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Using pressure measurements to evaluate different technologies

P M Burman

    Decubitus
    |May 1, 1993
    PubMed
    Summary
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    Understanding pressure ulcer technologies requires clarity on pressure measurement units. This article clarifies key pressure parameters to help clinicians evaluate products and improve patient outcomes cost-effectively.

    Area of Science:

    • Biomedical Engineering
    • Clinical Practice
    • Materials Science

    Background:

    • Clinicians face challenges with pressure ulcer prevention and treatment due to conflicting information on pressure-lowering technologies.
    • Existing literature and sales materials often present confusing or contradictory data regarding pressure measurement units and parameters.

    Purpose of the Study:

    • To elucidate the fundamental differences among various units of pressure measurement.
    • To clarify commonly cited pressure parameters in pressure ulcer research and product literature, including capillary closing pressure, tissue interface pressure, internal cushion pressure, and hydrostatic pressure.

    Main Methods:

    • Literature review and conceptual analysis of pressure measurement units and parameters relevant to pressure ulcer prevention.

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  • Comparative analysis of different pressure measurement concepts and their clinical implications.

    • Main Results:

    • Distinction between different pressure measurement units (e.g., mmHg, kPa, Pa) and their applications.
    • Explanation of distinct pressure parameters: capillary closing pressure, tissue interface pressure, internal cushion pressure, and hydrostatic pressure, and their relevance to tissue viability.

    Conclusions:

    • A clear understanding of pressure measurement units and parameters is crucial for clinicians.
    • Informed evaluation of pressure-lowering technologies can lead to realistic product expectations and cost-effective patient care.
    • Improved comprehension of pressure dynamics aids in achieving better outcomes in pressure ulcer management.