The importance of internal strain as opposed to interface pressure in the prevention of pressure related deep tissue injury
The importance of internal strain as opposed to interface pressure in the prevention of pressure related deep tissue injury
For pressure ulcer prevention an ambitious goal would be the establishment of a mechanical threshold for tissue damage. In the past, several researchers have sought to establish such a threshold often involving the loading time. However, they have not resulted in a unique reliable value that could be used in practice. This limitation is probably due to the focus on interface pressure. The objective of this paper is to clarify to an audience with no conventional background in mechanics, why interface pressure is not the appropriate parameter to define a damage threshold, whereas internal local deformations (strains) may prove more suitable. The paper reveals that it may be possible to identify a damage threshold for healthy skeletal muscle tissue based on local internal deformations.
ulcers, deep tissue injury, interface pressure, risk assessment
35-42
Oomens, C.W.J.
a8310c52-8ab4-4652-b2d6-82269a3c7438
Loerakker, Sandra
77fe9fc8-bedb-4bd7-a7c1-864755dc0ec6
Bader, D.L.
9884d4f6-2607-4d48-bf0c-62bdcc0d1dbf
May 2010
Oomens, C.W.J.
a8310c52-8ab4-4652-b2d6-82269a3c7438
Loerakker, Sandra
77fe9fc8-bedb-4bd7-a7c1-864755dc0ec6
Bader, D.L.
9884d4f6-2607-4d48-bf0c-62bdcc0d1dbf
Oomens, C.W.J., Loerakker, Sandra and Bader, D.L.
(2010)
The importance of internal strain as opposed to interface pressure in the prevention of pressure related deep tissue injury.
Journal of Tissue Viability, 19 (2), .
(doi:10.1016/j.jtv.2009.11.002).
(PMID:20005716)
Abstract
For pressure ulcer prevention an ambitious goal would be the establishment of a mechanical threshold for tissue damage. In the past, several researchers have sought to establish such a threshold often involving the loading time. However, they have not resulted in a unique reliable value that could be used in practice. This limitation is probably due to the focus on interface pressure. The objective of this paper is to clarify to an audience with no conventional background in mechanics, why interface pressure is not the appropriate parameter to define a damage threshold, whereas internal local deformations (strains) may prove more suitable. The paper reveals that it may be possible to identify a damage threshold for healthy skeletal muscle tissue based on local internal deformations.
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Published date: May 2010
Keywords:
ulcers, deep tissue injury, interface pressure, risk assessment
Organisations:
Medicine
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Local EPrints ID: 169367
URI: http://eprints.soton.ac.uk/id/eprint/169367
ISSN: 0965-206X
PURE UUID: 601ee58c-6694-4d04-9c5c-24b07a611b20
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Date deposited: 14 Dec 2010 10:28
Last modified: 14 Mar 2024 02:20
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Author:
C.W.J. Oomens
Author:
Sandra Loerakker
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