The mechanism of persistent undermining of a sacral pressure ulcer: Experimental analyses using a deformable model and examination of skin mobility over different anatomical locations.
Undermining is an important issue in the treatment and care of deep pressure ulcers. The frequency of the undermining over different bony prominences varies. In particular, deep pressure ulcers over the sacrum exhibit undermining more frequently than those occurring over the heel. Although shear for...
| Publicado en: | Journal of Tissue Viability Vol. 29; no. 2; pp. 130 - 135 |
|---|---|
| Autores principales: | , , , , , |
| Formato: | research tables/charts Journal Article |
| Publicado: |
Elsevier B.V.
May2020
|
| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=142853445&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 142853445 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 0965206X YZQ jtl: Journal of Tissue Viability issn: 0965206X maglogo: N pubinfo: dt: May2020 vid: 29 iid: 2 pid: 467 pub: Elsevier B.V. place: New York, New York artinfo: ui: 142853445 142853445 142853445 10.1016/j.jtv.2020.03.001 142853445 ppf: 130 ppct: 5 formats: tig: atl: The mechanism of persistent undermining of a sacral pressure ulcer: Experimental analyses using a deformable model and examination of skin mobility over different anatomical locations. aug: au: Tanaka, Makiko Takahashi, Yoshiko Hasegawa, Keiko Ito, Yasumi Nemoto, Tetsuya Isogai, Zenzo affil: Graduate Division of Health and Welfare, Department of Nursing and Human Nutrition, Yamaguchi Prefectural University, Yamaguchi, Japan sug: subj: Sacrum Pathology Pressure Ulcer Physiopathology Skin Physiology Evaluation Models, Structural Human Funding Source Japan Skin Tests Aged Aged, 80 and Over Descriptive Statistics Calcaneus Heel Palpation Skin Physiopathology Experimental Studies Aged: 65+ years Aged, 80 & over ab: Undermining is an important issue in the treatment and care of deep pressure ulcers. The frequency of the undermining over different bony prominences varies. In particular, deep pressure ulcers over the sacrum exhibit undermining more frequently than those occurring over the heel. Although shear force has been suggested as a critical factor in undermining, the exact mechanism remains unclear due to ethical and technical reasons in clinical practice. To clarify this issue, a deformable model was constructed to recreate the physical and morphological properties of a pressure ulcer with persistent undermining. The model was constructed using urethane to recreate the physical properties of a pressure ulcer. To examine the clinical relevance of the model, mechanical properties of the skin and the model were measured using a durometer. The model was further mounted onto a phantom that was laid on a bed. Backrest elevation of the bed induced deformities in the urethane model, suggesting a mechanism of persistent undermining of the sacral pressure ulcer. Moreover, a simple palpation examination in elderly volunteers revealed that the skin over the sacrum was more mobile than the skin over the heel. Therefore, persistent undermining is likely caused by specific external forces and the characteristic skin mobility of the sacral region. These two different factors explain the frequent undermining that occurs in sacral pressure ulcers. • Undermining is an important and unresolved issue for pressure ulcers. • A deformable model of pressure ulcers was mounted onto a phantom. • The elevation of the bed backrest induced deformities in the model. • Simple palpation revealed enhanced mobility of the skin over the sacrum. • This phenomenon is explained by wound deformity by specific forces and mobility. pubtype: Academic Journal doctype: research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
|---|