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KMID : 0371019970300010061
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Journal of Preventive Medicine and Public Health
1997 Volume.30 No. 1 p.61 ~ p.68
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Effects of Organic Solvents on Hearing in Video Tape Manufacturing Workers
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Shin Hea-Ryeon
Lee Jong-Young
Woo Kuck-Hyeun
Kim Jin-Seok
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Abstract
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This study was performed to evaluate the effects on hearing of Video tape manufacturing workers exposed to organic solvents. The experimental groups included solvents exposed group 51 and unexposed group 57 workers. All workers was examined air and bone conduction sensitivity by pure tone audiometer. The mean age of solvents exposed group was 34.1 and nonexposed group was 35.8. The man duration of solvents exposed group was 7.3years. High frequency hearing loss ´prevalence of both groups was 23.5 % in the group exposed to organic solvents and 17.5 % in nonexposed group. There is no statistical significants in the prevalence of high frequency hearing loss. According to comparison of mean auditory threshold value by frequencies, on the air conduction test, right was statistically significant in the 250, 500, 1000, 2000, 4000Hz, except 8000Hz. Left 250, 500, 1000Hz was statistically significant. On the bone conduction test, left 250, both 500, 1000, 2000, 4000Hz, except right 250Hz, was statistically significant difference. Generally, auditory sensitivity threshold of the exposed group was higher than the nonexposed group.
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KEYWORD
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Video tape manufactoring industry, Organic solvents, Pure tone audiometry
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