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KMID : 0361020200630020059
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Korean Journal of Otolaryngology - Head and Neck Surgery
2020 Volume.63 No. 2 p.59 ~ p.63
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Noise Induced Hearing Loss in Ground Handling Workers at Juanda Airport Surabaya
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Novastuti Citra Dwi
Affianti Nugraenny
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Abstract
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Background and Objectives: The airport ground handling workers are most vulnerable to noise exposure from the sound of aircraft engines that are quite loud and, if exposed continuously, they may experience hearing loss. This study describes the profile of noise induced hearing loss in ground handling workers at Juanda Airport Surabaya.
Subjects and Method: The descriptive cross sectional approach is employed, and the noise level in the work environment is measured by airport apron, physical ear examination, distortion product otoacoustic emission (DPOAE) and pure tone audiometry, which were conducted for 89 ground handling workers at the airport.
Results: The age range that experienced hearing loss the most is 50-59 years (19.10%). The male: female ratio of subjects who experienced hearing loss was 50%:53.24%. The highest percentage of subjects with hearing loss was found in the Area II (export-import cargo) with 68%. Workers who experience hearing loss the most have been working for 17-21 years (76%). The ratio of hearing loss between continuous users of ear protectors and occasional or non-users of protectors was 22.47%:30.34%. Of the 89 total research subjects, 47 were found with hearing based on the DPOAE refer results; of these subjects, 30 (33.7%) experienced hearing loss due to noise (NIHL), 9 suffered in the right ear (10.11%), 9 in the left ear (10.11%) and 12 in both ears (13.48%).
Conclusion: Based on the DPOAE results, 52.81% of the ground handling workers at Juanda airport Surabaya were found with hearing loss; of these workers, 33.7% workers experienced NIHL with 10.11% observed in each ear and 13.48% in both ears.
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KEYWORD
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Hearing loss, Noise-induced, Occupational
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