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Related Experiment Videos

Self-reported headache during saturation diving.

Martin Englund1, Jan Risberg

  • 1Norwegian Underwater Intervention (NUI) A/S, Bergen, Norway. martin.englund@ort.lu.se

Aviation, Space, and Environmental Medicine
|March 26, 2003
PubMed
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Commercial divers experience more headaches during saturation diving than in daily life. Headaches frequently occur during the final decompression stages and immediately after returning to the surface.

Area of Science:

  • Occupational Health
  • Diving Medicine
  • Neurology

Background:

  • Commercial divers report frequent headaches post-saturation dives.
  • Limited systematic data exists on headache incidence and characteristics in this population.

Purpose of the Study:

  • To investigate the incidence and clinical features of headaches in commercial divers following saturation dives.
  • To compare headache occurrence during saturation diving with everyday life.

Main Methods:

  • Anonymous questionnaires distributed to divers on the Norwegian continental shelf in 2001.
  • 56 divers participated, reporting headache frequency and intensity (Visual Analog Scale, VAS) over 67 saturation dives.
  • Data collected on headache occurrence during decompression and post-saturation periods.

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Main Results:

  • Divers reported significantly higher headache frequency during saturation diving compared to daily life (p < 0.001).
  • One-third of divers experienced headaches after decompression.
  • Headache reports increased significantly on the last day of decompression (p = 0.03) and the first day post-saturation (p < 0.001).
  • Median headache duration was 6 hours, with a median VAS pain score of 2.5 (moderate intensity).

Conclusions:

  • Headache incidence is elevated in commercial divers undertaking saturation dives.
  • The increased headache occurrence is linked to the final decompression phases and the immediate post-saturation period.
  • While specific causes remain unidentified, potential explanations are discussed.