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Serum ferritin increases during deep saturation dives

S C Gilman, R J Biersner, C Piantadosi

    Aviation, Space, and Environmental Medicine
    |October 1, 1982
    PubMed
    Summary
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    Serum ferritin levels increased during a helium-oxygen saturation dive. While not directly causing decompression sickness (DCS), high baseline ferritin may be linked to DCS and aseptic bone necrosis (ABN).

    Area of Science:

    • Marine biology
    • Biomedical research
    • Diving medicine

    Background:

    • Serum ferritin is an iron-storage protein.
    • Its role in diving-related conditions is not fully understood.
    • Previous hypotheses suggested a link between serum ferritin and aseptic bone necrosis (ABN).

    Purpose of the Study:

    • To investigate serum ferritin level changes in U.S. Navy divers during and after helium-oxygen saturation dives.
    • To explore the relationship between serum ferritin levels and the development of decompression sickness (DCS).

    Main Methods:

    • Six U.S. Navy divers participated in a 29-day helium-oxygen saturation dive.
    • Serum ferritin levels were measured progressively during compression, decompression, and post-dive.
    • Statistical analysis was used to compare ferritin levels between divers who developed DCS and those who did not.

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    Main Results:

    • Serum ferritin levels showed progressive increases during compression.
    • These elevated levels persisted throughout decompression and for one week post-dive.
    • No direct correlation was found between ferritin increases and DCS development.
    • Divers who developed DCS had significantly higher baseline serum ferritin levels than those who remained DCS-free.

    Conclusions:

    • Decompression sickness (DCS) does not appear to cause differential serum ferritin variability.
    • The findings suggest DCS may not be directly involved in aseptic bone necrosis (ABN).
    • Elevated baseline serum ferritin levels may play a role in both DCS and ABN susceptibility.