose of the Study:

  • To investigate and compare voice changes in patients following thyroidectomy.
  • To identify objective acoustic markers of vocal fold dysfunction after thyroidectomy.
  • To differentiate voice changes specific to thyroidectomy from those in other surgical patient groups.

Main Methods:

  • Utilized a laryngograph to record and analyze voice parameters.
  • Compared voice data from 11 thyroidectomy patients with 14 healthy controls.

Related Experiment Videos

  • Analyzed frequency histograms and the spread of their distribution.

    • Main Results:

    • Observed distinct voice changes in thyroidectomy patients compared to controls.
    • Identified abnormal vocal fold movements indicative of recurrent laryngeal nerve damage.
    • Demonstrated unique vocal changes in thyroidectomy patients not seen in patients undergoing other surgeries.

    Conclusions:

    • Laryngographic analysis can detect vocal fold abnormalities post-thyroidectomy.
    • The observed voice changes are potentially linked to recurrent laryngeal nerve injury.
    • This method may help distinguish thyroidectomy-specific vocal changes, possibly due to external laryngeal nerve damage.