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A nurse-led randomised trial of pressure-relieving support surfaces

E. Andrea Nelson, BSc (Hons), RN, PhD.Senior Research Fellow, Centre for Evidence Based Nursing, Department of Health Sciences, University of YorkPressure ulcers, also known as pressure sores or decubitus ulcers, are caused by unrelieved pressure, shear or friction acting on the skin (Dealey, 1991). Studies in UK hospitals have found that 6-10% of inpatients have a pressure ulcer (O'Dea, 1993). They are most commonly found at bony prominences such as the sacrum, heels and hips.

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