{"id":76160,"date":"2017-03-24T16:11:05","date_gmt":"2017-03-24T16:11:05","guid":{"rendered":"http:\/\/humanitasnet-new.local\/cure\/homocisteina\/"},"modified":"2017-03-24T16:11:05","modified_gmt":"2017-03-24T16:11:05","slug":"homocisteina","status":"publish","type":"cure","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/treatments\/homocisteina\/","title":{"rendered":"Homocisteina"},"content":{"rendered":"

Homocisteina<\/h2>\n

 <\/p>\n

Ce este homocisteina?<\/h2>\n

Homocisteina este un aminoacid care con\u021bine sulf \u0219i este un produs al metabolismului de metionin\u0103, care este un aminoacid esen\u021bial din care corpul \u00ee\u0219i deriv\u0103 energia. Acest aminoacid care este produs de corpul uman este de obicei un subprodus al consumului de produse animale. Homocisteina este \u00een mod normal transformat\u0103 \u00een al\u021bi aminoacizi. O acumulare anormal\u0103 a homocisteinei, care poate fi m\u0103surat\u0103 \u00een s\u00e2nge, poate fi un marker pentru dezvoltarea bolii de inim\u0103. Nivelurile ridicate de homocistein\u0103 din s\u00e2nge par s\u0103 creasc\u0103 riscul atacului de cord, atacului cerebral, bolii vasculare periferice \u0219i tromboembolismului venos (cheaguri de s\u00e2nge \u00een vene). Homocisteina se crede c\u0103 afecteaz\u0103 vasele de s\u00e2nge \u00een mai multe feluri. \u00cen primul r\u00e2nd, afecteaz\u0103 celulele care aliniaz\u0103 arterele \u0219i care stimuleaz\u0103 cre\u0219tere celulele mu\u0219chiului neted. Homocisteina poate distruge mecanismele normale de coagulare a s\u00e2ngelui. Nivelurile ridicate de homocistein\u0103 par s\u0103 creasc\u0103 riscul de Alzheimer al pacien\u021bilor.<\/p>\n

Homocistinuria este o boal\u0103 genetic\u0103 rar\u0103 care apare la unu din 200,000 de oameni. Aceast\u0103 boal\u0103 metabolic\u0103 congenital\u0103 provoac\u0103 marile cantit\u0103\u021bi de homocistein\u0103 care vor fi excretate \u00een urin\u0103. Homocistinuria este asociat\u0103 cu retardul mintal \u0219i dezvoltarea bolii cardiace \u00eenainte de v\u00e2rsta de 30 de ani.<\/p>\n

<\/h2>\n

De ce se m\u0103soar\u0103 nivelul de homocistein\u0103?<\/h2>\n

Examinarea nivelurilor de homocistein\u0103 prezente \u00een corpul uman poate fi folositoare pentru evaluarea problemelor cardiovasculare. Nivelurile ridicate de homocistein\u0103, de fapt, pot reprezenta un risc pentru inima pacientului. Nivelurile ridicate de homocistein\u0103 sunt asociate cu nivelurile sc\u0103zute de vitamina B6 \u0219i B12 \u0219i bolile renale \u0219i deficitul de acid folic. Cercet\u0103rile arat\u0103 c\u0103 reducerea nivelurilor de homocistein\u0103 cu vitamine nu reduce riscul de boal\u0103 de inim\u0103.<\/p>\n

Homocistein\u0103 se crede a irita alinierea vaselor de s\u00e2nge provoc\u00e2nd cicatrizarea, \u00eent\u0103rirea \u0219i \u00eengustarea acestora. Astfel cre\u0219te munca pe care inima trebuie s\u0103 o fac\u0103 (s\u0103 pompeze s\u00e2nge c\u0103tre organe), duc\u00e2nd la o boal\u0103 de inim\u0103. Nivelurile ridicate de homocistein\u0103 pot provoca \u0219i coagularea crescut\u0103 a s\u00e2ngelui. Coagularea s\u00e2ngelui poate sc\u0103dea sau poate bloca fluxul s\u00e2ngelui prin vasele de s\u00e2nge, av\u00e2nd ca rezultat atacurile cerebrale \u0219i atacurile de cord. Nivelul de homocistein\u0103 din s\u00e2nge variaz\u0103 \u00een mod normal cu mai mul\u021bi factori, cum ar fi v\u00e2rsta, sexul, dieta, factorii hereditari \u0219i s\u0103n\u0103tatea general\u0103, dar se estimeaz\u0103 c\u0103 aproape 5 \u2013 10% din popula\u021bie are niveluri de homocistein\u0103 care sunt considerate ridicate. Cu excep\u021bia pu\u021binilor oameni care au homocistinuria congenital\u0103, oamenii cu nivelul ridicat de homocistein\u0103 din s\u00e2nge nu prezint\u0103 semne sau simptome evidente.<\/p>\n

<\/h2>\n

Standarde de preg\u0103tire<\/h2>\n

Recoltarea de probe este efectuat\u0103 diminea\u021ba, la spital. Nu exist\u0103 preg\u0103tiri speciale necesare pentru aceast\u0103 analiz\u0103. Doctorul v\u0103 va sf\u0103tui dac\u0103 nu trebuie s\u0103 m\u00e2nca\u021bi \u00eenainte de examinarea s\u00e2ngelui. Trebuie s\u0103 informa\u021bi doctorul \u00een leg\u0103tur\u0103 cu orice tip de medicamente pe care le lua\u021bi \u00eenainte de examinare, deoarece unele tratamente medicale pot interfera cu rezultatele de s\u00e2nge.<\/p>\n

<\/h2>\n

Este aceast\u0103 examinare dureroas\u0103 sau periculoas\u0103?<\/h2>\n

Examinarea nu este nici dureroas\u0103, nici periculoas\u0103. Pacientul poate sim\u021bi o senza\u021bie de usturime la intrarea acului \u00een m\u00e2n\u0103, c\u00e2nd s\u00e2ngele este recoltat pentru examinare.<\/p>\n

<\/h2>\n

Cum este efectuat\u0103 examinarea?<\/h2>\n

Examinarea este realizat\u0103 printr-o simpl\u0103 analiz\u0103 de s\u00e2nge.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-76160","cure","type-cure","status-publish","hentry"],"yoast_head":"\nHomocisteina - 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=\"Homocisteina - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Homocisteina   Ce este homocisteina? Homocisteina este un aminoacid care con\u021bine sulf \u0219i este un produs al metabolismului de metionin\u0103, care este un aminoacid esen\u021bial din care corpul \u00ee\u0219i deriv\u0103 energia. Acest aminoacid care este produs de corpul uman este de obicei un subprodus al consumului de produse animale. 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