Prevalence of occupational noise induced hearing loss in industrial workers

Ranga, Rupender K; Yadav, Sps; Yadav, Ankush; Yadav, Neha; Ranga, Saroj Bala

doi:10.4103/0971-7749.136848

Cited by 22 publications

(16 citation statements)

References 12 publications

(19 reference statements)

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“…Moreover, binaural HI was significantly associated with the noise pressure level. Although some studies have revealed that variables, such as non-occupational noise exposure, medical condition, and type of industry have no independent association with hearing loss (35), some have reported results in line with the present study (43,44). In addition, smoking and alcohol use have been shown to affect hearing ability (12).…”

Section: Discussionsupporting

confidence: 80%

Occupational Noise Exposure and Hearing Impairment among Spinning Workers in Iran

Saberi

Ghasemi

2017

Iran Red Crescent Med J

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Background: Hearing impairment (HI), resulting from noise exposure, can be incapacitating and irreversible. Objectives: The present study aimed to determine the relationship between noise exposure and HI among workers and employees in a spinning industry. Methods: This cross sectional study was conducted on 489 workers in a spinning industry in Iran during 2015. The census method was applied for the purpose of sampling. The hearing threshold of each ear was determined during work shifts, using Madsen audiometric device. HI was calculated, based on the guidelines by the American Medical Association (AMA). The effects of different variables on HI were assessed via regression analysis.

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Section: Discussionsupporting

confidence: 80%

Occupational Noise Exposure and Hearing Impairment among Spinning Workers in Iran

Saberi

Ghasemi

2017

Iran Red Crescent Med J

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“…Chronic exposure to noise in industrial workers that affect bilateral cochlea causes high-frequency sensori neural hearing loss (SNHL) with 4000 Hz notch (2). Further, they observed that around 39% of industrial workers who were exposed to noise levels > 87.3 dB (A), for 8-12 hours per day suffered from SNHL (3).…”

Section: Introductionmentioning

confidence: 99%

Narrow-band chirp and tone burst auditory brainstem response as an early indicator of synaptopathy in industrial workers exposed to occupational noise

Megha¹,

Divyashree²,

Lakshmi³

et al. 2019

IRDR

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This study aims at characterizing and comparing the findings of auditory brainstem response (ABR) using narrow-band chirp (NB-chirp) and tone burst (TB) for both latency and amplitude parameters among those exposed to occupational noise and to determine which among the two serves as a better indicator of noise-induced cochlear neuropathy. Forty adult males in the age range of 20-35 years were considered, wherein 20 of them were exposed to noise > 80 dB (A) for 8 hours per day constituting Noise-exposed group; and Control group consisted of 20 individuals without occupational noise exposure. ABR was recorded using NB-chirp and TB for four frequencies at 80 dB nHL through Etymotic Research-3A (ER-3A) Insert phones using Interacoustics Eclipse EP-25 in individuals with and without noise exposure. MANOVA was performed to compare between TB ABR and NB-chirp ABR between the two groups. Statistical analysis revealed a notable difference for NB-chirp comparisons between the two groups at three frequencies: 500 Hz, F(1, 38) = 10.6; 1000 Hz, F(1, 38) = 7.91; and 2000 Hz, F(1, 38) = 6.64. Whereas, the difference was evident at only 500 Hz: F(1, 38) = 4.98 in case of TB ABR. However, there was no significant difference seen at any of the frequencies for amplitude parameters in both TB and NB-chirp ABR. Latency of wave V using NB-chirp was considered to be a better indicator compared to TB, acting as a better clinical tool in early identification, diagnosis, and monitoring of noise induced hearing loss (NIHL).

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“…4 A similar high prevalence (87%) of reported hearing loss was shown among shopkeepers exposed to traffic noise in Jalgoan city centre by Ingle et al 5 Another study among industrial workers showed a 39% prevalence of sensory neural hearing loss in workers exposed to noise levels above 87.3 dBA. 6 The health effects of noise shos an increasing incidence in increasing age groups. Rosenhall shows the increasing trend of hearing loss and tinnitus among older persons exposed to noise which is a similar observation to our study.…”

Section: Discussionmentioning

confidence: 99%

Auditory and non-auditory health effects of noise exposure among people working near traffic junctions in Mysuru city, Karnataka

Kumar

Thomas

Prakash

et al. 2020

Int J Community Med Public Health

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Background: To assess the prevalence of health effects of noise exposure and the factors associated with it among people occupationally exposed to traffic noise in Mysuru city in Karnataka.Methods: A community based crossectional study was conducted for two months in Mysuru city in Karnataka. The sample size was calculated to be 280 and study participants were recruited from 70 selected locations in the city including all major traffic junctions with signal or traffic police control, covering all regions in the city. Four samples were assessed from each location by history taking and the ambient sound level was recorded from each location using a sound level meter. Data were entered in microsoft excel and analysed using SPSS version 22.Results: The prevalence of hearing loss among the study participants was 5.7% and 1.8% of people complained of tinnitus. Among the study participants, 8.9% had hypertension, 1.1% had cardiovascular disorders, 8.2% had sleeplessness, 6.4% had anxiety, 2.9% had irritability, and 5.7% reported a reduction working efficiency. The proportion of study participants with at least one health effect noise exposure was 26.07%. Only age group was significantly associated with the development of health effects among the exposed individuals.Conclusions: An alarming proportion of people working near traffic areas in Mysuru city are exposed to higher levels of noise and more than 25% of them show symptoms of auditory and/ or non-auditory health effects of noise pollution.

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Prevalence of occupational noise induced hearing loss in industrial workers

Cited by 22 publications

References 12 publications

Occupational Noise Exposure and Hearing Impairment among Spinning Workers in Iran

Occupational Noise Exposure and Hearing Impairment among Spinning Workers in Iran

Narrow-band chirp and tone burst auditory brainstem response as an early indicator of synaptopathy in industrial workers exposed to occupational noise

Auditory and non-auditory health effects of noise exposure among people working near traffic junctions in Mysuru city, Karnataka

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