Evaluation of a new sitting concept designed for prevention of pressure ulcer on the buttock using finite element analysis
Excessive compressive load induces pressure related soft tissue damage, i.e. pressure ulcer (PU), in buttock area in wheelchair users. In solving this problem, our previous study has introduced a concept of Off-Loading sitting, which partially removes the ischial support to reduce pressure under but...
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| Veröffentlicht in: | Medical & biological engineering & computing 2007-11, Vol.45 (11), p.1079-1084 |
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| creator | Lim, Dohyung Lin, Fang Hendrix, Ronald W Moran, Brian Fasanati, Charles Makhsous, Mohsen |
| description | Excessive compressive load induces pressure related soft tissue damage, i.e. pressure ulcer (PU), in buttock area in wheelchair users. In solving this problem, our previous study has introduced a concept of Off-Loading sitting, which partially removes the ischial support to reduce pressure under buttocks. However, the effect of this sitting concept has only been evaluated using the interface pressure and tissue perfusion measurements. The objective of this investigation was to evaluate the Off-Loading posture for its ability to reduce internal pressure and stress in deep buttock tissues. This evaluation was performed on a 3D finite element (FE) model which was established and validated in a sitting posture and has realistic material properties and boundary conditions. FE analysis in this study confirmed that the pressure relief provided by Off-Loading posture created profound effect in reducing the mechanical stress within deep tissues. It was concluded that Off-Loading posture may prove beneficial in preventing sitting related PU. |
| doi_str_mv | 10.1007/s11517-007-0261-3 |
| format | Article |
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In solving this problem, our previous study has introduced a concept of Off-Loading sitting, which partially removes the ischial support to reduce pressure under buttocks. However, the effect of this sitting concept has only been evaluated using the interface pressure and tissue perfusion measurements. The objective of this investigation was to evaluate the Off-Loading posture for its ability to reduce internal pressure and stress in deep buttock tissues. This evaluation was performed on a 3D finite element (FE) model which was established and validated in a sitting posture and has realistic material properties and boundary conditions. FE analysis in this study confirmed that the pressure relief provided by Off-Loading posture created profound effect in reducing the mechanical stress within deep tissues. It was concluded that Off-Loading posture may prove beneficial in preventing sitting related PU.</description><identifier>ISSN: 0140-0118</identifier><identifier>EISSN: 1741-0444</identifier><identifier>DOI: 10.1007/s11517-007-0261-3</identifier><identifier>PMID: 17922158</identifier><language>eng</language><publisher>United States: Springer Nature B.V</publisher><subject>Buttocks - physiopathology ; Finite Element Analysis ; Finite element method ; Humans ; Mathematical analysis ; Models, Biological ; Posture ; Pressure Ulcer - physiopathology ; Pressure Ulcer - prevention & control ; Pressure ulcers ; Soft tissues ; Stress, Mechanical ; Stresses ; Three dimensional ; Ulcers ; Weight-Bearing ; Wheelchairs</subject><ispartof>Medical & biological engineering & computing, 2007-11, Vol.45 (11), p.1079-1084</ispartof><rights>International Federation for Medical and Biological Engineering 2007</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c555t-db2ccc98a54bc47f1337b631e683b1db40fc7bcd39951a447d8fd79e638fb0473</citedby><cites>FETCH-LOGICAL-c555t-db2ccc98a54bc47f1337b631e683b1db40fc7bcd39951a447d8fd79e638fb0473</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17922158$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lim, Dohyung</creatorcontrib><creatorcontrib>Lin, Fang</creatorcontrib><creatorcontrib>Hendrix, Ronald W</creatorcontrib><creatorcontrib>Moran, Brian</creatorcontrib><creatorcontrib>Fasanati, Charles</creatorcontrib><creatorcontrib>Makhsous, Mohsen</creatorcontrib><title>Evaluation of a new sitting concept designed for prevention of pressure ulcer on the buttock using finite element analysis</title><title>Medical & biological engineering & computing</title><addtitle>Med Biol Eng Comput</addtitle><description>Excessive compressive load induces pressure related soft tissue damage, i.e. pressure ulcer (PU), in buttock area in wheelchair users. In solving this problem, our previous study has introduced a concept of Off-Loading sitting, which partially removes the ischial support to reduce pressure under buttocks. However, the effect of this sitting concept has only been evaluated using the interface pressure and tissue perfusion measurements. The objective of this investigation was to evaluate the Off-Loading posture for its ability to reduce internal pressure and stress in deep buttock tissues. This evaluation was performed on a 3D finite element (FE) model which was established and validated in a sitting posture and has realistic material properties and boundary conditions. FE analysis in this study confirmed that the pressure relief provided by Off-Loading posture created profound effect in reducing the mechanical stress within deep tissues. It was concluded that Off-Loading posture may prove beneficial in preventing sitting related PU.</description><subject>Buttocks - physiopathology</subject><subject>Finite Element Analysis</subject><subject>Finite element method</subject><subject>Humans</subject><subject>Mathematical analysis</subject><subject>Models, Biological</subject><subject>Posture</subject><subject>Pressure Ulcer - physiopathology</subject><subject>Pressure Ulcer - prevention & control</subject><subject>Pressure ulcers</subject><subject>Soft tissues</subject><subject>Stress, Mechanical</subject><subject>Stresses</subject><subject>Three 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Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lim, Dohyung</au><au>Lin, Fang</au><au>Hendrix, Ronald W</au><au>Moran, Brian</au><au>Fasanati, Charles</au><au>Makhsous, Mohsen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of a new sitting concept designed for prevention of pressure ulcer on the buttock using finite element analysis</atitle><jtitle>Medical & biological engineering & computing</jtitle><addtitle>Med Biol Eng Comput</addtitle><date>2007-11-01</date><risdate>2007</risdate><volume>45</volume><issue>11</issue><spage>1079</spage><epage>1084</epage><pages>1079-1084</pages><issn>0140-0118</issn><eissn>1741-0444</eissn><abstract>Excessive compressive load induces pressure related soft tissue damage, i.e. pressure ulcer (PU), in buttock area in wheelchair users. In solving this problem, our previous study has introduced a concept of Off-Loading sitting, which partially removes the ischial support to reduce pressure under buttocks. However, the effect of this sitting concept has only been evaluated using the interface pressure and tissue perfusion measurements. The objective of this investigation was to evaluate the Off-Loading posture for its ability to reduce internal pressure and stress in deep buttock tissues. This evaluation was performed on a 3D finite element (FE) model which was established and validated in a sitting posture and has realistic material properties and boundary conditions. FE analysis in this study confirmed that the pressure relief provided by Off-Loading posture created profound effect in reducing the mechanical stress within deep tissues. It was concluded that Off-Loading posture may prove beneficial in preventing sitting related PU.</abstract><cop>United States</cop><pub>Springer Nature B.V</pub><pmid>17922158</pmid><doi>10.1007/s11517-007-0261-3</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0140-0118 |
| ispartof | Medical & biological engineering & computing, 2007-11, Vol.45 (11), p.1079-1084 |
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| source | MEDLINE; Springer Nature - Complete Springer Journals; EBSCOhost Business Source Complete |
| subjects | Buttocks - physiopathology Finite Element Analysis Finite element method Humans Mathematical analysis Models, Biological Posture Pressure Ulcer - physiopathology Pressure Ulcer - prevention & control Pressure ulcers Soft tissues Stress, Mechanical Stresses Three dimensional Ulcers Weight-Bearing Wheelchairs |
| title | Evaluation of a new sitting concept designed for prevention of pressure ulcer on the buttock using finite element analysis |
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