| Measuring the effect of incremental angles of wheelchair tilt on interface pressure among individuals with spinal cord injury. | |
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MedLine Citation:
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PMID: 21242997 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Study design:This study was a repeated measures study.Objectives:The objective was to systematically measure the relative reduction in interface pressure (IP) at the ischial tuberosities (IT) and sacrum through 10° increments of tilt in a manual wheelchair among individuals with motor complete spinal cord injury (SCI).Setting:This study was carried out in Manitoba, Canada.Methods:A total of 18 adults with ASIA A or B level of injury were recruited through an out-patient SCI clinic. Using a standardized protocol, participants were tilted in 10° increments between 0° and 50°, and IP readings were obtained at the IT and sacrum using pressure mapping technology. Relative pressure reduction from baseline was calculated and compared between tilt angles.Results:Tilt angle had a highly significant effect on pressure reduction at the IT (P=0.000) and the cosine relationship between these variables was expressed as quadratic. Reduction in sacral pressure did not occur until 30° tilt, with increased loading at smaller tilt angles. Pressure reduction at the IT and sacrum was not significantly different for tetraplegic and paraplegic participants.Conclusion:Small tilt angles are more suitable for postural control than pressure management. A minimum tilt of 30° is required to initiate unloading the sacrum and to achieve a clinically important reduction in pressure at the IT. Larger tilt angles resulted in more substantial pressure reduction than previously reported. Tilt-in-space appears to have similar benefits for individuals with paraplegia and tetraplegia.Spinal Cord advance online publication, 18 January 2011; doi:10.1038/sc.2010.194. |
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Authors:
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E M Giesbrecht; K D Ethans; D Staley |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-1-18 |
Journal Detail:
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Title: Spinal cord : the official journal of the International Medical Society of Paraplegia Volume: - ISSN: 1476-5624 ISO Abbreviation: - Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-1-18 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9609749 Medline TA: Spinal Cord Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Occupational Therapy, University of Manitoba, Winnipeg, Manitoba, Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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