{"id":17329,"date":"2020-01-15T22:08:06","date_gmt":"2020-01-15T22:08:06","guid":{"rendered":"https:\/\/medimall.gr\/ti-einai-i-mikrogonimopoiisi-icsi\/"},"modified":"2022-07-06T18:41:21","modified_gmt":"2022-07-06T15:41:21","slug":"ce-este-microfertilizarea-icsi","status":"publish","type":"post","link":"https:\/\/medimall.gr\/ro\/ce-este-microfertilizarea-icsi\/","title":{"rendered":"Ce este microfertilizarea ICSI?"},"content":{"rendered":"<p><strong><em>Potrivit\u0103 \u00een principal pentru cazurile de infertilitate masculin\u0103 sever\u0103, microfertilizarea ICSI este o metod\u0103 de fertilizare in vitro \u00een care un singur spermatozoid este introdus direct \u00een ovul pentru a-l fertiliza.<br \/>\n<\/em><\/strong><\/p>\n<p>ICSI, sau injec\u021bia intracitoplasmatic\u0103 de spermatozoizi, a fost practicat\u0103 cu succes \u00een \u00eentreaga lume de la \u00eenceputul anilor 1990 \u0219i este un tratament cu adev\u0103rat eficient pentru ob\u021binerea unei sarcini care permite multor cupluri infertile s\u0103 aib\u0103 un copil al lor.<\/p>\n<p><strong>C\u00e2nd este practicat\u0103?<br \/>\n<\/strong><\/p>\n<p>Tehnica de microfertilizare ICSI este indicat\u0103 \u00een principal \u00een cazurile de infertilitate masculin\u0103 sever\u0103. Asta c\u00e2nd:<\/p>\n<ul>\n<li>\n<div>exist\u0103 oligoastenospermie sever\u0103 sau astenospermie, cu spermatozoizi cu motilitate sc\u0103zut\u0103 \u0219i anticorpi antispermici<\/div>\n<\/li>\n<li>\n<div>spermatozoizilor le lipse\u0219te acrozomul (o parte a capului) \u0219i, prin urmare, nu au enzimele potrivite pentru a p\u0103trunde \u00een ovul \u0219i a realiza fecundarea.<\/div>\n<\/li>\n<li>\n<div>spermatozoizii au aderen\u021be extinse, astfel \u00eenc\u00e2t, pe m\u0103sur\u0103 ce sunt fuziona\u021bi, motilitatea lor este redus\u0103 semnificativ.<\/div>\n<\/li>\n<\/ul>\n<p><strong>Dar \u0219i:<br \/>\n<\/strong><\/p>\n<ul>\n<li>c\u00e2nd ovocitele au o band\u0103 transparent\u0103 (teac\u0103) mai groas\u0103 \u0219i mai dur\u0103 dec\u00e2t \u00een mod normal, care \u00eempiedic\u0103 penetrarea spermatozoizilor<\/li>\n<li>u existat \u00eencerc\u0103ri anterioare nereu\u0219ite, din motive inexplicabile pentru incapacitatea de a fertiliza ovulele prin metoda conven\u021bional\u0103 de fertilizare in vitro.<\/li>\n<\/ul>\n<p>\u00cen cazurile de azoospermie, adic\u0103 atunci c\u00e2nd nu exist\u0103 spermatozoizi \u00een sperm\u0103, care se poate datora fie vasectomiei, fie unei leziuni ale m\u0103duvei spin\u0103rii sau altor motive, sperma este extras\u0103 din \u021besutul testicular de catre un urolog, fie prin aspira\u021bie cu ac (FNA) din testicule \u0219i epididim sau prin biopsie microchirurgical\u0103 a testiculelor (MESA, FNA, TESE), cu anestezie local\u0103 \u0219i anestezie u\u0219oar\u0103 (sedare ).<\/p>\n<p><strong>Cum se realizeaz\u0103 tehnica ICSI<\/strong><\/p>\n<div>Dup\u0103 recoltarea materialului seminal, \u00een func\u021bie de num\u0103rul \u0219i motilitatea spermatozoizilor, se aplic\u0103 tratamentul pentru activarea acestora, cu mici modific\u0103ri. \u00cen cazul \u00een care proba de sperm\u0103 nu este suficient\u0103, partenerul este rugat s\u0103 furnizeze o a doua prob\u0103 suplimentar\u0103 c\u00e2teva zile mai t\u00e2rziu. \u00cen cazul \u00een care sperma con\u021bine chiar \u0219i c\u00e2teva zeci de spermatozoizi mobili, microfertilizarea poate fi efectuat\u0103 \u00een mod normal.<\/div>\n<div><\/div>\n<div>La fel ca \u0219i FIV conven\u021bional\u0103, procedura de microfertilizare ICSI necesit\u0103 o stimulare ovarian\u0103 prealabil\u0103 cu medicamente pentru fertilitate pentru a produce un num\u0103r mare de ovule mature. Dup\u0103 ce ovulele au fost aspirate, acestea sunt supuse unui &#8220;tratament&#8221; special cu o enzim\u0103 (hialuronidaza) pentru a elimina celulele granuloase din jur. Acest lucru este necesar, altfel spermatozoizii nu vor putea s\u0103 p\u0103trund\u0103, deoarece \u00een ICSI spermatozoizii sunt injecta\u021bi \u0219i nu pe cont propriu ca \u00een FIV conven\u021bional\u0103. Acest &#8220;tratament&#8221; dureaz\u0103 1-2 minute \u0219i, odat\u0103 ce ovocitele sunt eliberate de granulocite, este posibil s\u0103 se evalueze care sunt mature \u0219i potrivite pentru ICSI \u0219i care nu.<\/div>\n<div><\/div>\n<div>Etapa final\u0103 a procedurii ICSI const\u0103 \u00een imobilizarea fiec\u0103rui ovul \u00een parte cu ajutorul unei pipete fine de sticl\u0103 \u0219i cu o alt\u0103 pipet\u0103 de sticl\u0103 mai fin\u0103 (care seam\u0103n\u0103 cu un ac de injec\u021bie) pentru a izola fiecare spermatozoid care va fi apoi introdus \u00een citoplasma fiec\u0103rui ovul. Fiecare &#8220;inser\u021bie&#8221; dureaz\u0103 c\u00e2teva secunde, dar \u00eentregul proces poate dura c\u00e2teva ore, mai ales dac\u0103 spermatozoizii sunt pu\u021bini \u0219i greu de g\u0103sit.<\/div>\n<div><\/div>\n<div>Dup\u0103 ce procesul de &#8220;inser\u021bie&#8221; este finalizat, ovulele sunt plasate din nou \u00een medii de cultur\u0103 speciale p\u00e2n\u0103 c\u00e2nd sunt complet fertilizate \u0219i se produc embrioni.<\/div>\n<div><\/div>\n<div>Metoda este finalizat\u0103 prin respectarea procedurii obi\u0219nuite de FIV: dup\u0103 crearea blastocisturilor, embrionii sunt selecta\u021bi \u0219i, \u00een final, transfera\u021bi.<\/div>\n<p><strong>Ratele de succes<br \/>\n<\/strong><\/p>\n<p>Succesul tehnicii ICSI depinde de mai mul\u021bi factori, cum ar fi:<\/p>\n<ul>\n<li>viabilitatea spermatozoizilor<\/li>\n<li>calitatea ovocitelor<\/li>\n<li>calitatea ovocitelor, calitatea calit\u0103\u021bii spermatozoizilor<\/li>\n<li>capacitatea ovocitelor de a rezista la procesul intracitoplasmatic<\/li>\n<\/ul>\n<p>Rata de reu\u0219it\u0103 a sarcinii la fiecare \u00eencercare cu tehnica ICSI este de 65-75%. Poten\u021bialii factori care pot influen\u021ba ratele de succes \u00een cursul sarcinii \u0219i, prin urmare, finalizarea na\u0219terii cu microfertilizarea prin ICSI sunt similare cu cele ale FIV conven\u021bionale.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Potrivit\u0103 \u00een principal pentru cazurile de infertilitate masculin\u0103 sever\u0103, microfertilizarea ICSI este o metod\u0103 de fertilizare in vitro \u00een care un singur spermatozoid este introdus direct \u00een ovul pentru a-l fertiliza. ICSI, sau injec\u021bia intracitoplasmatic\u0103 de spermatozoizi, a fost practicat\u0103 cu succes \u00een \u00eentreaga lume de la \u00eenceputul anilor 1990 \u0219i este un tratament cu [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":968,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[],"featured_image_src":{"landsacpe":["https:\/\/medimall.gr\/wp-content\/uploads\/2020\/01\/shutterstock_687296710-1000x445.jpg",1000,445,true],"list":["https:\/\/medimall.gr\/wp-content\/uploads\/2020\/01\/shutterstock_687296710-463x348.jpg",463,348,true],"medium":["https:\/\/medimall.gr\/wp-content\/uploads\/2020\/01\/shutterstock_687296710-300x200.jpg",300,200,true],"full":["https:\/\/medimall.gr\/wp-content\/uploads\/2020\/01\/shutterstock_687296710.jpg",1000,667,false]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ce este microfertilizarea ICSI? 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