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Related Experiment Videos

Surfer's ear in Japan.

Y Umeda1, M Nakajima, H Yoshioka

  • 1Department of Otolaryngology, Kantoh Central Hospital, Tokyo, Japan.

The Laryngoscope
|June 1, 1989
PubMed
Summary
This summary is machine-generated.

Surfer's ear, an ear condition, affects 80% of professional surfers. Cold water surfing exacerbates this condition, leading to significant ear canal stenosis.

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Area of Science:

  • Otolaryngology
  • Sports Medicine
  • Environmental Health

Background:

  • Surfer's ear (otosis exostosis) is a common condition in surfers.
  • It is characterized by bony growths in the ear canal, potentially leading to hearing loss.
  • Environmental factors, particularly water temperature, are suspected contributors.

Purpose of the Study:

  • To investigate the prevalence and severity of surfer's ear in Japanese professional surfers.
  • To identify risk factors associated with the development and progression of surfer's ear.
  • To explore the relationship between surfing environment and surfer's ear severity.

Main Methods:

  • A cross-sectional study involving 51 Japanese professional surfers.
  • Clinical examination and diagnosis of surfer's ear.

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  • Assessment of external auditory canal stenosis.
  • Data collection on surfing habits, including duration and geographical locations.

    • Main Results:

    • Forty-one surfers (80%) were diagnosed with surfer's ear, affecting 71 ears.
    • External auditory canal stenosis exceeding 50% was observed in 37% of cases (30 ears).
    • Surfer's ear severity correlated with surfing in colder, northern coastal waters compared to warmer, southern waters.

    Conclusions:

    • Surfer's ear is highly prevalent in professional surfers, with significant canal stenosis in a notable proportion.
    • Prolonged surfing duration is associated with the onset and worsening of surfer's ear.
    • Exposure to cold water environments is a critical factor contributing to the severity of surfer's ear.