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Related Experiment Videos

[A method of redoxometry in clinical studies].

G G Prokhorov, A M Pisarevskiĭ, Iu I Nikolaev

    Voprosy Meditsinskoi Khimii
    |September 1, 1989
    PubMed
    Summary

    Directly measuring tissue redox-potential with platinum electrodes offers dynamic insights into tissue health. This method aids in evaluating local circulation and guiding treatment for conditions like atherosclerosis.

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    Area of Science:

    • Biomedical Engineering
    • Physiology
    • Clinical Chemistry

    Context:

    • Assessing tissue redox-state is crucial for understanding cellular function and disease.
    • Current methods for evaluating local tissue circulation and redox potential can be limited.
    • Platinum electrodes offer a direct method for in vivo measurements.

    Purpose:

    • To explore the direct estimation of redox-potential in human skin and muscles using platinum electrodes.
    • To investigate the utility of this technique for dynamic redox-state evaluation and local tissue circulation measurement.
    • To assess the sensitivity enhancement of electrodes for severe circulation impairments.

    Summary:

    • Direct measurement of redox-potential in human skin and muscles was achieved using platinum electrodes.
    • The technique demonstrated potential for dynamic redox-state evaluation and local tissue circulation assessment via hydrogen clearance.
    • Enhanced electrode sensitivity through platinum overlay improved measurements for severe circulation impairments.
    • Studies on patients with obliterating atherosclerosis revealed decreased redox-potential in ischemic zones, partially improving post-surgery.
    • Validation was confirmed through oxygenometry, blood pH-metry, and tissue circulation rate measurements.

    Impact:

    • Provides a direct method for dynamic redox-potential assessment in human tissues.
    • Offers potential for improved diagnosis and monitoring of circulatory impairments like atherosclerosis.
    • Supports clinical decision-making by providing essential information for treatment selection.

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