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Auditory characteristics of noise-exposed memberscrossing age-related groups.


ABSTRACT: Objective:To report audiological characteristics in a group of noise-exposed crew members on board ships. Methods and materials:Clinical and audiological measurements including pure-tone thresholds, acoustic immittance results and tinnitus questionnaires were collected from both the ship crew members (study subjects) and their land based colleagues (controls). Results:1) Noise exposed crew members showed not only high frequency, but also low frequency hearing loss; 2) Hearing impairment increased with age, with 65.5% of crew members younger than 50 years showing normal hearing while only 14.9% of those older than 50 years had normal hearing; 3) hearing loss gradually increased with the extension of on board career time; and 4) Most study subjects reported high pitch tinnitus, significantly more than the control group although not significantly different among different age groups. Conclusion:Noise induced hearing impairment from working on board ships shows specific frequency and age characteristics. Understanding these characteristics is important for advancing relevant studies and for effective prevention of noise-induced hearing loss in ship crew members.

SUBMITTER: Chenqing L 

PROVIDER: S-EPMC6291637 | biostudies-literature | 2018 Jun

REPOSITORIES: biostudies-literature

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Auditory characteristics of noise-exposed memberscrossing age-related groups.

Chenqing Liu L   Daxiong Ding D   Yuhua Zhu Z   Hongyang Wang W   Xiaoting Cheng C   Zhenhua Zhao Z   Juyang Cao C   Suoqiang Zhai Z   Ning Yu Y  

Journal of otology 20180523 2


<h4>Objective</h4>To report audiological characteristics in a group of noise-exposed crew members on board ships.<h4>Methods and materials</h4>Clinical and audiological measurements including pure-tone thresholds, acoustic immittance results and tinnitus questionnaires were collected from both the ship crew members (study subjects) and their land based colleagues (controls).<h4>Results</h4>1) Noise exposed crew members showed not only high frequency, but also low frequency hearing loss; 2) Heari  ...[more]

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