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Chromosome aberrations in divers.

D P Fox, F W Robertson, T Brown

Undersea Biomedical Research

|June 1, 1984

Summary

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Commercial divers showed a higher incidence of chromosomal aberrations compared to controls. The cause is unknown but not linked to pressure, gas mixtures, or radiation, suggesting a localized effect on lymphocytes.

Area of Science:

Occupational Health
Toxicology
Genetics

Background:

Commercial diving poses potential long-term health risks.
Assessing chromosomal damage is crucial for evaluating these risks.

Purpose of the Study:

To investigate chromosomal aberrations in commercial divers.
To identify potential health hazards associated with diving environments.

Main Methods:

Lymphocyte cultures from air divers, helium-oxygen divers, and control groups were analyzed.
Incidence of chromosome gain, loss, and structural aberrations was quantified.

Main Results:

A small percentage (3.9%) of divers exhibited unusually high structural aberrations, not seen in controls.

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The majority of divers showed aberration rates similar to control groups.

Direct effects of pressure, breathing gas, radiation, or infection were ruled out.

Conclusions:

An unknown factor in the diving environment may cause localized lymphocyte damage.
Further research is needed to identify the specific causative agent(s).