Measuring interface pressure: a laboratory-based investigation into the effects of repositioning and sitting

The American Journal of Occupational Therapy : Official Publication of the American Occupational Therapy Association
May D StinsonPamela Eakin

Abstract

Measurement of interface (or contact) pressure is important in assessing tissue viability in relation to pressure sore prevention and may be achieved through pressure mapping techniques. This article reports on two pilot studies using the Force Sensing Array pressure mapping system in a laboratory setting. The purpose of Study 1 was to examine the consistency of readings from the system across 1-min trials of repositioning, and Study 2 aimed to investigate changes in interface readings over a 20-min sitting period. Analyses on measurements of average pressure (mean of all sensor values) and maximum pressure (highest individual sensor value) were performed using the t test and repeated-measures analysis of variance. The results demonstrated that the use of average and maximum pressure measurements reflected only low reliability and that 6 min was likely to be the optimal sitting time required before stable pressure measurement. However, because of the limitations of using small convenience samples of healthy participants (n = 44 for Study 1, n = 20 for Study 2), these studies should be replicated with larger samples of healthy participants and then verified with disabled populations before adoption into clinical practice.

Associated Clinical Trials

Citations

Jun 15, 2005·Archives of Physical Medicine and Rehabilitation·Shelley A CrawfordAlison P Porter-Armstrong
Sep 1, 2009·Assistive Technology : the Official Journal of RESNA·Jasper ReenaldaMaarten IJzerman
Sep 30, 2006·Advances in Skin & Wound Care·Darlene HansonPatricia Thompson
May 29, 2009·Nursing·Darlene S HansonSusan Hunter
Oct 31, 2008·American Journal of Physical Medicine & Rehabilitation·Blair MacDonaldAdam Webber
Jan 31, 2006·Dermatologic Surgery : Official Publication for American Society for Dermatologic Surgery [et Al.]·Hugo PartschMartino Neumann
May 2, 2013·Journal of Medical Engineering & Technology·Zita Ranajoy DeyNigel Shapcott
Jan 1, 2006·Disability and Rehabilitation. Assistive Technology·S A CrawfordA P Porter-Armstrong
Sep 14, 2007·Disability and Rehabilitation·M D StinsonA P Porter-Armstrong
Feb 9, 2016·Assistive Technology : the Official Journal of RESNA·Greg NemunaitisMelvin Mejia
Mar 10, 2016·Scandinavian Journal of Occupational Therapy·Marina Timm, Kersti Samuelsson
Jan 15, 2010·IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society·Paul van GeffenBart F J M Koopman
Sep 4, 2003·Clinical Rehabilitation·M D StinsonP A Eakin
Aug 23, 2019·Assistive Technology : the Official Journal of RESNA·Helen SunGreg Nemunaitis
Jul 3, 2015·Journal of Wound, Ostomy, and Continence Nursing : Official Publication of the Wound, Ostomy and Continence Nurses Society·Stephannie K MillerJudith A Fulton
Jul 1, 2009·Disability and Rehabilitation. Assistive Technology·Kersti SamuelssonBirgitta Rustner
Apr 20, 2010·The Journal of Spinal Cord Medicine·Stephen SprigleSharon E Soneblum
May 18, 2021·Journal of Tissue Viability·Arzu Aslan Basli, Meryem Yavuz Van Giersbergen

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