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Anatomy of Respiratory System I: Upper Respiratory Tract

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Training Rats to Voluntarily Dive Underwater: Investigations of the Mammalian Diving Response
11:56

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Published on: November 12, 2014

Paranasal sinus mucosal hypertrophy in experienced divers.

Güner Sonmez1, Günalp Uzun, Mesut Mutluoglu

  • 1Department of Underwater and Hyperbaric Medicine, Gulhane Military Medical Academy, Haydarpasa Teaching Hospital, Uskudar, Istanbul, Turkey.

Aviation, Space, and Environmental Medicine
|October 4, 2011
PubMed
Summary

Recreational diving is linked to a higher prevalence of paranasal sinus mucosal hypertrophy (PSMH). This study found 41.8% of divers had PSMH compared to 22.8% of controls, suggesting diving may affect sinus mucosa.

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Area of Science:

  • Otolaryngology
  • Diving Medicine
  • Radiology

Background:

  • Recreational diving's popularity raises interest in its long-term health effects.
  • Paranasal sinus mucosal hypertrophy (PSMH) is noted as potentially more common in divers.
  • This study investigates PSMH in divers using MRI.

Purpose of the Study:

  • To compare the prevalence of paranasal sinus mucosal hypertrophy (PSMH) in asymptomatic divers versus non-divers.
  • To identify potential associations between diving and changes in paranasal sinus mucosa.

Main Methods:

  • Seventy-nine male divers and 79 age/sex-matched non-divers were enrolled.
  • Exclusion criteria included sinus barotrauma, chronic sinusitis, allergies, polyps, or mastoiditis.
  • Paranasal sinus MRI (1.5-T) was used, defining PSMH as mucosal thickness >3 mm.

Main Results:

  • PSMH was detected in 41.8% of divers and 22.8% of controls.
  • No significant differences were found in age, smoking, or alcohol consumption between groups.
  • PSMH in divers showed no association with age or diving history.

Conclusions:

  • The increased prevalence of PSMH in divers suggests a potential link between diving activities and paranasal sinus mucosal changes.
  • Further research may explore the mechanisms and clinical significance of these findings.