Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Age and noise-induced hearing loss.

E Toppila1, I Pyykkö, J Starck

  • 1Department of Physics, Finnish Institute of Occupational Health, Helsinki. esko.toppila@occuphealth.fi

Scandinavian Audiology
|February 16, 2002
PubMed
Summary

Noise-induced hearing loss (NIHL) is significantly influenced by confounding factors like serum cholesterol, especially in older individuals. As these factors increase, they can mask or even override the impact of occupational noise exposure on hearing.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Imaging of Temporal Bone.

Advances in oto-rhino-laryngology·2019
Same author

Positive impact of Ménière's disorder on significant others as well as on patients: our experience from eighty-eight respondents.

Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery·2013
Same author

How one hundred and eighty three people with Menière's disorder relieve their symptoms: a random cohort questionnaire study.

Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery·2013
Same author

Tinnitus complaint behaviour in long-standing Menière's disorder: its association with the other cardinal symptoms.

Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery·2011
Same author

Analysis of outcome of Lichtenstein groin hernia repair by surgeons-in-training versus a specialized surgeon.

Hernia : the journal of hernias and abdominal wall surgery·2011
Same author

Modelling stabilograms with hidden Markov models.

Journal of medical engineering & technology·2008

Area of Science:

  • Occupational Health
  • Audiology
  • Environmental Health

Background:

  • Noise-induced hearing loss (NIHL) is a significant occupational hazard.
  • Understanding the interplay between noise exposure and confounding factors is crucial for effective prevention strategies.

Purpose of the Study:

  • To evaluate the combined effects of occupational noise, age, and confounding factors on hearing loss.
  • To identify the relative importance of noise exposure versus confounders in the development of NIHL.

Main Methods:

  • Cross-sectional study involving 706 workers from paper mills, forestry, and shipyards with varying noise exposures (91-99 dB(A)).
  • Data collected on occupational noise exposure, hearing protection use, audiograms, smoking habits, serum cholesterol, blood pressure, and analgesic use.
  • Subjects categorized into high- and low-risk groups based on median confounder values and matched pair analysis.

Main Results:

  • Confounding factors, particularly serum cholesterol, significantly contributed to hearing loss across all age groups.
  • The impact of occupational noise on hearing loss was diminished or masked by the presence of multiple confounding factors.
  • In individuals with fewer than two confounders, occupational noise exposure was the primary determinant of NIHL.
  • Elderly subjects demonstrated increased susceptibility to NIHL, with age-related factors playing a critical role, especially at noise levels below 98 dB(A).

Conclusions:

  • Confounding factors play a substantial role in the development of noise-induced hearing loss, often overshadowing the effects of noise exposure itself.
  • Age-related factors and biological confounders like serum cholesterol are critical considerations in assessing and managing NIHL risk.
  • Targeted interventions should address both noise reduction and the management of individual risk factors to mitigate hearing loss in noisy work environments.

Related Experiment Videos