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|Title:||Does diving affect the hearing of asian military divers? A study in the republic of singapore navy||Authors:||Chng, M.J.
|Issue Date:||Jan-2014||Citation:||Chng, M.J.,Chan, G.,Tang, K.C. (2014-01). Does diving affect the hearing of asian military divers? A study in the republic of singapore navy. Undersea and Hyperbaric Medicine 41 (1) : 41-47. ScholarBank@NUS Repository.||Abstract:||Objective: This study examined whether military diving during a National Serviceman's two-year term of service affected his hearing threshold levels. Methods: A retrospective cohort study was designed to examine the hearing thresholds of divers (mean age 20.9 years) who enlisted between 2001 and 2010 (n = 748). Their pre-enlistment and pre-discharge audiograms were collected. All made dives using scuba dive sets, averaged 200 dives over two years and depths of 30 meters of sea water/msw or less. Results: The divers' hearing levels in the left ear were not affected except for a marginal decrease in hearing level at the 2kHz level. There was a marginal decrease in hearing level in 0.5, 1 and 2 kHz in the right ear. These changes are physiologically insignificant. There were more low-frequency (0.5, 1 and 2 kHz) changes compared to high-frequency (4 and 8 kHz) changes in both ears, with a larger number of changes noted in the right ear, as compared to the left. However, no diver had a hearing threshold increase greater than 20dB or exceeded the hearing threshold levels required of military divers. Conclusion: There was no decrease of clinical significance in hearing function of the Republic of Singapore Navy national serviceman naval divers after diving for two years. Copyright © 2014 Undersea & Hyperbaric Medical Society, Inc.||Source Title:||Undersea and Hyperbaric Medicine||URI:||http://scholarbank.nus.edu.sg/handle/10635/128695||ISSN:||10662936|
|Appears in Collections:||Staff Publications|
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