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Hearing

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.

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Tablet Audiometry in Canada's North: A Portable and Efficient Method for Hearing Screening.

Ryan Rourke¹, David Chan Chun Kong², Matthew Bromwich³

¹Children's Hospital of Eastern Ontario, Ottawa, Canada.

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|April 28, 2016

Summary

Portable tablet audiometry identified hearing loss in 14.8% of children in remote Canadian schools. This efficient, language-independent hearing test improves access to diagnostics for underserved populations.

Keywords:

ShoeBOX audiometry digital health hearing loss hearing test hearing testing mHealth population based portable audiometer prevalence remote rural screening audiometry tablet audiometry

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Area of Science:

Audiology
Public Health
Pediatrics

Background:

Limited access to hearing healthcare globally hinders timely diagnosis and treatment.
Portable audiometry offers a solution to improve diagnostic access for marginalized communities.
Remote areas often lack essential audiology services, necessitating innovative approaches.

Purpose of the Study:

To determine the prevalence of hearing loss in children aged 4-11 in Iqaluit, Nunavut.
To evaluate a tablet audiometer as a portable diagnostic tool in a remote setting.
To assess the efficiency and applicability of tablet audiometry in underserved populations.

Main Methods:

A prospective, cross-sectional observational study was conducted in remote elementary schools.
Tablet audiometers were used to test hearing thresholds in 218 children.
Pure tone air conduction thresholds were measured; participants with hearing loss (≥30 dB) were referred.

Main Results:

Tablet audiometry screening revealed abnormal results in 14.8% of participants.
No significant sex-based difference in hearing loss rates was observed.
Hearing loss prevalence decreased significantly with increasing age, with a median test duration of 5 minutes 30 seconds.

Conclusions:

14.8% of the study population tested positive for hearing loss using the tablet audiometer.
The tablet audiometer proved time-efficient and largely language-independent in this remote setting.
This portable hearing testing method is valuable for high-risk populations in areas with limited audiology services.