Ramazzini; Blog on work and health by Annet Lenderink


Daily exposure measures prevent further hearing loss

Interesting study on a preventive intervention for occupational noise-induced hearing loss (NIHL). Workers who could daily monitor their noise exposure “at-ear” experienced no further worsening of high frequency hearing 4 years after the intervention. This might be a promising approach to enhance the situation of this frequent occupational disease.

Effect of daily noise exposure monitoring on annual rates of hearing loss in industrial workers
Peter M Rabinowitz, Deron Galusha, Sharon R Kirsche, Mark R Cullen, Martin D Slade, Christine Dixon-Ernst
Occup Environ Med 2011;68:414-418 Read the rest of this entry »

Filed under: Hearing loss, Noise, Physical agents, ,

Mobile phone use may influence tinnitis

The mechanisms that produce tinnitus are not fully understood. From anecdotal evidence we know that there may be a link between mobile phone use and tinnitus. Austrian researchers did an individually matched case-control study to study this relation in 100 patients and 100 controls. They found that mobile phone use up to the index date (onset of tinnitus) on the same side as the tinnitus did not have significantly elevated ORs for regular use and intensity or for cumulative hours of use. But the risk estimate was significantly elevated for prolonged use (≥4 years) of a mobile phone (OR 1.95; CI 1.00 to 3.80). They concluded that mobile phone use should be included in future investigations as a potential risk factor for developing tinnitus.

Hans-Peter Hutter et al. 2010, Tinnitus and mobile phone use
Occup Environ Med 2010;67:804-808

Read the rest of this entry »

Filed under: Physical agents, ,

Police officers and noise induced hearing loss

To evaluate the association between police employment and noise-induced hearing loss (NIHL) a cross-sectional study was performed on 887 policemen and 805 civil servants in France. After adjusting for potential cofounders, police officers were 1.4 times more likely to have a selective 4000 Hz hearing loss than civil servants (95% CI 1.1–1.9). This difference was greater between motorcycle police officers and civil servants (OR = 3; 95% CI 1.4–6.3). These data suggest that occupational noise exposure in police work, particularly in motorcycle police officers, may induce hearing loss.

Noise-induced hearing loss in French police officers
François-Xavier Lesage, Nicolas Jovenin, Frederic Deschamps1 and Samuel Vincent Occupational Medicine 2009 59(7):483-486 Read the rest of this entry »

Filed under: Hearing loss, Noise, Occupational diseases, , ,

Are your ears really protected?

Protect your earsThere is still a lot of noise in the workplace. Fortunately there are hearing protectors to wear and safe you from noise induced hearing loss. But hearing protectors such as ear plugs and earmuffs only work if they fit and are worn properly. Now you can check that with a webbased tool from NIOSH.

NIOSH’s QuickFitWeb is an online tool that allows users to check the fit of their hearing protectors in a minute or less. Read more and check your hearing protectors on the CDC NIOSH Science Blog.

Also check the instruction for the use of soft foam ear plugs or watch the video.

Filed under: Hearing loss, ,

The quality of reporting occupational diseases in the Netherlands

An interesting article on the quality of reporting in the Dutch system: 

D.Spreeuwers1, A. G. E. M. de Boer1, J. H. A. M. Verbeek1,2, M. M. van Beurden1 and F. J. H. van Dijk1
Diagnosing and reporting of occupational diseases: a quality improvement study

To assess the need for quality improvement of diagnosing and reporting of noise-induced occupational hearing loss and occupational adjustment disorder. Performance indicators and criteria for the quality of diagnosing and reporting were developed. Self-assessment questionnaires were sent to all occupational physicians recorded on the Netherlands Centre for Occupational Diseases database.

The mean quality score for diagnosing and reporting was 6.0 (SD: 1.4) for noise-induced occupational hearing loss and 7.9 (SD: 1.5) for occupational adjustment disorder on a scale of 0-10. For noise-induced occupational hearing loss, there was a need for quality improvement of the aspects of medical history, audiometric measurement, clinical diagnosis of the disease and reporting. For occupational adjustment disorder, the assessment of other non-occupational causes needed improvement.

1 Coronel Institute of Occupational Health, Academic Medical Centre, University of Amsterdam, the Netherlands
2 Finnish Institute of Occupational Health, Knowledge Transfer Team, Kuopio, Finland

Filed under: Reporting OD's, , ,


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Annet Lenderink

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Diepenveen, Netherlands

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