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Related Experiment Videos

Cardiovascular risk factors in submariners.

D V Tappan, L W Mooney, M J Jacey

    Undersea Biomedical Research
    |January 1, 1979
    PubMed
    Summary

    Coronary heart disease (CHD) risk factors like cholesterol, smoking, and weight were studied in submariners. Increased risk correlated with age and longer submarine service, suggesting modifiable lifestyle factors.

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    Area of Science:

    • Cardiovascular Health
    • Occupational Medicine
    • Aging Physiology

    Background:

    • Coronary heart disease (CHD) is a major concern in aging populations.
    • Submariners represent a unique cohort for studying physiological changes and health risks.
    • Biochemical, hematologic, and physiologic variables significantly impact aging disease prognosis, particularly CHD.

    Purpose of the Study:

    • To investigate cardiovascular risk factors in a large cohort of submariners.
    • To identify specific variables associated with coronary heart disease (CHD) risk in this population.
    • To explore the relationship between length of submarine service and cardiovascular risk.

    Main Methods:

    • Studied 1017 submariners, assessing biochemical, hematologic, and physiologic variables.
    • Measured skinfold thickness, body fat, serum cholesterol, relative weight, and blood pressure.
    • Analyzed correlations between cardiovascular risk factors, age, and length of submarine service.

    Main Results:

    • Serum cholesterol, cigarette smoking, relative weight, and blood pressure were key cardiovascular risk factors.
    • CHD risk showed a significant tendency to increase with age and length of submarine service.
    • An age-independent increase in serum cholesterol correlated with extended submarine service.

    Conclusions:

    • Submariners' CHD risk is comparable to the general American male population but increases with service duration.
    • Alcohol consumption and coffee drinking showed strong correlations with cardiovascular risk, warranting further investigation.
    • Serum cholesterol, smoking, relative weight, and blood pressure are potentially modifiable CHD risks in submariners.

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