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Voice Characteristics in Patients with Thyroid Disorders.

Lejla Junuzović-Žunić1, Amela Ibrahimagić1, Selma Altumbabić2

  • 1Department of Speech and Language Pathology and Audiology, School of Education and Rehabilitation, University of Tuzla, Tuzla, Bosnia and Herzegovina.

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Thyroid disorders like hypothyroidism and hyperthyroidism impact voice quality. Drug therapy improved acoustic measures for hypothyroidism, while both groups showed noticeable perceptual voice changes.

Keywords:
Hypothyroidismhyperthyroidismvoice

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Area of Science:

  • Endocrinology
  • Speech and Language Pathology

Background:

  • Thyroid gland disorders, including hypothyroidism and hyperthyroidism, can affect vocal function.
  • Assessing voice changes is crucial for understanding the impact of these endocrine conditions.

Purpose of the Study:

  • To investigate the acoustic and perceptual voice characteristics in patients with hypothyroidism and hyperthyroidism.
  • To evaluate the effects of drug therapy on voice parameters six months after diagnosis.

Main Methods:

  • Included 47 female outpatients diagnosed with hypothyroidism or hyperthyroidism.
  • Assessed acoustic, perceptual (using the GRBAS scale), and aerodynamic voice parameters before and after drug therapy.

Main Results:

  • Hypothyroidism patients showed significant changes in amplitude perturbation, jitter, and noise-to-harmonics ratio post-treatment.
  • Hyperthyroidism patients had significant changes in maximum phonation time; both groups exhibited notable perceptual voice deviations.

Conclusions:

  • Thyroid disease significantly affects voice quality.
  • While acoustic changes may be minor, perceptual voice deviations are prominent in patients with hypothyroidism and hyperthyroidism, even after treatment.