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Article: A biphasic poroelastic analysis of the flow dependent subcutaneous tissue pressure and compaction due to epidermal loadings: Issues in pressure sore

TitleA biphasic poroelastic analysis of the flow dependent subcutaneous tissue pressure and compaction due to epidermal loadings: Issues in pressure sore
Authors
Issue Date1994
Citation
Journal Of Biomechanical Engineering, 1994, v. 116 n. 4, p. 421-429 How to Cite?
AbstractA layer of skin and subcutaneous tissue on a bony substratum was modeled as a homogeneous layer of biphasic poroelastic material with uniform thickness. The epidermal surface and the bony interface were taken to be impervious. The soft tissue on the bony interface was assumed either fully adhered or completely free to slide on the bone. The cases for surface pressure loadings and displacement controlled indentations were simulated. The resultant biomechanical responses of the layer, including the transient tissue hydrostatic pressure and the tissue compaction, were presented. A new hypothesis is offered to interpret the threshold pressure-time curve for pressure sores in term of the time required for a particular area in the tissue layer to reach a critical compaction for a given level of applied pressure. | A layer of skin and subcutaneous tissue on a bony substratum was modeled as a homogeneous layer of biphasic poroelastic material with uniform thickness. The epidermal surface and the bony interface were taken to be impervious. The soft tissue on the bony interface was assumed either fully adhered or completely free to slide on the bone. The cases for surface pressure loadings and displacement controlled indentations were simulated. The resultant biomechanical responses of the layer, including the transient tissue hydrostatic pressure and the tissue compaction, were presented. A new hypothesis is offered to interpret the threshold pressure-time curve for pressure sores in term of the time required for a particular area in the tissue layer to reach a critical compaction for a given level of applied pressure.
Persistent Identifierhttp://hdl.handle.net/10722/156411
ISSN
2015 Impact Factor: 1.747
2015 SCImago Journal Rankings: 0.720
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorMak, AFTen_US
dc.contributor.authorHuang, Len_US
dc.contributor.authorWang, Qen_US
dc.date.accessioned2012-08-08T08:42:19Z-
dc.date.available2012-08-08T08:42:19Z-
dc.date.issued1994en_US
dc.identifier.citationJournal Of Biomechanical Engineering, 1994, v. 116 n. 4, p. 421-429en_US
dc.identifier.issn0148-0731en_US
dc.identifier.urihttp://hdl.handle.net/10722/156411-
dc.description.abstractA layer of skin and subcutaneous tissue on a bony substratum was modeled as a homogeneous layer of biphasic poroelastic material with uniform thickness. The epidermal surface and the bony interface were taken to be impervious. The soft tissue on the bony interface was assumed either fully adhered or completely free to slide on the bone. The cases for surface pressure loadings and displacement controlled indentations were simulated. The resultant biomechanical responses of the layer, including the transient tissue hydrostatic pressure and the tissue compaction, were presented. A new hypothesis is offered to interpret the threshold pressure-time curve for pressure sores in term of the time required for a particular area in the tissue layer to reach a critical compaction for a given level of applied pressure. | A layer of skin and subcutaneous tissue on a bony substratum was modeled as a homogeneous layer of biphasic poroelastic material with uniform thickness. The epidermal surface and the bony interface were taken to be impervious. The soft tissue on the bony interface was assumed either fully adhered or completely free to slide on the bone. The cases for surface pressure loadings and displacement controlled indentations were simulated. The resultant biomechanical responses of the layer, including the transient tissue hydrostatic pressure and the tissue compaction, were presented. A new hypothesis is offered to interpret the threshold pressure-time curve for pressure sores in term of the time required for a particular area in the tissue layer to reach a critical compaction for a given level of applied pressure.en_US
dc.languageengen_US
dc.relation.ispartofJournal of Biomechanical Engineeringen_US
dc.subject.meshBiomechanicsen_US
dc.subject.meshConnective Tissue - Physiopathologyen_US
dc.subject.meshElasticityen_US
dc.subject.meshHumansen_US
dc.subject.meshHydrostatic Pressureen_US
dc.subject.meshModels, Biologicalen_US
dc.subject.meshPermeabilityen_US
dc.subject.meshPressure Ulcer - Physiopathologyen_US
dc.subject.meshRheologyen_US
dc.subject.meshSkin - Physiopathologyen_US
dc.subject.meshSurface Propertiesen_US
dc.subject.meshTime Factorsen_US
dc.titleA biphasic poroelastic analysis of the flow dependent subcutaneous tissue pressure and compaction due to epidermal loadings: Issues in pressure soreen_US
dc.typeArticleen_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.pmid7869718en_US
dc.identifier.scopuseid_2-s2.0-0028533834en_US
dc.identifier.volume116en_US
dc.identifier.issue4en_US
dc.identifier.spage421en_US
dc.identifier.epage429en_US
dc.identifier.isiWOS:A1994PW30100007-
dc.publisher.placeUnited Statesen_US

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