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High-frequency hearing loss among mobile phone users.

P Velayutham¹, Gopala Krishnan Govindasamy¹, R Raman¹

¹Department of Otorhinolaryngology and Head and Neck Surgery, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India

|February 18, 2014

Summary

Prolonged mobile phone use is linked to high-frequency hearing loss. This study found significant hearing loss in the dominant ear, the one typically used for calls, compared to the non-dominant ear.

Keywords:

Dominant ear Electromagnetic radiation High frequency hearing loss Mobile phones

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Area of Science:

Audiology
Otoacoustic Emissions
Neuroscience

Background:

Mobile phone usage is pervasive globally.
Concerns exist regarding potential health effects of prolonged mobile phone exposure, including auditory health.
High-frequency hearing loss (HFHL) can impact communication and quality of life.

Purpose of the Study:

To investigate high-frequency hearing loss (above 8 kHz) in prolonged mobile phone users.
To compare hearing sensitivity between the dominant and non-dominant ears in relation to mobile phone usage patterns.

Main Methods:

Prospective, single-blinded study involving 100 participants (53% male, 47% female, mean age 27).
Utilized high-frequency audiometry to assess hearing thresholds above 8 kHz.
Compared audiometric measurements between the dominant (phone-holding) and non-dominant ears due to difficulty finding a non-user control group.

Main Results:

A statistically significant difference (P < 0.05) in hearing loss was observed between the dominant and non-dominant ears.
Chronic mobile phone use was associated with higher-frequency hearing loss in the dominant ear compared to the non-dominant ear.

Conclusions:

Prolonged mobile phone usage may contribute to high-frequency hearing loss in the ear predominantly used for calls.
High-frequency audiometry is a valuable tool for detecting subtle hearing changes associated with environmental factors.