{"id":70619,"date":"2017-05-25T12:15:24","date_gmt":"2017-05-25T12:15:24","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/deficienta-de-iga-selectiva\/"},"modified":"2025-01-13T02:46:35","modified_gmt":"2025-01-13T02:46:35","slug":"deficienta-de-iga-selectiva","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/diseases\/deficienta-de-iga-selectiva\/","title":{"rendered":"Deficien\u021ba de IgA selectiv\u0103"},"content":{"rendered":"<h2 id=\"definitie\">Defini\u021bie<\/h2>\n<p>Deficien\u021ba de IgA selectiv\u0103 este o stare a sistemului imunitar &icirc;n care un individ nu are suficient\u0103 imunoglobulin\u0103 A. Imunoglobulina A (IgA) este o protein\u0103 care ajut\u0103 la prevenirea infec\u021biei &icirc;n organism (gur\u0103, urechi, sinusuri, nas, g&acirc;t, c\u0103ile respiratorii din pl\u0103m&acirc;ni, tractul gastro-intestinal, ochii \u0219i organele genitale).<br \/>\nExist\u0103 mai multe clase de imunoglobuline \u0219i fiecare clas\u0103 ajut\u0103 la protejarea organismului de infec\u021bie &icirc;ntr-un mod diferit. Clasa cea mai frecvent afectat\u0103 este clasa A (imunoglobulina A).<br \/>\nMajoritatea persoanelor cu deficit de IgA selectiv nu au infec\u021bii care recidiveaz\u0103. Cu toate acestea, unii pot prezenta infec\u021bii recurente ale tractului respirator, astm, infec\u021bii sinusale, alergii \u0219i diaree.<br \/>\nDeficien\u021ba IgA selectiv\u0103 este, de asemenea, legat\u0103 de boala autoimun\u0103, &icirc;n care sistemul imunitar atac\u0103 propriile organe \u0219i \u021besuturi din organism. Bolile autoimune comune &icirc;nt&acirc;lnite cu deficit de IgA includ artrita reumatoid\u0103, lupusul \u0219i boala celiac\u0103.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"simptome\">Simptome<\/h2>\n<p>Multe persoane cu deficit de IgA selectiv nu au simptome; totu\u0219i, ace\u0219tia prezint\u0103 un risc mai mare de a contracta infec\u021bii. Atunci c&acirc;nd sunt prezente simptome, acestea pot fi:<br \/>\nDiaree cronic\u0103<br \/>\nBron\u015fit\u0103<br \/>\nInfec\u021bie ocular\u0103<br \/>\nInfec\u021bie a gurii<br \/>\nInfec\u021bie la nivelul urechii<br \/>\nInfec\u021bie cutanat\u0103<br \/>\nInfec\u021bii ale tractului respirator superior<br \/>\nInflama\u021bia gastrointestinal\u0103<br \/>\nPneumonie<br \/>\nSinuzit\u0103<br \/>\nBron\u0219iectazie<br \/>\nAstm inexplicabil<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"cauze\">Cauze<\/h2>\n<p>Cauza unui deficit de IgA este, de obicei, genetic\u0103. Aceasta poate fi mo\u0219tenit\u0103 ca o tr\u0103s\u0103tur\u0103 autosomal\u0103 dominant\u0103 sau autosomal\u0103 recesiv\u0103. Anumite cercet\u0103ri au ar\u0103tat c\u0103 factorii de mediu cum ar fi consumul unor anumite medicamente sau infec\u021biile pot provoca deficien\u021b\u0103 de IgA. Totu\u0219i, aceste forme sunt reversibile &icirc;n mai mult de jum\u0103tate din cazuri.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"complicatii\">Complica\u021bii<\/h2>\n<p>Eventualele complica\u021bii care pot ap\u0103rea din cauza deficien\u021bei de IgA selectiv\u0103 sunt tulbur\u0103ri autoimune cum ar fi:<br \/>\nPoliartrita reumatoid\u0103: o afec\u021biune inflamatorie sever\u0103 care afecteaz\u0103 articula\u021biile m&acirc;inilor \u0219i picioarelor.<br \/>\nLupus eritematos sistemic: O boal\u0103 inflamatorie declan\u021bat\u0103 atunci c&acirc;nd sistemul imunitar atac\u0103 propriile \u021besuturi.<br \/>\nBoala celiac\u0103: O reac\u021bie imun\u0103 la consumul de gluten, o protein\u0103 g\u0103sit\u0103 &icirc;n gr&acirc;u, orz \u0219i secar\u0103.<br \/>\nReac\u021bii anafilactice: reac\u021bii alergice la o transfuzie de s&acirc;nge sau la imunoglobulin\u0103.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"tratament\">Tratament<\/h2>\n<p>Nu exist\u0103 un tratament specific pentru deficien\u021ba IgA selectiv\u0103. Majoritatea persoanelor care au infec\u021bii bacteriene ale urechilor, sinusurilor, pl\u0103m&acirc;nilor sau tractului gastro-intestinal primesc antibiotice pentru a trata infec\u021biile \u0219i a preveni reapari\u021bia lor. Deficien\u021ba IgA selectiv\u0103 care rezult\u0103 ca urmare a administr\u0103rii unui medicament se rezolv\u0103 prin oprirea tratamentului cu respectivul medicament.<br \/>\nExist\u0103 o metod\u0103 de tratament &icirc;n care cei cu deficit de IgA selectiv care au \u0219i deficien\u021be de subclas\u0103 IgG pot fi ajuta\u021bi cu imunoglobulin\u0103 intravenoas\u0103 (IVIG), administrat\u0103 &icirc;n ven\u0103. Tratamentele imunoglobulinei subcutanate (SCIG) administrate sub piele pot, de asemenea, ajuta. Cu toate acestea, nu exist\u0103 dovezi care s\u0103 demonstreze c\u0103 imunoglobulina intravenoas\u0103 \u0219i imunoglobulina subcutanat\u0103 trateaz\u0103 pe deplin aceast\u0103 afec\u021biune, ci mai degrab\u0103 ajut\u0103 la ameliorarea simptomelor.<br \/>\nPersoanele cu deficien\u021b\u0103 selectiv\u0103 de IgA sunt sf\u0103tuite s\u0103 poarte o br\u0103\u021bar\u0103 de identificare medical\u0103 pentru a preveni administrarea inadecvat\u0103 a plasmei sau IVIG, care ar putea duce la anafilaxie. Anafilaxia este o reac\u021bie alergic\u0103 sever\u0103, care poate pune via\u021ba &icirc;n pericol.<br \/>\n&nbsp;<\/p>\n<h2>&nbsp;<br \/>\nPrevenirea<\/h2>\n<p>De\u0219i nu exist\u0103 nicio preven\u021bie cunoscut\u0103 pentru deficien\u021ba de IgA, consilierea genetic\u0103 s-a dovedit a fi util\u0103 pentru p\u0103rin\u021bii poten\u021biali cu antecedente familiale de deficit de IgA selectiv.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-70619","disease","type-disease","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Deficien\u021ba de IgA selectiv\u0103 - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Deficien\u021ba de IgA selectiv\u0103 - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Defini\u021bie Deficien\u021ba de IgA selectiv\u0103 este o stare a sistemului imunitar &icirc;n care un individ nu are suficient\u0103 imunoglobulin\u0103 A. 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