{"id":23770,"date":"2020-05-19T15:42:33","date_gmt":"2020-05-19T15:42:33","guid":{"rendered":"https:\/\/www.medstrom.com\/solution\/the-science-of-surfaces-series-part-2\/"},"modified":"2026-03-23T18:23:29","modified_gmt":"2026-03-23T18:23:29","slug":"the-science-of-surfaces-series-part-2","status":"publish","type":"solution","link":"https:\/\/www.medstrom.com\/it\/solution\/the-science-of-surfaces-series-part-2\/","title":{"rendered":"Parte 2: La Scienza delle Superfici \u2013 Serie"},"content":{"rendered":"
Parte 2: Come si formano le ulcere da pressione?\u00a0<\/span><\/h5>\n
Pressione\u00a0<\/span><\/h5>\n

Le ulcere da pressione sono causate dal deterioramento localizzato dei tessuti molli dovuto alla compressione tra una prominenza ossea e una superficie esterna, come un materasso, una sedia o un dispositivo medico\u00b9.
\nLa pressione \u00e8 il risultato di una forza verticale esercitata su una superficie. Quando la pressione rimane costante, il tessuto molle tende a modellarsi per adattarsi alla forma esterna\u00b2. Questo pu\u00f2 ridurre la pressione in alcuni punti, ma allo stesso tempo pu\u00f2 diminuire l\u2019apporto vascolare all\u2019area compromessa\u00b2.
\nLe zone pi\u00f9 soggette allo sviluppo di ulcere da pressione sono le prominenze ossee, come anche i fianchi, i talloni, i gomiti e le caviglie, poich\u00e9 presentano uno strato molto sottile di tessuto molle a protezione\u00b3.<\/p>\n

L\u2019effetto della pressione \u00e8 direttamente proporzionale al peso corporeo: pi\u00f9 a lungo una parte del corpo rimane a contatto continuo con una superficie, pi\u00f9 aumenta il rischio di ischemia (apporto sanguigno insufficiente)\u2074.
\nPer ridurre la pressione \u00e8 fondamentale redistribuire la forza del corpo sulla pi\u00f9 ampia superficie possibile. Per ottenere una maggiore area di contatto, \u00e8 importante considerare i concetti di immersione e avvolgimento (envelopment).<\/p>\n

Immersione: profondit\u00e0 con cui il corpo affonda nella superficie.
\nAvvolgimento: capacit\u00e0 della superficie di adattarsi alla forma del corpo.<\/p>\n

Secondo NICE (2015)\u2075, i dispositivi per la ridistribuzione della pressione funzionano riducendo o distribuendo diversamente pressione, attrito e forze di taglio. Questi dispositivi dovrebbero essere utilizzati il prima possibile per supportare la prevenzione delle ulcere da pressione.
\nPer pazienti molto complessi e ad alto rischio, la simulazione dell\u2019immersione fluidizzata \u00e8 un’opzione da considerare, poich\u00e9 consente un\u2019immersione e un avvolgimento completi, riducendo in modo sostanziale pressione, forze di taglio e deformazione dei tessuti. In questo modo si pu\u00f2 prevenire l\u2019ischemia, mantenere la simmetria dei tessuti e minimizzare l\u2019occlusione vascolare.<\/p>\n

Clicca qui per la parte 3 della serie<\/a>, dedicata alle forze di taglio e all\u2019attrito.<\/p>\n

Oppure consulta gli altri contenuti della serie:<\/p>\n

Parte 1: Come si formano le ulcere da pressione?<\/a><\/p>\n

Parte 2: Pressione<\/a><\/p>\n

Riferimenti\u00a0<\/span><\/h5>\n
1. Grey J. (2006) ABC of wound healing: Pressure ulcers. The British Medical Journal. <\/em>332<\/h6>\n
2. Bhattachrya S. and Mishra R. (2015) Pressure ulcers: Current understanding and newer modalities of treatment. Indian Journal of Plastic Surgery. <\/em>48(1):4-16.<\/h6>\n
3. <\/strong>https:\/\/www.nursingtimes.net\/archive\/part-1-causes-of-pressure-ulcers-14-03-2002\/<\/strong><\/a><\/h6>\n
4. Agrawal K. and Chauhan N. (2012) Pressure ulcers: Back to basics. Indian Journal of Plastic Surgery. <\/em>45(2): 244-254.<\/h6>\n
5. National Institute for Health and Care Excellence (2015) Pressure Ulcers.<\/em> Available from: Pressure ulcers (nice.org.uk)<\/a> (Accessed 2nd<\/sup> February 2021)<\/h6>\n","protected":false},"author":23,"featured_media":4315,"template":"","clinical_education":[401,406,403,419,404],"class_list":["post-23770","solution","type-solution","status-publish","has-post-thumbnail","hentry","clinical_education-cure-acute","clinical_education-assistenza-paziente-plus-size","clinical_education-assistenza-territoriale-e-a-lungo-termine","clinical_education-rsa-residenze-sanitarie-assistenziali","clinical_education-cure-palliative-assistenza-paziente"],"acf":[],"yoast_head":"\nThe Science of Surfaces \u2013 Parte 2: Il Ruolo della Pressione - Medstrom<\/title>\n<meta name=\"description\" content=\"Scopri come la pressione contribuisce alla formazione delle ulcere da pressione e quali strategie aiutano a ridurre il rischio nei pazienti fragili.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.medstrom.com\/it\/solution\/the-science-of-surfaces-series-part-2\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Science of Surfaces \u2013 Parte 2: Il Ruolo della Pressione - 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