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D. Evans, L. Land, A. Geary
Journal of Wound Care, Vol. 9, Iss. 4, 01 Apr 2000, pp 181 - 186

This study assessed the clinical effectiveness of the Nimbus 3 alternating pressure mattress replacement system (APMRS) on pressure ulcer healing and comfort in subjects >65 years, with at least a Grade 2 ulcer and some mobility problems. Twelve patients in a hospital setting were randomly allocated to the Nimbus 3 or another APMRS, and 20 residents in a nursing home setting to the Nimbus 3 or an alternating pressure mattress overlay. Wound surface area (WSA) (cm2) was recorded twice weekly and comfort once weekly. In the hospital setting, there were no significant differences between groups in the reduction in WSA per day. In the nursing home setting, though subjects on Nimbus 3 had significantly more pressure ulcers at baseline, there were no significant differences between groups in the reduction in WSA per day. Nimbus 3 was statistically more comfortable than control surfaces. The study’s sample size has not shown the products were different with regard to clinical effectiveness. However, it might serve as a pilot for a larger, multi-centre RCT aimed at establishing the efficacy of a pressure-relieving (PR)?device on pressure ulcer healing.

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