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The WHO/IAEA research programme on trace elements in cardiovascular diseases

R Masironi

    Journal of Environmental Pathology and Toxicology
    |September 1, 1980
    PubMed
    Summary

    This study compared trace element levels (cadmium, chromium, copper, selenium, zinc) in tissues of men who died from cardiovascular disease versus those who died from other causes. Findings reveal differences in essential and toxic metal accumulation linked to heart disease.

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    Area of Science:

    • Environmental Health
    • Toxicology
    • Cardiovascular Medicine

    Background:

    • Cardiovascular diseases remain a leading cause of mortality globally.
    • Trace elements play crucial roles in physiological processes and can be toxic at certain levels.
    • Understanding the relationship between trace element exposure and cardiovascular health is vital.

    Purpose of the Study:

    • To investigate the association between trace element concentrations (Cd, Cr, Cu, Se, Zn) and cardiovascular disease (myocardial infarction, hypertension).
    • To compare element levels in specific tissues between subjects with and without a history of cardiovascular death.

    Main Methods:

    • Autopsy tissue samples (heart, kidney, liver, hair, toenails) were collected from male subjects following a standardized WHO protocol.
    • Trace element analysis was performed using neutron activation analysis according to an IAEA protocol.
    • Pathology and analytical data were systematically recorded and reported.

    Main Results:

    • Significant differences in the concentrations of certain trace elements (e.g., cadmium, copper, zinc) were observed between cardiovascular and non-cardiovascular death groups.
    • Specific element accumulation patterns varied across different tissues analyzed.
    • The study provides quantitative data on trace element burdens in relation to cardiovascular mortality.

    Conclusions:

    • Trace element profiles in various tissues may serve as indicators of cardiovascular disease status.
    • Further research is warranted to elucidate the causal relationships and mechanisms underlying these associations.
    • This international collaborative study highlights the importance of trace element monitoring in public health.

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