Database for a hearing conservation program

Pyykkö, Ilmari; Toppila, Esko; Starck, Jukka; Juhola, Martti; Auramo, Yrjö

doi:10.1080/010503900424606

Cited by 10 publications

(6 citation statements)

References 16 publications

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“…The noise induced hearing loss is one of the most prevalent occupational disease in the world 24,25 . Horg and Raymond 26 (2003), in a study carried out in the USA, found NIHL in about 60% of the 575 workers of civil construction they studied, while Monley et al 27 (1996), collecting audiologic information from 89,500 subjects from the Australian population exposed to damaging levels of noise found a prevalence of 57.7% of subjects with hearing alterations suggesting noise-induced hearing loss.…”

Section: Discussionmentioning

confidence: 99%

Interação entre grau de perda auditiva e o incômodo com zumbidos em trabalhadores com história de exposição ao ruído

Días¹,

Cordeiro²

2008

Rev. Bras. Otorrinolaringol.

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Heari ng loss and tinnitus impact the lives of workers in every instance of their lives. Aim: this paper aims to investigate the existence of a dose-response relationship between hearing loss and tinnitus by determining whether higher levels of hearing loss can be associated with increased tinnitus-related discomfort. Materials and method: this cross-sectional case study assessed 284 workers exposed to occupational noise through pure tone audiometry. Test results were categorized as defined by Merluzzi. Individuals complaining of tinnitus answered the adapted and validated Brazilian Portuguese version of the Tinnitus Handicap Inventory. A generalized linear model was adjusted for binomial data to test the interaction between these factors. Results: over 60% of the ears analyzed had hearing loss, while more than 46% of them had tinnitus. Tinnitus prevalence and risk rates increased as pure tone audiometry results got worse. The association between both, considering all hearing loss degrees, was statistically significant. Conclusion: the results point to a statistical association between hearing loss and tinnitus; the greater the hearing loss, the greater the discomfort introduced by tinnitus.

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Section: Discussionmentioning

confidence: 99%

Interação entre grau de perda auditiva e o incômodo com zumbidos em trabalhadores com história de exposição ao ruído

Días¹,

Cordeiro²

2008

Rev. Bras. Otorrinolaringol.

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“…The programs have the limitation that they do not record possible confounders and risk factors as demanded in the new directive of EC (11). Other programs use models based on risk analysis in which the relative importance of various factors, as well as workplace noise, is considered (30,63). We have listed in Table VII some of the necessary components that should be documented in the database of a HCP.…”

Section: Hearing Conservation Programsmentioning

confidence: 99%

Individual susceptibility to noise-induced hearing loss

Pyykkö

Toppila

Zou

et al. 2007

Audiological Medicine

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The new EU directive (10/2003/EU) sets new limits for allowable noise levels and sets new requirements to accommodate the individual susceptibility factors, but does not define these factors. We aim to evaluate the effects of environmental and biological factors on the damage to hearing by noise. The history of work exposure, use of hearing protective devices (HPD), audiometric data and information on environmental and biological factors were collected from well over 1000 workers. The group consisted of 406 paper mill workers, 400 miners, 250 metal factory workers, 176 shipyard workers and 124 forestry workers. For comparison we evaluated 685 noise-exposed subjects visiting a hearing aid clinic for fitting of a hearing aid. They were exposed in their work to noise levels of 80 Á115dB(A). The environmental and biological factors encompassed smoking habits, the use of analgesics, serum cholesterol, systolic or diastolic blood pressure as well as noise exposure. There were a number of confounders which were significant factors in the hearing losses found in the noise-exposed workers. Sensitivity to sunburn, the presence of Raynaud's disease, a history of head injury and the use of analgesics correlated significantly with the extent of noise induced hearing loss (NIHL). The role of serum cholesterol levels as a risk factor for NIHL depended on the age of the subject, with the levels of middle-aged subjects having the greatest effect on NIHL. Hypertension or use of anti-hypertensive medication and use of analgesics correlated with hearing loss and their effect was additive. The correlation of tobacco smoking was also confounded by age. In analyses where the subjects were matched in pairs by age, exposure, blood pressure and serum cholesterol level, the elderly subjects were more susceptible to NIHL than younger subjects. In conclusion, among several susceptibility factors smoking and cholesterol are independently but causally related to NIHL and may cause the subject to be more susceptible for noise damage. Ageing further confounds some of these factors. The current ISO noise standard (1999 Á1990) has methodological deficiencies in not encompassing these susceptibility factors.

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“…The prevalence for both types of noise exposure was assessed only qualitatively (either 0% or 100%) so that, in the analyses, only the mean level of exposure was needed to quantify the exposure. The occupation-specific mean levels were based on data on noise measurements included in the NoiseScan database (19) of the Finnish Institute of Occupational Health. For continuous noise only exposures of 80 dB or more were reported, and people exposed to noise levels of 0-79 dB were considered to be unexposed.…”

Section: Study Population and Follow-up Via Linkage To Population Regmentioning

confidence: 99%

Long-term effect of occupational noise on the risk of coronary heart disease

Virkkunen¹,

Kauppinen²,

Tenkanen³

2005

Scand J Work Environ Health

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Virkkunen H, Kauppinen T, Tenkanen L. Long-term effect of occupational noise on the risk of coronary heart disease. Scand J Work Environ Health 2005;31(4):291-199.Objectives The aim of the study was to investigate the short-and long-term effects of occupational exposure to continuous and impulse noise on the risk of CHD. MethodsThe effect of noise on CHD was studied among 6005 Finnish middle-aged industrially employed men (part of the screeners in the Helsinki Heart Study) in a prospective 18-year follow-up study. The CHD end points (codes 410-414 in the ninth revision of the International Classification of Diseases and codes I20-I25 in the tenth revision) were obtained from official Finnish registers. The Finnish job-exposure matrix FINJEM provided estimates of the proportion of exposed persons and the mean level of exposure among those exposed by occupation. The relative risks (RR) of CHD and the 95% confidence intervals (95% CI) for noise exposure were calculated from Cox's proportional hazard models with adjustment for some other risk factors of CHD. ResultsThe short-term (9-year follow-up) relative risk of CHD for the combined noise (continuous noise exceeding 80 decibels and impulse noise) was 1.38 (95% CI 1.04-1.82), and the long-term (18-year follow-up) RR was 1.54 (95% CI 1.28-1.86). For blue-collar workers the corresponding estimates were 1.11 (95% CI 0.82-1.51) and 1.29 (95% CI 1.05-1.57). Adjustment for other relevant risk factors did not materially change the results. ConclusionsIn our long-term follow-up of industrially employed men, exposure to noise, especially to impulse noise, was associated with a moderate, but statistically significant increase in CHD risk that persisted even after the workers had passed the age of retirement.

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Database for a hearing conservation program

Cited by 10 publications

References 16 publications

Interação entre grau de perda auditiva e o incômodo com zumbidos em trabalhadores com história de exposição ao ruído

Interação entre grau de perda auditiva e o incômodo com zumbidos em trabalhadores com história de exposição ao ruído

Individual susceptibility to noise-induced hearing loss

Long-term effect of occupational noise on the risk of coronary heart disease

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