A study on videostroboscopic changes and voice analysis in professional voice users

Muniraju Munianjanappa; Chaithanya Munikrishna

doi:10.18203/issn.2454-5929.ijohns20250790

Authors

Muniraju Munianjanappa Department of Otorhinolaryngology, Dr. B.R. Ambedkar Medical College and Hospital, Bengaluru, Karnataka, India
Chaithanya Munikrishna Department of Otorhinolaryngology, Dr. B.R. Ambedkar Medical College and Hospital, Bengaluru, Karnataka, India

DOI:

https://doi.org/10.18203/issn.2454-5929.ijohns20250790

Keywords:

Professional voice users, Videostroboscopy, Voice handicap index

Abstract

Background: The primary source of sound used when speaking is the larynx. Phonation is the creation of sound via vibrating of vocal cords. Evaluation techniques that take into account the needs of professional singers are necessary to determine the state of their vocal health. Stroboscopy is a technique that uses fast light flashes at a frequency that is either slightly higher or lower than the patient's vocal cord vibrations to shift a series of still photographs such that the patient appears to be moving continuously. To determine the videostroboscopic changes and voice analysis in professional voice users.

Methods: This prospective study was carried out from July 2022 to December 2023 in the otorhinolaryngology department of a tertiary health care centre in Bengaluru, Karnataka. In all, thirty people made up the study. A thorough history and clinical examination were recorded using a pre-tested questionnaire after gaining everyone's agreement.

Results: Stroboscopy revealed that 80% of cases had no symmetry, 10% had no mucosal wave, 26.7% had inadequate glottic closure, 16.7% had irregular closure and 56.0% had no periodicity. 13.3% of people had a severe voice handicap index and there was a strong correlation (p<0.05) between the voice handicap index and occupation.

Conclusions: The study found that there was a strong correlation between the subjects' work and their voice handicap index. Though females are more prone for voice impairment, in my study males experienced more impairment.

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