1. Hemostaza<\/strong><\/p>\n\n\n\nConstituie r\u0103spunsul fiziologic care \u00eencepe imediat dup\u0103 o v\u0103t\u0103mare. Hemostaza are loc prin combinarea vasoconstric\u021biei, pentru a \u00eempiedica pierderea de s\u00e2nge, cu eliberarea factorilor coagulan\u021bi care se constituie ca o barier\u0103 antibacterian\u0103 \u0219i ca un cadru pentru migrarea celulelor.<\/p>\n\n\n\n
\u00cenainte de finalizarea hemostazei, fibrina formeaz\u0103 o re\u021bea care \u201eprinde\u201d celulele sanguine. Similar, factorii coagulan\u021bi astup\u0103 vasele sanguine, marginile pl\u0103gii fiind trase, una c\u0103tre cealalt\u0103.<\/p>\n\n\n\n
Nu toate pl\u0103gile parcurg aceast\u0103 faz\u0103 a vindec\u0103rii. Multe pl\u0103gi cronice, cum ar fi escarele de decubit, sunt cauzate de furnizarea unei cantit\u0103\u021bi sc\u0103zute de s\u00e2nge c\u0103tre \u021besuturi, care are ca rezultat apari\u021bia \u021besuturilor moarte, din cauza ischemiei; nu toate pl\u0103gile prezint\u0103 afectarea vaselor sanguine.<\/p>\n\n\n\n
2. Faza inflamatorie<\/strong><\/p>\n\n\n\nOrganismul r\u0103spunde rapid la orice distrugere a suprafe\u021bei pielii; vasele de s\u00e2nge se contract\u0103 pentru a controla s\u00e2ngerarea. \u00cen general, aceast\u0103 faz\u0103 dureaz\u0103 \u00eentre 1 \u2013 4 zile.<\/p>\n\n\n\n
Inflama\u021bia se poate petrece local, manifest\u00e2nd-se prin c\u0103ldura, umfl\u0103turi, eritem, disconfort \u0219i tulburarea func\u021bional\u0103. Aceste semne ale inflama\u021biei nu trebuie confundate cu cele ale infec\u021biei.<\/p>\n\n\n\n
Exudatul din plag\u0103 este produs \u00een timpul fazei inflamatorii a vindec\u0103rii \u0219i, \u00een cazul unei pl\u0103gi \u201ecurate\u201d, con\u021bine mai multe substan\u021be care sunt vitale vindec\u0103rii, cum ar fi: neutrofile, macrofage, limfocite \u0219i factori de cre\u0219tere. De\u0219i prezen\u021ba exudatului este vital\u0103 pentru o vindecare normal\u0103, acesta poate totu\u0219i afecta pielea peri-lezional\u0103 (intact\u0103) \u0219i trebuie s\u0103 fie controlat eficient, pentru a preveni ulterioarele complica\u021bii.<\/p>\n\n\n\n
3. Faza de granula\u021bie (proliferativ\u0103)<\/strong><\/p>\n\n\n\nAceast\u0103 faz\u0103 \u00eencepe la aproximativ 3 \u2013 4 zile de la producerea v\u0103t\u0103m\u0103rii \u0219i dureaz\u0103 \u00eentre 1 \u2013 10 zile.<\/p>\n\n\n\n
Contrac\u021bia pl\u0103gii este un aspect important al fazei de granula\u021bie \u0219i, \u00een condi\u021bii normale, apare aproximativ in a cincea zi dup\u0103 v\u0103t\u0103mare. Mecanismul exact al contrac\u021biei pl\u0103gii nu este cunoscut, dar activitatea fibroblastelor, miofibroblastelor, colagenului \u0219i elastinei este implicat\u0103 \u00een contrac\u021bie, care const\u0103 \u00een apropierea marginilor pl\u0103gii – apare \u021besutul de granula\u021bie care astup\u0103 pierderile de \u021besut din plag\u0103 \u0219i continu\u0103 s\u0103 se dezvolte p\u00e2n\u0103 la \u00eenchiderea pl\u0103gii. Aceast\u0103 faz\u0103 este mult mai important\u0103 \u00een cazul pl\u0103gilor care prezint\u0103 mari pierderi de \u021besut.<\/p>\n\n\n\n
4. Faza de epitelizare<\/strong><\/p>\n\n\n\nAceast\u0103 faz\u0103 dureaz\u0103 \u00eentre 3 \u2013 30 zile, \u00eens\u0103 \u00een cazul pl\u0103gilor cronice, aceasta faz\u0103 se poate \u00eentinde pe o durat\u0103 mai mare. Celulele epiteliale migreaz\u0103 peste \u021besutul de granula\u021bie, \u00eencep\u00e2nd de la marginile pl\u0103gii. \u00cen timpul fazei de epitelizare, plaga cap\u0103t\u0103 rezisten\u021b\u0103 \u0219i cicatricea \u00ee\u0219i schimb\u0103 semnificativ culoarea datorit\u0103 faptului c\u0103 re\u021beaua vascular\u0103 \u00een plag\u0103 descre\u0219te; aceasta \u00eencepe s\u0103 devin\u0103 mai pu\u021bin ro\u0219ie, c\u0103p\u0103t\u00e2nd un aspect alb sau argintiu.<\/p>","protected":false},"excerpt":{"rendered":"
\u00a0Vindecarea pl\u0103gilor \u2013 aspecte generale Vindecarea pl\u0103gilor const\u0103 \u00eentr-o succesiune de evenimente care, \u00een condi\u021bii normale, are drept…<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"\n
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<\/figure><\/div>\n\n\n