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Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems
06:45

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Published on: May 2, 2025

Support surfaces for pressure ulcer prevention.

Elizabeth McInnes, Sally Em Bell-Syer, Jo C Dumville

    The Cochrane Database of Systematic Reviews
    |October 10, 2008
    PubMed
    Summary
    This summary is machine-generated.

    Higher specification foam mattresses and medical sheepskins effectively prevent pressure ulcers in at-risk individuals. Alternating pressure mattresses may be more cost-effective than overlays for pressure ulcer prevention.

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    Area of Science:

    • Medical technology
    • Preventive medicine
    • Wound care

    Background:

    • Pressure ulcers (bedsores) are localized skin damage from pressure, shear, or friction.
    • Common in the elderly and immobile, leading to significant human and financial costs.
    • Pressure-relieving devices are standard prevention aids in healthcare settings.

    Purpose of the Study:

    • To evaluate the effectiveness of pressure-relieving cushions, beds, mattress overlays, and replacements in preventing pressure ulcers compared to standard surfaces.
    • To compare the efficacy of different pressure-relieving surfaces against each other for pressure ulcer prevention.

    Main Methods:

    • Systematic review of randomized controlled trials (RCTs) published or unpublished.
    • Searched multiple databases including Cochrane CENTRAL, MEDLINE, EMBASE, and CINAHL.
    • Included RCTs with objective clinical outcomes; excluded studies with only proxy measures like interface pressure.

    Main Results:

    • Foam mattress alternatives reduce pressure ulcer incidence in at-risk individuals.
    • Medical sheepskins prevented pressure ulcers; alternating pressure mattresses may be more cost-effective than overlays.
    • Evidence is insufficient for seat cushions and some constant low-pressure devices; some devices may be harmful.

    Conclusions:

    • Higher specification foam mattresses are recommended over standard ones for high-risk patients.
    • Alternating pressure mattresses show potential cost-effectiveness; medical sheepskins reduce ulcer development.
    • Further evaluation is needed for seat cushions and A&E overlays; some devices warrant caution.