Abstract
IntroductionNoise or noise pollution is a phenomenon that causes an auditory sensation considered unpleasant, undesirable, and annoying, which may present a danger to health in general and the auditory system in particular. The objective of this study was to evaluate the impact of noise pollution among workers in a brewery in the city of Conakry.Patient and methodsThis is a prospective descriptive study, of two months' duration (November 11, 2019, to January 10, 2020) carried out in the industrial unit of the Limited Company of Breweries of Guinea (SOBRAGUI). We included all the workers of the company exposed to noise pollution in their workplaces, after their informed consent.ResultsThe age of the workers varied between 22 and 70 years, with a mean age of 44.14 ± 8.07 years. We noted a male predominance of 99.22% (n=128) cases. The average duration of exposure was 14.28 ± 6.78 years, with variations ranging from one year to 35 years. Among the auditory disorders, we noted tinnitus in 63.8% (n=74), hypoacusis in 56.9% (n=66), and auditory fatigue in 52.6% (n=61) of cases. These signs were often associated with each other and with other extra-auditory symptoms in the same worker. Audiometry revealed a moderate to severe hearing loss in 13.8% (n=16) and profound deafness in 0.9% (n=1) of cases. The impact of noise pollution on workers' performance was reflected in concentration difficulties in 57.7% (n=67) of cases.ConclusionNoise pollution is present in the SOBRAGUI bottling line. It has a negative impact on the health of workers and alters their work performance.
Highlights
Noise or noise pollution is a phenomenon that causes an auditory sensation considered unpleasant, undesirable, and annoying, which may present a danger to health in general and the auditory system in particular
The impact of noise pollution on workers' performance was reflected in concentration difficulties in 57.7% (n=67) of cases
It is estimated that 80% of people with occupational hearing loss live in low- and middle-income countries and that almost half of the industrial workforce is exposed to hazardous occupational noise
Summary
Noise or noise pollution is a phenomenon that causes an auditory sensation considered unpleasant, undesirable, and annoying, which may present a danger to health in general and the auditory system in particular. The objective of this study was to evaluate the impact of noise pollution among workers in a brewery in the city of Conakry. This is a prospective descriptive study, of two months' duration (November 11, 2019, to January 10, 2020) carried out in the industrial unit of the Limited Company of Breweries of Guinea (SOBRAGUI). We included all the workers of the company exposed to noise pollution in their workplaces, after their informed consent
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