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A Revolutionary Step Towards the Prevention of Pressure Ulcer: from Bench to Bedside Open Access


Other title
Clinical implementation and feasibility of electromyographic contraction monitoring of intermittent electrical stimulation system for prevention of deep tissue injury
electromyographic contraction monitoring
pressure ulcer
safety acceptability feasibility study
deep tissue injury
clinical implementation
intermittent electrical stimulation
EMG force relationship
Type of item
Degree grantor
University of Alberta
Author or creator
Ahmetovic, Alisa
Supervisor and department
Chan, K. Ming (Centre for Neuroscience)
Mushahwar, Vivian (Centre for Neuroscience)
Examining committee member and department
Mushahwar, Vivian (Centre for Neuroscience)
Ferguson-Pell, Martin (Faculty of Rehabilitation Medicine)
Chan, K. Ming (Centre for Neuroscience)
Centre for Neuroscience

Date accepted
Graduation date
Master of Science
Degree level
Deep tissue injury (DTI) is particularly serious subtype of pressure ulcer that first starts in the muscle layers over bony prominences as a result of unrelieved loading. Intermittent electrical stimulation (IES) induced muscle contractions have shown potential for prevention of DTI through contraction induced pressure shift and tissue perfusion. As part of this thesis, we have conducted a clinical safety and feasibility study of the IES system showing that it is generally safe, feasible and acceptable in long term care and rehabilitation hospital settings. Furthermore, I demonstrated that prolonged IES did not cause muscle fatigue and that a linear relationship exists between peak twitch tension and peak to peak M-wave amplitude in neurologically intact and subjects with spinal cord injury. This thesis helps to lay the foundation for future effectiveness study and development of an intelligent stimulator incorporating non-invasive electromyography feedback in an adaptable IES system.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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