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Is a computer based measurement method superior to a recommended manual method by the ROHO® Group to assess pressure in the sitting position?

By Jane Andreasen, Christian Gammelgaard Olesen, John Rasmussen, Susanne Kaasgaard Nielsen, Lone Nguyen and Peter Larsen


Objectives: The objective was to test intra tester and inter tester reliability and evaluate if a computer based measurement method is superior to a manual method to reduce pressure in the sitting position.Design: An intra tester and inter tester reliability study was conducted in 2010 at the Department of Occupational Therapy and Physiotherapy, Aalborg Hospital, Aarhus University Hospital, Denmark.Participants: 20 healthy and able minded aged between 18 and 65. Procedure: The outcome measures were obtained using a pressure imaging system that could register pressure distribution in the sitting area. The system was a XSENSOR Pressure Mapping System™. The cushion used was a Roho Quatro select® high profile.All subjects were tested twice with an interval of 24 hours by Testers 1 and 2, who were experienced occupational therapists. Main outcome measures: Risk factor defined as a scalar norm, R, of tissue pressure possibly indicative for the risk of tissue damage, and the average pressure in the seating area, which was the calculated average pressure in the activated sensors. Furthermore the number of sensors activated over 90 mm Hg in the seating area was registered. Results: The study did not show high ICC correlations neither in the intra Tester nor in the inter Tester reliability in reducing pressure in the seating position. Conclusions: The current and by the company recommended manual procedure for adjustment of the air pressure in the cushion seems unreliable and no conclusions regarding superiority between the manual and the computer based method can be made

Publisher: 'Wiley'
Year: 2013
DOI identifier: 10.1111/j.1440-1630.2012.01024.x
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Provided by: VBN
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