Exploring the effects of lateral pressure to the soft tissue of the buttocks during seating to preserve tissue perfusion
Exploring the effects of lateral pressure to the soft tissue of the buttocks during seating to preserve tissue perfusion
Aim: pressure-ulcer occurrence in the seated patient is understudied. Preventative devices have been developed and are prescribed commonly, but there is little quantitative evidence of their effectiveness. This study explores the concept of a lateral pressure device, a prevention device that applies pressure to the sides of the seated buttocks, to reduce the amount of tissue distortion and blood-vessel occlusion. It is hypothesized that this device will reduce deep tissue injury by reducing the pressure at the bone-muscle interface, as demonstrated computationally in previous research. This study aimed to use oximetry to investigate the efficacy of the device in maintaining transcutaneous gas tensions of the tissue as close to baseline as possible.
Methods: oximetry electrodes were attached to participants' ischial tuberosity and greater trochanter for different amounts of lateral pressure. The amount of lateral pressure is a given percentage of the pressure due to the participants’ underbody pressure.
Results: the results show that 50 % lateral pressure is sufficient to produce an improvement in participants’ gas tensions at their ischial tuberosity, without negatively impacting the tissue at their greater trochanter, relative to the control of sitting with no application of lateral pressure.
Conclusion: despite a rudimentary prototype device design, and that participants each placed their own oximetry sensors, results support the application of lateral pressure as a method to maintain transcutaneous gas tensions. Further work should be carried out on a larger sample to consolidate these findings.
Lateral pressure, Oximetry, Pressure ulcer prevention, Transcutaneous gas tension
Spiteri, Maegan
98d2e3f7-2e3d-409d-a2d6-68c8d9883180
Boyle, Colin
c5ce4507-21e3-432e-8c9a-f266636a87f8
Caggiari, Silvia
58f49054-6ca6-429b-b499-49b93357e5ba
Christou, Alexandros
9a11de08-a8c6-439d-b86e-4fd62eb4966a
Savine, Louise
dbbe57d6-0222-47df-b502-74b244aaebbe
Worsley, Pete
6d33aee3-ef43-468d-aef6-86d190de6756
Masouros, Spyros
102270a4-11c6-428f-81d4-608b833c3147
Spiteri, Maegan
98d2e3f7-2e3d-409d-a2d6-68c8d9883180
Boyle, Colin
c5ce4507-21e3-432e-8c9a-f266636a87f8
Caggiari, Silvia
58f49054-6ca6-429b-b499-49b93357e5ba
Christou, Alexandros
9a11de08-a8c6-439d-b86e-4fd62eb4966a
Savine, Louise
dbbe57d6-0222-47df-b502-74b244aaebbe
Worsley, Pete
6d33aee3-ef43-468d-aef6-86d190de6756
Masouros, Spyros
102270a4-11c6-428f-81d4-608b833c3147
Spiteri, Maegan, Boyle, Colin, Caggiari, Silvia, Christou, Alexandros, Savine, Louise, Worsley, Pete and Masouros, Spyros
(2024)
Exploring the effects of lateral pressure to the soft tissue of the buttocks during seating to preserve tissue perfusion.
Journal of Tissue Viability.
(doi:10.1016/j.jtv.2024.08.004).
Abstract
Aim: pressure-ulcer occurrence in the seated patient is understudied. Preventative devices have been developed and are prescribed commonly, but there is little quantitative evidence of their effectiveness. This study explores the concept of a lateral pressure device, a prevention device that applies pressure to the sides of the seated buttocks, to reduce the amount of tissue distortion and blood-vessel occlusion. It is hypothesized that this device will reduce deep tissue injury by reducing the pressure at the bone-muscle interface, as demonstrated computationally in previous research. This study aimed to use oximetry to investigate the efficacy of the device in maintaining transcutaneous gas tensions of the tissue as close to baseline as possible.
Methods: oximetry electrodes were attached to participants' ischial tuberosity and greater trochanter for different amounts of lateral pressure. The amount of lateral pressure is a given percentage of the pressure due to the participants’ underbody pressure.
Results: the results show that 50 % lateral pressure is sufficient to produce an improvement in participants’ gas tensions at their ischial tuberosity, without negatively impacting the tissue at their greater trochanter, relative to the control of sitting with no application of lateral pressure.
Conclusion: despite a rudimentary prototype device design, and that participants each placed their own oximetry sensors, results support the application of lateral pressure as a method to maintain transcutaneous gas tensions. Further work should be carried out on a larger sample to consolidate these findings.
Text
1-s2.0-S0965206X24001281-main
- Version of Record
More information
Accepted/In Press date: 21 July 2024
e-pub ahead of print date: 23 August 2024
Keywords:
Lateral pressure, Oximetry, Pressure ulcer prevention, Transcutaneous gas tension
Identifiers
Local EPrints ID: 494396
URI: http://eprints.soton.ac.uk/id/eprint/494396
ISSN: 0965-206X
PURE UUID: 008e09b4-7f27-453b-9e4c-5c329f1b7569
Catalogue record
Date deposited: 07 Oct 2024 17:10
Last modified: 08 Oct 2024 02:02
Export record
Altmetrics
Contributors
Author:
Maegan Spiteri
Author:
Colin Boyle
Author:
Alexandros Christou
Author:
Louise Savine
Author:
Spyros Masouros
Download statistics
Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.
View more statistics
