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Related Experiment Videos

Alternobaric vertigo in professional divers.

O I Molvaer1, G Albrektsen

  • 1Norwegian Underwater Technology Centre, Bergen.

Undersea Biomedical Research
|July 1, 1988
PubMed
Summary

Professional divers experiencing vertigo, known as alternobaric vertigo (AV), often do so due to ear barotrauma and noise exposure. This condition, while common, did not lead to serious issues in this study group.

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Area of Science:

  • Otolaryngology
  • Diving Medicine
  • Neuroscience

Background:

  • The cochleovestibular system's function can be affected by diving.
  • Alternobaric vertigo (AV) is a specific type of vertigo linked to middle ear pressure differences.

Purpose of the Study:

  • To investigate the prevalence and contributing factors of vertigo in professional divers.
  • To identify variables associated with alternobaric vertigo (AV) in this population.

Main Methods:

  • Audiometric hearing tests and otological examinations were conducted on 194 professional divers.
  • Caloric vestibular tests were performed on a subset of 48 subjects.
  • A stepwise multiple logistic regression analysis identified factors associated with AV.

Main Results:

  • 39% of divers reported experiencing vertigo, with 33% classified as AV.
  • Previous ear barotrauma and noise exposure during diving were significantly associated with AV.
  • AV occurred most frequently when divers had a common cold.

Conclusions:

  • Previous ear barotrauma and noise exposure are key risk factors for developing AV in divers.
  • While AV is common among divers, it did not result in critical incidents in this study.
  • Further research may inform preventative strategies for AV in diving.

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