Impact of sitting time on seat-interface pressure and on pressure mapping with multiple sclerosis patients

SA Crawford, May Stinson, Deirdre Walsh, Alison Porter-Armstrong

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Objective: To examine changes in seat-interface pressure with multiple sclerosis (MS) patients. Design: Case series. Setting: Multiple Sclerosis Society's Resource Centre and community. Participants: Convenience sample of 15 MS wheelchair users and 12 MS non-wheelchair users. Intervention: Interface pressure was measured for 8 minutes using the Force Sensing Array pressure mapping system. Main Outcome Measures: Number of activated sensors, standard deviation, average and maximum pressures. Results: With the wheelchair users, significant decreases were found in the standard deviation and average and maximum pressures during 0 to 2 minutes of sitting (P <.01). Average pressure was the only parameter to show a significant decrease in the non-wheelchair users (P <.01) during 0 to 2 minutes. Significant increases were found in all output parameters during 2 to 4 minutes with both groups (P <.05). Non-wheelchair users showed no significant changes in the output parameters after 4 minutes, but wheelchair users showed significant continued increases in the output parameters from 4 to 8 minutes (P <.05).
LanguageEnglish
Pages1221-1225
JournalArchives of Physical Medicine and Rehabilitation
Volume86
Issue number6
DOIs
Publication statusPublished - Jun 2005

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Multiple Sclerosis
Pressure
Wheelchairs
Outcome Assessment (Health Care)

Keywords

  • multiple sclerosis
  • pressure ulcers
  • rehabilitation
  • technology
  • medical

Cite this

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title = "Impact of sitting time on seat-interface pressure and on pressure mapping with multiple sclerosis patients",
abstract = "Objective: To examine changes in seat-interface pressure with multiple sclerosis (MS) patients. Design: Case series. Setting: Multiple Sclerosis Society's Resource Centre and community. Participants: Convenience sample of 15 MS wheelchair users and 12 MS non-wheelchair users. Intervention: Interface pressure was measured for 8 minutes using the Force Sensing Array pressure mapping system. Main Outcome Measures: Number of activated sensors, standard deviation, average and maximum pressures. Results: With the wheelchair users, significant decreases were found in the standard deviation and average and maximum pressures during 0 to 2 minutes of sitting (P <.01). Average pressure was the only parameter to show a significant decrease in the non-wheelchair users (P <.01) during 0 to 2 minutes. Significant increases were found in all output parameters during 2 to 4 minutes with both groups (P <.05). Non-wheelchair users showed no significant changes in the output parameters after 4 minutes, but wheelchair users showed significant continued increases in the output parameters from 4 to 8 minutes (P <.05).",
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T1 - Impact of sitting time on seat-interface pressure and on pressure mapping with multiple sclerosis patients

AU - Crawford, SA

AU - Stinson, May

AU - Walsh, Deirdre

AU - Porter-Armstrong, Alison

N1 - Annual Meeting of the Rehabilitation-Engineering-and-Assistive-Technology-Society-of-North-Ame rica, Atlanta, GA, JUN, 2003

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N2 - Objective: To examine changes in seat-interface pressure with multiple sclerosis (MS) patients. Design: Case series. Setting: Multiple Sclerosis Society's Resource Centre and community. Participants: Convenience sample of 15 MS wheelchair users and 12 MS non-wheelchair users. Intervention: Interface pressure was measured for 8 minutes using the Force Sensing Array pressure mapping system. Main Outcome Measures: Number of activated sensors, standard deviation, average and maximum pressures. Results: With the wheelchair users, significant decreases were found in the standard deviation and average and maximum pressures during 0 to 2 minutes of sitting (P <.01). Average pressure was the only parameter to show a significant decrease in the non-wheelchair users (P <.01) during 0 to 2 minutes. Significant increases were found in all output parameters during 2 to 4 minutes with both groups (P <.05). Non-wheelchair users showed no significant changes in the output parameters after 4 minutes, but wheelchair users showed significant continued increases in the output parameters from 4 to 8 minutes (P <.05).

AB - Objective: To examine changes in seat-interface pressure with multiple sclerosis (MS) patients. Design: Case series. Setting: Multiple Sclerosis Society's Resource Centre and community. Participants: Convenience sample of 15 MS wheelchair users and 12 MS non-wheelchair users. Intervention: Interface pressure was measured for 8 minutes using the Force Sensing Array pressure mapping system. Main Outcome Measures: Number of activated sensors, standard deviation, average and maximum pressures. Results: With the wheelchair users, significant decreases were found in the standard deviation and average and maximum pressures during 0 to 2 minutes of sitting (P <.01). Average pressure was the only parameter to show a significant decrease in the non-wheelchair users (P <.01) during 0 to 2 minutes. Significant increases were found in all output parameters during 2 to 4 minutes with both groups (P <.05). Non-wheelchair users showed no significant changes in the output parameters after 4 minutes, but wheelchair users showed significant continued increases in the output parameters from 4 to 8 minutes (P <.05).

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KW - pressure ulcers

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