{"id":70458,"date":"2017-03-30T13:12:42","date_gmt":"2017-03-30T13:12:42","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/policitemia-vera\/"},"modified":"2025-01-13T02:44:13","modified_gmt":"2025-01-13T02:44:13","slug":"policitemia-vera","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/diseases\/policitemia-vera\/","title":{"rendered":"Policitemia vera"},"content":{"rendered":"<h2 id=\"policitemia-vera\">Policitemia vera<\/h2>\n<p>&nbsp;<\/p>\n<p>Policitemia vera este un tip rar de cancer al s&acirc;ngelui cu dezvoltare lent\u0103 &icirc;n care m\u0103duva osoas\u0103 produce prea multe globule ro\u015fii. Policitemia vera poate duce, de asemenea, la produc\u021bia de prea multe dintre celelalte tipuri de celule sanguine &#8211; leucocite \u0219i trombocite. Aceste celule in exces &icirc;ngroa\u015f\u0103 s&acirc;ngele \u015fi cauzeaz\u0103 complica\u0163ii, cum ar fi formarea cheagurilor de s&acirc;nge sau s&acirc;ngerare.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"simptome\">Simptome<\/h2>\n<p>Din moment ce, de obicei, se dezvolt\u0103 lent, pacientul poate avea boala timp de ani de zile f\u0103r\u0103 s\u0103 observe semne sau simptome. Pentru mul\u0163i pacien\u0163i, policitemia vera poate s\u0103 nu provoace niciun semn sau simptom. Cu toate acestea, unele persoane pot experimenta:<\/p>\n<p>Tensiune arterial\u0103 crescut\u0103;<\/p>\n<p>Dureri de cap \u0219i vedere neclar\u0103;<\/p>\n<p>Ame\u0163eal\u0103;<\/p>\n<p>Sl\u0103biciune;<\/p>\n<p>Transpira\u021bie excesiv\u0103;<\/p>\n<p>Disconfort abdominal;<\/p>\n<p>Edem dureros la o articula\u021bie, de multe ori degetul cel mare de la picior;<\/p>\n<p>Dificult\u0103\u021bi de respira\u021bie, atunci c&acirc;nd pacien\u0163ii stau jos;<\/p>\n<p>Amor\u021beli, furnic\u0103turi, senza\u021bie de arsur\u0103 sau sl\u0103biciune la nivelul m&acirc;inilor, picioarelor, bra\u021belor sau picioarelor;<\/p>\n<p>Senza\u0163ia de plenitudine sau balonare la nivelul abdomenului superior st&acirc;ng din cauza splinei m\u0103rite;<\/p>\n<p>Eritem, &icirc;n special la fa\u021b\u0103, m&acirc;ini \u0219i picioare;<\/p>\n<p>Probleme de s&acirc;ngerare &#8211; cum ar fi epistaxis \u0219i v&acirc;n\u0103t\u0103i;<\/p>\n<p>Gut\u0103, care poate provoca dureri articulare, rigiditate \u0219i umfl\u0103turi.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"cauze\">Cauze<\/h2>\n<p>Policitemia vera se produce atunci c&acirc;nd apare o muta\u0163ie &icirc;ntr-o celul\u0103 de la nivelul m\u0103duvei osoase ce rezult\u0103 &icirc;n proliferare excesiv\u0103 a celulelor. &Icirc;n mod normal, organismul regleaza cu aten\u0163ie num\u0103rul de celule sanguine. Cu toate acestea, &icirc;n policitemia vera, acest mecanism de reglare devine deteriorat \u015fi m\u0103duva osoas\u0103 produce prea multe dintre unele celule sanguine. Se consider\u0103 c\u0103 muta\u0163ia care cauzeaz\u0103 policitemia vera este cea a unei gene ce codific\u0103 exprimarea unei proteine care cre\u015fte proliferarea celular\u0103. Cei mai mul\u021bi oameni cu policitemia vera au acest tip de muta\u0163ie. Nu e clar ce cauzeaza muta\u0163iile, dar cercetatorii cred ca ele apar dup\u0103 na\u015ftere, deci este dob&acirc;ndit\u0103, mai degrab\u0103 dec&acirc;t mo\u0219tenit\u0103 de la un p\u0103rinte.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"factori-de-risc\">Factori de risc<\/h2>\n<p>Riscul de policitemia vera cre\u015fte odata cu v&acirc;rsta. Este mai frecvent\u0103 la persoanele de peste 60 de ani, de\u015fi boala poate ap\u0103rea la orice v&acirc;rst\u0103.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"complicatii\">Complica\u0163ii<\/h2>\n<p>F\u0103r\u0103 tratament adecvat, policitemia vera poate pune via\u021ba &icirc;n pericol. Cu toate acestea, cu &icirc;ngrijire medical\u0103 adecvat\u0103, mul\u021bi oameni nu mai au probleme legate de aceast\u0103 boal\u0103. De-a lungul timpului, exist\u0103 riscul de a progresa &icirc;ntr-un cancer de sange mai grav, cum ar fi leucemia acut\u0103 sau mielofibroz\u0103.<\/p>\n<p>Posibile complica\u021bii ale policitemia vera includ:<\/p>\n<p>Cheaguri de s&acirc;nge<\/p>\n<p>Splina m\u0103rit\u0103<\/p>\n<p>Probleme ale pielii<\/p>\n<p>Probleme din cauza nivelului ridicat de globule ro\u0219ii din s&acirc;nge<\/p>\n<p>Alte tulbur\u0103ri ale s&acirc;ngelui<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"preventie\">Preven\u0163ie<\/h2>\n<p>Din p\u0103cate, nu exist\u0103 nicio modalitate de a preveni policitemia vera. Cu toate acestea, riscul de policitemie secundar\u0103 poate fi redus prin stilul de via\u021b\u0103 s\u0103n\u0103tos \u0219i prin a nu petrece perioade lungi de timp la altitudini mari. De asemenea, simptomele \u0219i complica\u0163iile pot fi prevenite sau &icirc;nt&acirc;rziate cu un tratament adecvat.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-70458","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>Policitemia vera - 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=\"Policitemia vera - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Policitemia vera &nbsp; Policitemia vera este un tip rar de cancer al s&acirc;ngelui cu dezvoltare lent\u0103 &icirc;n care m\u0103duva osoas\u0103 produce prea multe globule ro\u015fii. 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