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Associations Between Teachers' Autonomic Dysfunction and Voice Complaints.

Ricardo Cardoso1, Rute F Meneses2, José Lumini-Oliveira3

  • 1Fernando Pessoa University, Porto, Portugal; Transdisciplinary Center of Consciousness Studies of Fernando Pessoa University, Porto, Portugal; FP-B2S - Behaviour and Social Sciences Research Center of Fernando Pessoa University, Porto, Portugal.

Journal of Voice : Official Journal of the Voice Foundation
|April 30, 2020
PubMed
Summary

Teachers with voice complaints exhibit poorer autonomic nervous system function, indicated by lower heart rate variability (RMSSD and pNN50). They also report more voice-related neurovegetative symptoms like fatigue and neck pain.

Keywords:
Autonomic dysfunctionAutonomic nervous systemTeachersVoice complaintsVoice disorders

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Area of Science:

  • Vocal Health Research
  • Autonomic Nervous System Function
  • Occupational Health

Background:

  • Teachers are at high risk for voice disorders.
  • Autonomic nervous system (ANS) dysfunction may contribute to voice complaints.

Purpose of the Study:

  • To investigate differences in ANS function and voice parameters between teachers with and without voice complaints.

Main Methods:

  • Cross-sectional study involving 24 teachers.
  • Assessed autonomic function via heart rate variability (HRV).
  • Evaluated voice using auditory-perceptual, acoustic, and aerodynamic analyses.

Main Results:

  • Teachers with voice complaints (VCG) showed significantly higher auditory-perceptual scores for Grade and Roughness.
  • VCG exhibited lower heart rate variability (RMSSD and pNN50) compared to teachers without voice complaints (WVCG).
  • VCG reported increased voice-related neurovegetative symptoms, including nasal obstruction, neck pain, and vocal fatigability.

Conclusions:

  • Teachers experiencing voice complaints demonstrate impaired autonomic nervous system function.
  • Voice complaints in teachers are associated with a higher prevalence of specific neurovegetative symptoms directly impacting voice production.