{"id":71275,"date":"2017-11-08T19:41:23","date_gmt":"2017-11-08T19:41:23","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/perzistentni-ovalni-otvor\/"},"modified":"2025-01-13T02:55:45","modified_gmt":"2025-01-13T02:55:45","slug":"perzistentni-ovalni-otvor","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/sr\/diseases\/perzistentni-ovalni-otvor\/","title":{"rendered":"Perzistentni ovalni otvor"},"content":{"rendered":"<h2 id=\"definicija\">Definicija<\/h2>\n<p>Perzistentni ovalni otvor (PFO) predstavlja defekt izme\u0111u leve i desne sr\u010dane komore. Naj\u010de\u0161\u0107e je prisutan kod osoba i pre ro\u0111enja te se u fiziolo\u0161kim uslovima naj\u010de\u0161\u0107e zatvara neposredno po ro\u0111enju.\u00a0 U slu\u010daju nemogu\u0107nosti adekvatnog zatvaranja ovalnog otvora u postnatalnom periodu, nastali defekt naziva se foramen\u00a0 ovale. S obzirom na u\u010destalost defekta, ve\u0107ina osoba nije upoznata sa \u010dinjenicom njenog postojanja. Perzistentni ovalni otvor naj\u010de\u0161\u0107e se dijagnostikuje tokom drugih dijagnosti\u010dkih testova i budu\u0107i da mo\u017ee voditi anksioznosti, le\u010denje \u010desto nije potrebno.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"simptomi\">Simptomi<\/h2>\n<p>Kod ve\u010dine slu\u010dajeva, perzistentni ovalni otvor ne izaziva nikakvu simptomatologiju \u0161to predstavlja osnovni razlog njegovog nedijagnostikovanja.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"uzroci\">Uzroci<\/h2>\n<p>Postojanje perzistentnog ovalnog otvora omogu\u0107ava da cirkulacija proti\u010de kroz plu\u0107ni sistem budu\u0107i da novoro\u0111en\u010de ne koristi svoja plu\u0107a tokom intrauterinog rasta i razvoja, \u00a0te se krvni protok odvija nesmetano dok defekt ne predstavlja ve\u0107i problem. Putem pup\u010dane vrpce transportuje se kiseonikom bogata krv u fetusovu desnu pretkomoru te ve\u0107ina ove krvi proti\u010de kroz ovalni foramen u levu pretkomoru. Odatle, krv prolazi putem leve komore, kojom se krv ispumpava kroz organizam. Krv se tako\u0111e transportuje iz desne pretkomore u levu komoru, \u0161to tako\u0111e ispumpava krv u organizam putem zasebnog bypass sistema. U momentu kada fetusova plu\u0107a po\u010dnu funkcionisati adekvatno i kada se cirkulacija uspostavi fiziolo\u0161kim putem, dostignute vrednosti krvnog pritiska naj\u010de\u0161\u0107e uslovljavaju zatvaranje ovalnog otvora. U slu\u010daju da proces zatvaranja izostane postnatalno, formira se perzistentni ovalni otvor. Ta\u010dan etiopatogenetski mehanizam je jo\u0161 uvek nepoznat, iako je poznato da odre\u0111eni genetski faktori poseduju ulogu u njegovom nastanku.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"komplikacije\">Komplikacije<\/h2>\n<p>U najve\u0107em broju slu\u010dajeva, perzistentni ovalni otvor ne izaziva znatne komplikacije. Ipak, postoje odre\u0111ene studije prema kojima je ustanovljeno da je navedeno oboljenje naj\u010de\u0161\u0107e kod osoba sa odre\u0111enim stanjima kao \u0161to su neobja\u0161njiv infarkt usled formiranje krvnih ugru\u0161aka u srcu kao i prisustva migrena sa aurama. U odre\u0111enim slu\u010dajevima, perzistentni ovalni otvor mo\u017ee izazvati da pove\u0107ana koli\u010dina krvi zaobilazi plu\u0107ni cirkulatorni sistem, \u0161to rezultuje niskim koncentracijama kiseonika u krvi (hipoksija). Hipoksija naj\u010de\u0161\u0107e nastaje u slu\u010daju postojanja kongenitalnih ili valvularnih oboljenja srca\u00a0 ili plu\u0107ne hipertenzije.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"lecenje\">Le\u010denje<\/h2>\n<p>Ve\u0107ina osoba sa perzistentnim ovalnim otvorom ne zahteva medicinski tretman. Kod odre\u0111enih slu\u010dajeva, lekar mo\u017ee preporu\u010diti procedure kojom \u0107e se posti\u0107i zatvaranje ovalnog otvora. U situacijama kao \u0161to su:<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 U slu\u010daju da se dete podvrgava korekciji kongenitalnog sr\u010danog defekta kao i perzistentnog ovalnog otvora<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0U slu\u010daju da se odrasla osoba podvrgava drugoj vrsti operativnog zahvata na srcu, perzistentni ovalni otvor mo\u017ee se zatvoriti tokom iste operacije.<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 U slu\u010daju da je koncentracija kiseonika u krvi niska, zatvaranje perzistentnog ovalnog otvora mo\u017ee se na\u010diniti u cilju korekcije koncentraije kiseonika koji je uslovljen postojanjem perzistentnog ovalnog otvora.<\/p>\n<p>&nbsp;<\/p>\n<p>Hirur\u0161ke i druge procedure za zatvaranje perzistentnog ovalnog otvora podrazumevaju:<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Kateterizaciju srca: Medicinska procedura koja se primenjuje sa ciljem dijagnostikovanja i le\u010denja sr\u010danih poreme\u0107aja putem plasiranja ure\u0111aja u regiju od interesa u cilju daljeg monitoringa.<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Hirur\u0161ka reparacija perzistentnog ovalnog otvora: medicinska procedura koja se primenjuje sa ciljem zatvaranja perzistentnog ovalnog otvora putem klasi\u010dnog otvaranja sr\u010dane \u0161upljine i ponovne suture.<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Medicinski pristup: anti-trombocitna terapija mo\u017ee biti od koristi kod osoba sa perzistentim ovalnim otvorom koje su prethodno imale infarkt. Navedena medikamentozna terapija mo\u017ee biti od pomo\u0107i u cilju smanjivanja rizika za nastanak krvnih ugru\u0161aka kao i njihovog prolaska kroz perzistentni ovalni otvor.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-71275","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>Perzistentni ovalni otvor - 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=\"sr_RS\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Perzistentni ovalni otvor - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Definicija Perzistentni ovalni otvor (PFO) predstavlja defekt izme\u0111u leve i desne sr\u010dane komore. 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Naj\u010de\u0161\u0107e je prisutan kod osoba i pre ro\u0111enja te se u fiziolo\u0161kim uslovima naj\u010de\u0161\u0107e zatvara neposredno po ro\u0111enju.\u00a0 U slu\u010daju nemogu\u0107nosti adekvatnog zatvaranja ovalnog otvora u postnatalnom periodu, nastali defekt naziva se foramen\u00a0 ovale. 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