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Related Experiment Videos

Is tissue copper deficiency associated with aortic aneurysms?

A Senapati, L K Carlsson, C D Fletcher

    The British Journal of Surgery
    |May 1, 1985
    PubMed
    Summary

    This study investigated copper levels in patients with abdominal aortic aneurysms (AAA). Contrary to suggestions, tissue copper concentrations were similar in patients with AAA and normal individuals, indicating no deficiency.

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    Area of Science:

    • Biochemistry
    • Vascular Biology
    • Nutritional Science

    Background:

    • Abdominal aortic aneurysms (AAA) are a significant vascular condition.
    • Previous research suggested a potential link between AAA and copper deficiency.
    • Understanding the role of trace elements like copper and zinc in AAA pathogenesis is crucial.

    Purpose of the Study:

    • To investigate the hypothesis that patients with abdominal aortic aneurysms (AAA) exhibit reduced tissue copper concentrations.
    • To compare copper and zinc levels in the aortic wall and liver between individuals with and without AAA.

    Main Methods:

    • Tissue samples (liver and aortic wall) were collected from 11 patients diagnosed with abdominal aortic aneurysms.
    • Control tissue samples were obtained from 11 fresh cadavers with normal aortas.

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  • Concentrations of copper and zinc were measured in all collected tissue samples.

    • Main Results:

    • Copper concentrations in the liver and aortic wall were found to be similar between the AAA group and the control group.
    • Zinc concentrations were higher in the normal aortic wall compared to the aneurysmal aortic wall.
    • The study found no evidence supporting a deficiency in tissue copper concentrations in patients with abdominal aortic aneurysms.

    Conclusions:

    • The findings do not support the hypothesis that abdominal aortic aneurysms are associated with reduced tissue copper levels.
    • Elevated zinc in normal aortic walls may be attributed to differences in aortic wall thickness (media layer).
    • Further research is needed to fully elucidate the role of trace elements in the development and progression of AAA.