{"id":77039,"date":"2017-03-29T12:23:51","date_gmt":"2017-03-29T12:23:51","guid":{"rendered":"http:\/\/humanitasnet-new.local\/cure\/transplantul-de-cornee\/"},"modified":"2017-03-29T12:23:51","modified_gmt":"2017-03-29T12:23:51","slug":"transplantul-de-cornee","status":"publish","type":"cure","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/treatments\/transplantul-de-cornee\/","title":{"rendered":"Transplantul de cornee"},"content":{"rendered":"<h2>Transplantul de cornee<\/p>\n<p>&nbsp;<\/h2>\n<p>&Icirc;n cazul &icirc;n care corneea &icirc;\u0219i pierde &icirc;n mod ireversibil transparen\u021ba sau devine foarte neregulat\u0103, sau fie prin punc\u0163ii \u0219i tratamente mai pu\u021bin invazive nu rezolv\u0103 problema, aceasta trebuie &icirc;nlocuita printr-o interven\u021bie chirurgical\u0103 de transplant de cornee, de asemenea, numit\u0103 keratoplastie.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"ce-sunt-transplanturile-de-cornee\">Ce sunt transplanturile de cornee?<\/h2>\n<p>Interven\u021bia const\u0103 &icirc;n &icirc;nlocuirea corneei bolnave sau o parte a corneei cu cornee s\u0103n\u0103toas\u0103 de la un donor. Din nefericire &icirc;n trecutul recent, singura interven\u021bie disponibil\u0103 a constat &icirc;n &icirc;nlocuirea \u021besutului pe toat\u0103 grosimea, dar acum se poate decide &icirc;nlocuirea doar doar a unei p\u0103r\u0163i din \u021besutul bolnav, l\u0103s&acirc;nd straturile r\u0103mase ale corneei intacte. Acest lucru a redus agresivitatea interven\u021biei chirurgicale, riscurile de respingere \u0219i accelereaz\u0103 recuperarea func\u021bional\u0103. &Icirc;n func\u021bie de afectarea stratului corneei (strom\u0103, endoteliu) putem planifica un transplant selectiv de \u021besut patologic, lamelar anterioare profunde (DALK &#8211; Deep Anterior Lamellar Keratoplasty), &icirc;n care numai por\u021biunea anterioar\u0103 a corneei este &icirc;nlocuit\u0103, f\u0103r\u0103 a penetra globul ocular, sau de un transplant doar a endoteliului corneei (DSAEK &#8211; Descemet Stripping Automated Endothelial Keratoplasty), l\u0103s&acirc;nd partea superficial\u0103, s\u0103n\u0103toas\u0103, intact\u0103.<\/p>\n<p>\nTransplantul de cornee pe grosimea total\u0103 (PK sau cheratoplastia) este &icirc;nc\u0103 deschis\u0103 pentru toate cazurile &icirc;n care corneea este deteriorat\u0103, atunci c&acirc;nd alte tratamente au fost ineficiente sau &icirc;n cazul &icirc;n care se constat\u0103 c\u0103 deteriorarea tisular\u0103 nu va face alte dou\u0103 tehnici eficiente. &Icirc;n cazuri extreme, poate fi destinat\u0103 numai pentru a preveni o perfora\u021bie iminent\u0103 sau ca remediu de urgen\u021b\u0103 pentru a elimina discontinuit\u0103\u021bile dintre structurile oculare interne \u0219i externe (transplanturi tectonice).<\/p>\n<p>\nAlegerea tehnicii este hot\u0103r&acirc;t\u0103 de oftalmolog, dup\u0103 o evaluare complet\u0103 a st\u0103rii clinice. Corneele donate sunt scoase din cadavru, atent selec\u021bionate, p\u0103strate &icirc;ntr-un mediu de cultur\u0103 \u0219i trimis la spital, la cererea acestuia de c\u0103tre b\u0103nci, care atest\u0103 calitatea corneei. Acest lucru permite s\u0103 se planifice interven\u021biile dinainte \u0219i s\u0103 asigure o calitate &icirc;nalt\u0103 a \u021besuturilor care urmeaz\u0103 s\u0103 fie transplantate.<\/p>\n<p>\nTransplantul de cornee are scopul principal de a reface anatomia corneei \u015fi are ca obiectiv &icirc;mbun\u0103t\u0103\u021birea func\u021biei vizuale afectat\u0103 de transparen\u021b\u0103 redus\u0103 \u0219i\/sau a altor nereguli.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"modul-n-care-se-efectueaza-transplanturi-de-cornee\">Modul &icirc;n care se efectueaz\u0103 transplanturi de cornee<\/h2>\n<p>Interven\u021bia este planificat\u0103 &icirc;nainte, chiar &icirc;n cazul &icirc;n care programul depinde de disponibilitatea \u021besuturilor aflate &icirc;n b\u0103nci care de\u0163in corneele. Opera\u0163ia se efectueaz\u0103 sub anestezie local\u0103 sau general\u0103, &icirc;n func\u0163ie de sfatul chirurgului \u0219i a anestezistului. Pacientul este testat pentru a stabili cu precizie absenta contraindica\u0163iilor necesit\u0103\u0163ii unei interven\u021bii iminente. &Icirc;n urma interven\u021biei este necesar\u0103 \u015federea &icirc;n spital de una p&acirc;n\u0103 la la trei zile, al c\u0103ror scop este de a verifica cursul post-operatoriu &icirc;ntr-un mediu sigur \u0219i protejat.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"care-sunt-avantajele-si-dezavantajele-transplantului-de-cornee\">Care sunt avantajele \u0219i dezavantajele transplantului de cornee?<\/h2>\n<p>Nu exist\u0103 nici o interven\u021bie chirurgical\u0103, f\u0103r\u0103 riscuri. Prin urmare, nu se poate garanta succesul interven\u021biei sau absen\u021ba complica\u021biilor, a c\u0103rei inciden\u021b\u0103 este condi\u021bionat\u0103 \u0219i de tipul \u0219i gradul de evolu\u021bie a patologiei. Indica\u021bia de transplant de cornee din aceste motive, trebuie s\u0103 fie plasat\u0103 &icirc;n absen\u021ba terapiei medicale, sau tratamente mai pu\u0163in invazive, dar la fel de eficiente.<\/p>\n<p>\n&nbsp;<\/p>\n<h2 id=\"este-transplantul-de-cornee-dureroasa-sau-periculoasa\">Este transplantul de cornee dureroas\u0103 sau periculoas\u0103?<\/h2>\n<p>Interven\u0163ia chirurgical\u0103 nu este dureroas\u0103 \u015fi se realizeaz\u0103 &icirc;n cea mai mare parte prin anestezie general\u0103. &Icirc;n urma interven\u021biei, ochiul operat este mai mult sau mai pu\u021bin &icirc;nro\u0219it \u0219i dureros, iar pacientul poate sim\u0163i senza\u0163ii de corp str\u0103in, cum ar fi de arsur\u0103, disconfort, l\u0103crimare, viziuni fluctuante, halouri, care apoi tind s\u0103 se reduc\u0103 treptat. Din moment ce aceasta este o interven\u0163ie chirurgical\u0103, exist\u0103 posibile complica\u0163ii &icirc;nainte, &icirc;n timpul sau dup\u0103 procedur\u0103. Exist\u0103 un risc ridicat de infectare, care poate fi redus sau eliminat printr-o bun\u0103 igien\u0103 personal\u0103.<\/p>\n<p>Transplantul de cornee implic\u0103 un risc de respingere. Acest fenomen, a c\u0103rui frecven\u021b\u0103 este redus\u0103 &icirc;n mod semnificativ dup\u0103 primii 5 ani poate provoca o inflama\u021bie sever\u0103 \u0219i ireversibil\u0103 pe suprafa\u021ba ochiului iar &icirc;n absen\u021ba tratamentului &icirc;n timp util sau &icirc;n func\u021bie de severitatea manifest\u0103rii sale, acesta poate fi un indicator pentru un nou transplant de cornee.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"care-pacientii-pot-suferi-transplanturi-de-cornee\">Care pacien\u0163ii pot suferi transplanturi de cornee?<\/h2>\n<p>Pacien\u0163ii de toate v&acirc;rstele care sufer\u0103 de boli ale corneei, care nu r\u0103spund la oportunit\u0103\u0163i terapeutice mai pu\u021bin invazive \u0219i au ob\u021binut consim\u021b\u0103m&acirc;ntul pentru o interven\u021bie chirurgical\u0103 pot fi supus procedurii.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"urmari\">Urm\u0103ri<\/h2>\n<p>Controalele postoperatorii (ini\u021bial mai frecvente) sunt necesare pentru o perioad\u0103 prelungit\u0103 de timp. &Icirc;n cazul &icirc;n care controalele nu sunt efectuate &icirc;n conformitate cu cerin\u021bele, rezultatul interven\u021biei poate fi compromis. Dup\u0103 interven\u021bia chirurgical\u0103 este de multe ori poate ap\u0103rea astigmatism rezidual: &icirc;n scopul de a reduce, am dezvoltat o nou\u0103 metod\u0103 de &icirc;ntindere a suturii e topografia intra operatorie, care reduce semnificativ astigmatismul post-operatoriu &icirc;n primele zile dup\u0103 interven\u021bie.<\/p>\n<p>\n&Icirc;ndep\u0103rtarea suturii se realizeaz\u0103 la aproximativ un an \u0219i jum\u0103tate de la interven\u021bie, dup\u0103 care rearanjarea corneei poate provoca apari\u021bia unor defecte vizuale, cum ar fi astigmatism, miopie sau hipermetropie.<\/p>\n<p>&Icirc;mbun\u0103t\u0103\u021birea vizual\u0103 nu este imediat\u0103. Aceasta are loc &icirc;ncet, timp de c&acirc;teva s\u0103pt\u0103m&acirc;ni \u0219i este legat\u0103 de vitalitatea, grefa corneei transplantat, transparen\u021ba sa, prezen\u021ba reziduurilor astigmatice \u0219i condi\u021biile de s\u0103n\u0103tate ale altor structuri (retin\u0103, lentile etc.) ale ochiului operat. Prezen\u021ba altor leziuni ale ochiului, de fapt, ar putea limita recuperarea v\u0103zului.<\/p>\n<h2>\nStandardele de preg\u0103tire<\/h2>\n<p>&Icirc;n preg\u0103tirea pentru o interven\u021bie chirurgical\u0103 este necesar s\u0103 se verifice absen\u021ba bolilor concomitente \u0219i\/sau infec\u021bii oculare \u015fi infec\u0163ii altor p\u0103r\u0163i ale corpului, care pot s\u0103 creasc\u0103 riscul interven\u021biei chirurgicale. Pacientul este obligat s\u0103 posteasc\u0103 &icirc;nainte de interven\u021bia chirurgical\u0103.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-77039","cure","type-cure","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Transplantul de cornee - 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=\"Transplantul de cornee - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Transplantul de cornee &nbsp; &Icirc;n cazul &icirc;n care corneea &icirc;\u0219i pierde &icirc;n mod ireversibil transparen\u021ba sau devine foarte neregulat\u0103, sau fie prin punc\u0163ii \u0219i tratamente mai pu\u021bin invazive nu rezolv\u0103 problema, aceasta trebuie &icirc;nlocuita printr-o interven\u021bie chirurgical\u0103 de transplant de cornee, de asemenea, numit\u0103 keratoplastie. &nbsp; Ce sunt transplanturile de cornee? 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