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Related Experiment Videos

Pulmonary and auditory function among experienced construction divers: a cross-sectional study.

M Skogstad1, T Haldorsen, H Kjuus

  • 1National Institute of Occupational Health, Oslo, Norway.

Aviation, Space, and Environmental Medicine
|July 23, 1999
PubMed
Summary
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Construction divers showed altered lung function, including higher forced vital capacity (FVC) and alveolar volume (VA), but reduced forced expiratory flow rate at 50% of FVC (FEF50%). The left ear demonstrated more vulnerability to hearing impairment in divers.

Area of Science:

  • Occupational Health
  • Pulmonary Medicine
  • Audiology

Background:

  • Construction divers face unique occupational exposures.
  • Understanding the long-term physiological effects of diving is crucial for worker safety.
  • Previous research on pulmonary and auditory function in divers is limited.

Purpose of the Study:

  • To investigate pulmonary and auditory function in experienced construction divers.
  • To compare lung function and hearing thresholds between divers and a matched control group.
  • To identify potential health risks associated with occupational diving.

Main Methods:

  • Cross-sectional study comparing 26 construction divers with 26 matched workshop workers.
  • Pulmonary function tests included dynamic lung volumes, flow rates, and carbon monoxide diffusion capacity (TlCO).

Related Experiment Videos

  • Auditory examination assessed air conduction thresholds at various frequencies.

    • Main Results:

    • Divers exhibited significantly higher forced vital capacity (FVC) and alveolar volume (VA) compared to controls.
    • A significant reduction in forced expiratory flow rate at 50% of FVC (FEF50%) was observed in divers.
    • No significant differences were found in forced expiratory volume in 1 second (FEV1) or TlCO.
    • Divers showed reduced auditory function in the left ear at 3 kHz and 8 kHz, but overall hearing thresholds did not differ significantly from controls.

    Conclusions:

    • Occupational diving may be associated with specific changes in pulmonary function.
    • The left ear appears more susceptible to hearing impairment in construction divers.
    • Further research is warranted to elucidate the mechanisms and long-term implications of these findings.