Analysis of healthy sitting behavior: Interface pressure distribution and subcutaneous tissue oxygenation

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Abstract

Pressure ulcers are a large problem in individuals who use a wheelchair for their mobility and have limited trunk stability and motor function. Because no relation between interface pressure and pressure ulcer development has been established and no clinical threshold for pressure ulcer development can be given, looking at the sitting behavior of nondisabled individuals is important. Nondisabled individuals do not develop pressure ulcers because they continuously shift posture. We analyzed the sitting behavior of 25 nondisabled male subjects by using a combination of interface pressure measurement and subcutaneous tissue oxygenation measurement by means of the Oxygen to See. These subjects shifted posture on average 7.8 +/- 5.2 times an hour. These posture shifts were merely a combination of posture shifts in the frontal and sagittal plane. Subcutaneous oxygen saturation increased on average 2.2% with each posture adjustment, indicating a positive effect of posture shifts on tissue viability. The results of this study can be used as a reference for seating interventions aimed at preventing pressure ulcers. Changing the sitting load at least every 8 minutes is recommended for wheelchair users.
Original languageUndefined
Pages (from-to)577-586
Number of pages10
JournalJournal of rehabilitation research and development
Volume46
Issue number5
DOIs
Publication statusPublished - 2009

Keywords

  • Seating intervention
  • Dynamic sitting
  • Recommendation
  • posture shift
  • interface pressure measurement
  • IR-68523
  • tissue viability
  • pressure ulcer
  • sitting behavior
  • wheelchair seating
  • METIS-262194
  • tissue oxygenation

Cite this

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title = "Analysis of healthy sitting behavior: Interface pressure distribution and subcutaneous tissue oxygenation",
abstract = "Pressure ulcers are a large problem in individuals who use a wheelchair for their mobility and have limited trunk stability and motor function. Because no relation between interface pressure and pressure ulcer development has been established and no clinical threshold for pressure ulcer development can be given, looking at the sitting behavior of nondisabled individuals is important. Nondisabled individuals do not develop pressure ulcers because they continuously shift posture. We analyzed the sitting behavior of 25 nondisabled male subjects by using a combination of interface pressure measurement and subcutaneous tissue oxygenation measurement by means of the Oxygen to See. These subjects shifted posture on average 7.8 +/- 5.2 times an hour. These posture shifts were merely a combination of posture shifts in the frontal and sagittal plane. Subcutaneous oxygen saturation increased on average 2.2{\%} with each posture adjustment, indicating a positive effect of posture shifts on tissue viability. The results of this study can be used as a reference for seating interventions aimed at preventing pressure ulcers. Changing the sitting load at least every 8 minutes is recommended for wheelchair users.",
keywords = "Seating intervention, Dynamic sitting, Recommendation, posture shift, interface pressure measurement, IR-68523, tissue viability, pressure ulcer, sitting behavior, wheelchair seating, METIS-262194, tissue oxygenation",
author = "Jasper Reenalda and {van Geffen}, P. and Nederhand, {Marcus Johannes} and M.J.A. Jannink and IJzerman, {Maarten Joost} and Rietman, {Johan Swanik}",
year = "2009",
doi = "10.1682/JRRD.2008.12.0164",
language = "Undefined",
volume = "46",
pages = "577--586",
journal = "Journal of rehabilitation research and development",
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TY - JOUR

T1 - Analysis of healthy sitting behavior: Interface pressure distribution and subcutaneous tissue oxygenation

AU - Reenalda, Jasper

AU - van Geffen, P.

AU - Nederhand, Marcus Johannes

AU - Jannink, M.J.A.

AU - IJzerman, Maarten Joost

AU - Rietman, Johan Swanik

PY - 2009

Y1 - 2009

N2 - Pressure ulcers are a large problem in individuals who use a wheelchair for their mobility and have limited trunk stability and motor function. Because no relation between interface pressure and pressure ulcer development has been established and no clinical threshold for pressure ulcer development can be given, looking at the sitting behavior of nondisabled individuals is important. Nondisabled individuals do not develop pressure ulcers because they continuously shift posture. We analyzed the sitting behavior of 25 nondisabled male subjects by using a combination of interface pressure measurement and subcutaneous tissue oxygenation measurement by means of the Oxygen to See. These subjects shifted posture on average 7.8 +/- 5.2 times an hour. These posture shifts were merely a combination of posture shifts in the frontal and sagittal plane. Subcutaneous oxygen saturation increased on average 2.2% with each posture adjustment, indicating a positive effect of posture shifts on tissue viability. The results of this study can be used as a reference for seating interventions aimed at preventing pressure ulcers. Changing the sitting load at least every 8 minutes is recommended for wheelchair users.

AB - Pressure ulcers are a large problem in individuals who use a wheelchair for their mobility and have limited trunk stability and motor function. Because no relation between interface pressure and pressure ulcer development has been established and no clinical threshold for pressure ulcer development can be given, looking at the sitting behavior of nondisabled individuals is important. Nondisabled individuals do not develop pressure ulcers because they continuously shift posture. We analyzed the sitting behavior of 25 nondisabled male subjects by using a combination of interface pressure measurement and subcutaneous tissue oxygenation measurement by means of the Oxygen to See. These subjects shifted posture on average 7.8 +/- 5.2 times an hour. These posture shifts were merely a combination of posture shifts in the frontal and sagittal plane. Subcutaneous oxygen saturation increased on average 2.2% with each posture adjustment, indicating a positive effect of posture shifts on tissue viability. The results of this study can be used as a reference for seating interventions aimed at preventing pressure ulcers. Changing the sitting load at least every 8 minutes is recommended for wheelchair users.

KW - Seating intervention

KW - Dynamic sitting

KW - Recommendation

KW - posture shift

KW - interface pressure measurement

KW - IR-68523

KW - tissue viability

KW - pressure ulcer

KW - sitting behavior

KW - wheelchair seating

KW - METIS-262194

KW - tissue oxygenation

U2 - 10.1682/JRRD.2008.12.0164

DO - 10.1682/JRRD.2008.12.0164

M3 - Article

VL - 46

SP - 577

EP - 586

JO - Journal of rehabilitation research and development

JF - Journal of rehabilitation research and development

SN - 0748-7711

IS - 5

ER -