{"id":72900,"date":"2020-11-03T13:28:01","date_gmt":"2020-11-03T13:28:01","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/mielofibroza-2\/"},"modified":"2025-01-13T03:18:57","modified_gmt":"2025-01-13T03:18:57","slug":"mielofibroza","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/sl\/diseases\/mielofibroza\/","title":{"rendered":"Mielofibroza"},"content":{"rendered":"<h2 id=\"definicija\">Definicija<\/h2>\n<p>Mielofibroza je nevarna motnja kostnega mozga. To je stanje, ki prekine normalno proizvodnjo krvnih celic in povzro\u010di \u0161iroko brazgotinjenje kostnega mozga, kar s\u010dasoma povzro\u010di slabokrvnost, utrujenost, \u0161ibkost in v\u010dasih pove\u010danje vranice in jeter. Mielofibroza je pravzaprav redka vrsta kroni\u010dne levkemije. Spada v skupino mieloproliferativnih motenj. Nekateri primeri mielofibroze morda \u017ee leta ne ka\u017eejo znakov bolezni. Vendar se ve\u010dina primerov s \u010dasom poslab\u0161a in le redki se lahko s\u010dasoma razvijejo v resnej\u0161o obliko levkemije. Mo\u017enosti zdravljenja se osredoto\u010dajo na laj\u0161anje simptomov.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"simptomi\">Simptomi<\/h2>\n<p>Mielofibroza je po\u010dasi razvijajo\u010da se bolezen, ki ponavadi ne povzro\u010da pojavljanja simptomov v za\u010detnih fazah, vendar pa se ob mo\u010dnej\u0161i prekinitvi proizvodnje krvnih celic lahko pojavijo naslednji simptomi:<\/p>\n<ul>\n<li>Ob\u010dutek utrujenosti in \u0161ibkosti<\/li>\n<li>Zasoplost<\/li>\n<li>Bleda ko\u017ea<\/li>\n<li>Modrice in krvavitve enostavno<\/li>\n<li>Prekomerno znojenje \u010dez no\u010d<\/li>\n<li>Visoka temperatura<\/li>\n<li>Bole\u010dine v kosteh<\/li>\n<li>Ponavljajo\u010de se oku\u017ebe<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"vzroki\">Vzroki<\/h2>\n<p>Celice krvnega toka, rde\u010de krvne celice, bele krvne celice in trombociti se lahko razdelijo in razmno\u017eijo v ve\u010d specializiranih celic, ki sestojijo iz krvnega pretoka. Ko se v mati\u010dnih celicah krvi razvije genetska mutacija, se pojavi mielofibroza. Ni znano, kaj povzro\u010da to mutacijo. Ko se mutirane krvne mati\u010dne celice razdelijo in razmno\u017eijo, prenesejo mutacijo na novo nastale celice, zato \u0161tevilo okvarjenih celic nara\u0161\u010da in resno vpliva na proizvodnjo krvi. Ponavadi je rezultat pomanjkanje rde\u010dih krvnih celic ter prese\u017eek belih krvnih celic in trombocitov. Pomanjkanje rde\u010dih krvnih celic povzro\u010da pojav zna\u010dilnosti in simptomov anemije. Kostni mozeg, ki bi moral biti navadno mehak in gobast, postane brazgotinast. Mutirani gen, ki se pojavi v ve\u010dini primerov mielofibroze, v\u010dasih imenujemo JAK2.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"dejavniki-tveganja\">Dejavniki tveganja<\/h2>\n<p>Vzrok za mielofibrozo ni znan, vendar je znano, da nekateri dejavniki pove\u010dujejo tveganje. To so:<\/p>\n<ul>\n<li>Ve\u010dje tveganje so starostniki v 50. ali 60. letih<\/li>\n<li>Druga bolezen krvnih celic, kot je trombocitemija ali policitemija<\/li>\n<li>Izpostavljenost industrijskim kemikalijam, kot so toluen in benzen<\/li>\n<li>Izpostavljenost visokim stopnjam sevanja<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"zapleti\">Zapleti<\/h2>\n<p>Nekateri zapleti, ki lahko nastanejo zaradi mielofibroze, so lahko:<\/p>\n<ul>\n<li>Pove\u010dan pritisk na kri, ki te\u010de v jetra<\/li>\n<li>Bole\u010dine v trebuhu in hrbtu<\/li>\n<li>Rast na drugih telesnih predelih<\/li>\n<li>Prekomerna krvavitev<\/li>\n<li>Bole\u010dine v kosteh in sklepih<\/li>\n<li>Akutna levkemija<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"zdravljenje\">Zdravljenje<\/h2>\n<p>\u010ce simptomi in vidni znaki anemije niso opazni, oseba, ki jo prizadene mielofibroza, morda ne potrebuje zdravljenja. Vendar mora zdravnik spremljati stanje za morebitne spremembe, simptome in napredovanje bolezni.<\/p>\n<p>Obstaja nekaj raziskovalnih \u0161tudij, ki delujejo na razvoj zdravila, ki bo usmerjeno na mutacijo gena JAK2, za katero se misli, da je odgovorna za razvoj mielofibroze.<\/p>\n<p>\u010ce mielofibroza povzro\u010da anemijo, je treba upo\u0161tevati nekaj naslednjih na\u010dinov zdravljenja:<\/p>\n<ul>\n<li>Transfuzija krvi<\/li>\n<li>Androgena terapija<\/li>\n<li>Talidomid in sorodna zdravila<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Kadar pove\u010dana vranica povzro\u010da nadaljnje zaplete, lahko zdravnik predlaga naslednje mo\u017enosti zdravljenja:<\/p>\n<ul>\n<li>Splenektomija-kirur\u0161ka odstranitev vranice<\/li>\n<li>Kemoterapija<\/li>\n<li>Obsevalna terapija<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Druga mo\u017enost zdravljenja je lahko presaditev mati\u010dnih celic od ustreznega darovalca. To je dejansko edino zdravljenje, ki lahko zdravi mielofibrozo, vendar ima veliko tveganje za smrtne stranske u\u010dinke.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-72900","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>Mielofibroza - 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=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mielofibroza - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Definicija Mielofibroza je nevarna motnja kostnega mozga. 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