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  • Similar proportions of patients developed pressure ulcers on alternating pressure overlays and alternating pressure mattresses

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Similar proportions of patients developed pressure ulcers on alternating pressure overlays and alternating pressure mattresses

https://doi.org/10.1136/ebn.10.1.22

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    Nixon J, Cranny G, Iglesias C, et al. Randomised, controlled trial of alternating pressure mattresses compared with alternating pressure overlays for the prevention of pressure ulcers: PRESSURE (pressure relieving support surfaces) trial. BMJ 2006;332:1413–5.OpenUrlAbstract/FREE Full Text

    Q What is the relative effectiveness of alternating pressure overlays and alternating pressure mattresses for preventing pressure ulcers in hospital patients with limited mobility?

    METHODS

    Embedded ImageDesign:

    randomised controlled trial.

    Embedded ImageAllocation:

    concealed.

    Embedded ImageBlinding:

    unblinded.

    Embedded ImageFollow up period:

    median 9 days (range 0–63).*

    Embedded ImageSetting:

    10 hospitals in the UK.

    Embedded ImagePatients:

    1972 patients ⩾55 years of age (mean age 75 y, 64% women) admitted to vascular, orthopaedic, medical, or elderly care wards in the previous 24 hours, with an expected hospital stay of ⩾7 days and limited activity and mobility (Braden scores of 1 or 2) or existing grade 2 pressure ulcer. Elective surgical patients were included if they were expected to have limited mobility for ⩾3 days postoperatively. Exclusion criteria included ⩾ grade 3 pressure ulcer, planned admission to intensive care ward after surgery, sleeping in a chair at night, and weight <45 kg or >140 kg.

    Embedded ImageIntervention:

    alternating pressure overlay (n = 990) or alternating pressure mattress (n = 982) for …

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    Footnotes

    • ↵* Information provided by author.

    • For correspondence: Professor N Cullum, University of York, York, UK. nac2{at}york.ac.uk

    • Source of funding: Health Technology Assessment Programme of the UK Department of Health.