{"id":2645,"date":"2023-02-09T13:43:56","date_gmt":"2023-02-09T13:43:56","guid":{"rendered":"https:\/\/www.karotidnahirurgija.com\/?page_id=2645"},"modified":"2023-02-24T12:22:24","modified_gmt":"2023-02-24T12:22:24","slug":"6-4-magnetna-rezonansa-supraaortalnih-grana-mri-arteriografija","status":"publish","type":"page","link":"https:\/\/www.karotidnahirurgija.com\/?page_id=2645","title":{"rendered":"6.4 MAGNETNA REZONANSA SUPRAAORTALNIH GRANA (MRI arteriografija)"},"content":{"rendered":"<p><a href=\"\/index.php?page_id=2205\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/02\/6-1.png\" alt=\"\"><\/a><\/p>\n<h1><a href=\"\/index.php?page_id=1408\"><\/p>\n<h1>ARTERIOGRAFIJA SUPRAAORTALNIH GRANA<\/h1>\n<p><\/a><\/h1>\n<div>\n<h3>\n<h2>6.4. MAGNETNA REZONANSA SUPRAAORTALNIH GRANA <br \/>(MRI arteriografija)<\/p>\n<h2><\/h3>\n<\/div>\n<div>\n<p class=\"western\" align=\"JUSTIFY\"><span style=\"font-size: medium;\"><b>MAGNETNA<\/b><\/span><span style=\"font-size: medium;\"><b> <\/b><\/span><span style=\"font-size: medium;\"><b>REZONANSA<\/b><\/span><span style=\"font-size: medium;\"><b> <\/b><\/span><span style=\"font-size: medium;\"><b>SUPRAAORTALNIH<\/b><\/span><span style=\"font-size: medium;\"><b> <\/b><\/span><span style=\"font-size: medium;\"><b>GRANA<\/b><\/span><span style=\"font-size: medium;\"><b> <\/b><\/span><span style=\"font-size: medium;\"><b>(MRI<\/b><\/span><span style=\"font-size: medium;\"><b> <\/b><\/span><span style=\"font-size: medium;\"><b>arteriogra<\/b><\/span><span style=\"font-size: medium;\"><b>fi<\/b><\/span><span style=\"font-size: medium;\"><b>ja)<\/b><\/span><span style=\"font-size: medium;\"><b> <\/b><\/span><span style=\"font-size: medium;\">je<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">moderna<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">i<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">neinvazivna<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">metoda.<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">Jeftinija<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">je<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">od<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">klasi\u010dne<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">arteriogra<\/span><span style=\"font-size: medium;\">fi<\/span><span style=\"font-size: medium;\">je.<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">Me\u0111utim<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">slaba<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">rezolucija<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">u<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">slu\u010daju<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">te\u0161kih<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">(multiplih)<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">lezija<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">supraaortalnih<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">grana,<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">zna\u010dajno<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">limitira<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">njenu<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">primenu.<\/span><span style=\"font-size: medium;\"> U <\/span><span style=\"font-size: medium;\">kombinaciji<\/span><span style=\"font-size: medium;\"> sa <\/span><span style=\"font-size: medium;\">Duplex-sonogra<\/span><span style=\"font-size: medium;\">fi<\/span><span style=\"font-size: medium;\">jom<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">mo\u017ee<\/span><span style=\"font-size: medium;\"> da <\/span><span style=\"font-size: medium;\">zameni<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">MSCT<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">arteriogra<\/span><span style=\"font-size: medium;\">fi<\/span><span style=\"font-size: medium;\">ju,<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">po\u0161to<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">uspe\u0161no<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">prikazuje<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">lezije<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">tipa<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">elongacije,<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\"><i>kinkinga,<\/i><\/span><span style=\"font-size: medium;\"><i> <\/i><\/span><span style=\"font-size: medium;\"><i>coilinga<\/i><\/span><span style=\"font-size: medium;\"><i> <\/i><\/span><span style=\"font-size: medium;\">i<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">disekcije.<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">MRI<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">arteriogra<\/span><span style=\"font-size: medium;\">fi<\/span><span style=\"font-size: medium;\">ja<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">mo\u017ee<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">da<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">diferencira<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">fi<\/span><span style=\"font-size: medium;\">bromuskularnu<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">displaziju<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">od<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">arterijske<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">disekcije<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">i<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">hipoplazije<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">arterija<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">sa<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">tipi\u010dnom<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">slikom<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">brojani\u010dnih<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">stenoza<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">(\u201c<\/span><span style=\"font-size: medium;\"><i>string<\/i><\/span><span style=\"font-size: medium;\"><i> <\/i><\/span><span style=\"font-size: medium;\"><i>of<\/i><\/span><span style=\"font-size: medium;\"><i> <\/i><\/span><span style=\"font-size: medium;\"><i>beads<\/i><\/span><span style=\"font-size: medium;\">\u201d).<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">MRI<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">arteriogra<\/span><span style=\"font-size: medium;\">fi<\/span><span style=\"font-size: medium;\">ja<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">mo\u017ee<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">da<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">otkrije<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">tromb<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">u<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">nivou<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">septalne<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">formacije<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">unutra\u0161nje<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">karotidne<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">arterije.<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">Brzina<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">i<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">neinvazivnost<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">MRI<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">arteriografje<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">pro\u0161iruje<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">mogu\u0107nosti<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">dijagnosti\u010dke<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">evaluacije<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">i<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">drugih<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">arterija,<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">naro\u010dito<\/span><span style=\"font-size: medium;\"> <\/span><span style=\"font-size: medium;\">bubre\u017enih.<\/span><\/p>\n<p class=\"western\" align=\"JUSTIFY\">Karakteristi\u010dni angiografski nalazi <b>fi<\/b><b>bromuskularne<\/b><b> <\/b><b>displazije<\/b><b> <\/b>\u010dine: multifoklane stenoze (brojani\u010daste ili tubularne) sa naizmeni\u010dnim smenjivanjem stenoti\u010dnih i pro\u0161irenih segmenata (\u201estring-of-beads\u201d), aneurizma, elongacija, kinking, coiling, septum obi\u010dno u nivou odstupa ACI sa ili bez megabulbusa, disekcija i okluzija.<\/p>\n<p class=\"western\" align=\"JUSTIFY\">Karakteristike arteriografskog nalaza kod <b>aorto-arteritisa<\/b>: U po\u010detnoj, infla- matornoj fazi arteriografija mo\u017ee biti uredna. Odmaklu fazu nespecifi\u010dnog aorto- arteritisa karakteri\u0161u angiografski nalazi multiplih, duga\u010dkih stenoza i okluzija aorte i subklavijalne arterije u svom postvertebralnom segmentu. Zato subclavian steal sindrom nije \u010desta pojava u obolelih od nespecifi\u010dnog aorto-arteritisa.<\/p>\n<\/div>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/02\/KNJIGA-Karotidna-hirurgija-85.png\" alt=\"\"><\/p>\n<div>\n<p align=\"CENTER\"><em>MRI arteriografija:<\/em><\/p>\n<p align=\"CENTER\"><em>Levo: stenoza ekstrakranijalnog dela unutra\u0161nje karotidne arterije koja se <\/em><em>ne mo\u017ee dovoljno precizno definisati. Desno: stenoza srednje cerebralne arterije.<\/em><\/p>\n<p align=\"CENTER\">\n<\/div>\n<div>\n<p class=\"western\" align=\"JUSTIFY\"><b>Pozitronska<\/b><b> <\/b><b>emisiona<\/b><b> <\/b><b>tomogra<\/b><b>fi<\/b><b>ja<\/b><b> <\/b><b>(PET)<\/b><b> <\/b>koristi kombinaciju fizi\u010dkih i hemijskih osobina pozitronima-obele\u017eenih \u010destica. Pozitron-emituju\u0107i izotop se prati u cirkulaciji i metabolizmu mozga. Dobija se slika se kvantitativnim podacima. Mogu\u0107e je ispitivati odnos izme\u0111u protoka krvi, metabolizma i funkcije tokom cerebralne ishemije.<\/p>\n<p class=\"western\" align=\"JUSTIFY\">Pozitronska emisiona tomografija daje informacije o: sekvenci patofiziolo\u0161kih lezija kod cerebralne ishemije, sa vremenskom dinamikom, regionalnom cerebralnom protoku, utilizaciji i ekstrakciji kiseonika iz arterijske krvi u mo\u017edanom tkivu, utilizaciji glikoze, o\u010duvanosti integriteta krvno-mo\u017edane barijere, lokalnoj acido-baznoj ravnote\u017ei u zoni reverzibilne i\/ili ireverzibilne ishemije. Tomografsko merenje cerebralnih protoka, metabolizma kiseonika, ekstrakcione frakcije kiseonika kao i klju\u010dnih faza u metabolizmu glikoze (glikoliza i glikoneogeneza) pru\u017ea informacije o stepenu funkcionalnosti pojedinih mo\u017edanih regija. Pacijenti sa redukovanom mo\u017edanom perfuzijom imaju sni\u017een metabolizam kiseonika, pove\u0107anu ekstrakcionu frakciju kiseonika<\/p>\n<p class=\"western\" align=\"JUSTIFY\">i pove\u0107an cerebralni krvni volumen u ishemi\u010dnom arealu. Patognomoni\u010dnim znakom, me\u0111u PET nalazima, smatra se porast ekstrakcione frakcije kiseonika. Tkivna vijabilnost je zbog ishemije u tom slu\u010daju ugro\u017eena. Ovakvi bolesnici imaju hemodinamsku insuficijenciju cerebralne perfuzije (\u201d<i>misery<\/i><i> <\/i><i>perfusion<\/i>\u201d). Upravo oni bi imali najvi\u0161e koristi od pravovremene revaskularizacije, naravno ako ispunjavaju klini\u010dke i arteriografske kriterijume.<\/p>\n<p class=\"western\" align=\"JUSTIFY\">Za sad je pozitronska tomografija skupa i ekskluzivna metoda, ali ve\u0107 do sada je bitno rasvetlila funkcionisanje ishemi\u010dnog mozga.<\/p>\n<\/div>\n<p><!--more--><br \/>\n<!-- {\"type\":\"layout\",\"children\":[{\"type\":\"section\",\"props\":{\"image_position\":\"center-center\",\"padding\":\"xsmall\",\"preserve_color\":true,\"style\":\"secondary\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-4,3-4\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-4\"},\"children\":[{\"type\":\"image\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2023\\\/02\\\/6-1.png\",\"image_svg_color\":\"emphasis\",\"link\":\"index.php?page_id=2205\",\"margin\":\"default\"}}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"3-4\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"\n\n<h1>ARTERIOGRAFIJA SUPRAAORTALNIH GRANA<\\\/h1>\",\"link\":\"index.php?page_id=1408\",\"title_color\":\"success\",\"title_decoration\":\"line\",\"title_element\":\"h1\",\"title_font_family\":\"default\"}},{\"type\":\"description_list\",\"props\":{\"column_breakpoint\":\"m\",\"layout\":\"grid-2\",\"list_element\":\"ul\",\"list_marker\":\"square\",\"list_marker_color\":\"primary\",\"list_size\":\"large\",\"meta_align\":\"below-content\",\"meta_style\":\"text-meta\",\"show_content\":true,\"show_link\":true,\"show_meta\":true,\"show_title\":true,\"title_element\":\"div\",\"title_grid_column_gap\":\"small\",\"title_grid_row_gap\":\"small\",\"title_grid_width\":\"auto\"},\"children\":[{\"type\":\"description_list_item\",\"props\":{\"title\":\"\n\n<h2>6.4. 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class=\\\"western\\\" align=\\\"JUSTIFY\\\"><span style=\\\"font-size: medium;\\\"><b>MAGNETNA<\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b> <\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b>REZONANSA<\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b> <\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b>SUPRAAORTALNIH<\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b> <\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b>GRANA<\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b> <\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b>(MRI<\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b> <\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b>arteriogra<\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b>fi<\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b>ja)<\\\/b><\\\/span><span style=\\\"font-size: medium;\\\"><b> <\\\/b><\\\/span><span style=\\\"font-size: medium;\\\">je<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">moderna<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">i<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">neinvazivna<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">metoda.<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">Jeftinija<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">je<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">od<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">klasi\\u010dne<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">arteriogra<\\\/span><span style=\\\"font-size: medium;\\\">fi<\\\/span><span style=\\\"font-size: medium;\\\">je.<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">Me\\u0111utim<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">slaba<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">rezolucija<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">u<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">slu\\u010daju<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">te\\u0161kih<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">(multiplih)<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">lezija<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">supraaortalnih<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">grana,<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">zna\\u010dajno<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">limitira<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">njenu<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">primenu.<\\\/span><span style=\\\"font-size: medium;\\\"> U <\\\/span><span style=\\\"font-size: medium;\\\">kombinaciji<\\\/span><span style=\\\"font-size: medium;\\\"> sa <\\\/span><span style=\\\"font-size: medium;\\\">Duplex-sonogra<\\\/span><span style=\\\"font-size: medium;\\\">fi<\\\/span><span style=\\\"font-size: medium;\\\">jom<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">mo\\u017ee<\\\/span><span style=\\\"font-size: medium;\\\"> da <\\\/span><span style=\\\"font-size: medium;\\\">zameni<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">MSCT<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">arteriogra<\\\/span><span style=\\\"font-size: medium;\\\">fi<\\\/span><span style=\\\"font-size: medium;\\\">ju,<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">po\\u0161to<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">uspe\\u0161no<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">prikazuje<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">lezije<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">tipa<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">elongacije,<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\"><i>kinkinga,<\\\/i><\\\/span><span style=\\\"font-size: medium;\\\"><i> <\\\/i><\\\/span><span style=\\\"font-size: medium;\\\"><i>coilinga<\\\/i><\\\/span><span style=\\\"font-size: medium;\\\"><i> <\\\/i><\\\/span><span style=\\\"font-size: medium;\\\">i<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">disekcije.<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">MRI<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">arteriogra<\\\/span><span style=\\\"font-size: medium;\\\">fi<\\\/span><span style=\\\"font-size: medium;\\\">ja<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">mo\\u017ee<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">da<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">diferencira<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">fi<\\\/span><span style=\\\"font-size: medium;\\\">bromuskularnu<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">displaziju<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">od<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">arterijske<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">disekcije<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">i<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">hipoplazije<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">arterija<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">sa<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">tipi\\u010dnom<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">slikom<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">brojani\\u010dnih<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">stenoza<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">(\\u201c<\\\/span><span style=\\\"font-size: medium;\\\"><i>string<\\\/i><\\\/span><span style=\\\"font-size: medium;\\\"><i> <\\\/i><\\\/span><span style=\\\"font-size: medium;\\\"><i>of<\\\/i><\\\/span><span style=\\\"font-size: medium;\\\"><i> <\\\/i><\\\/span><span style=\\\"font-size: medium;\\\"><i>beads<\\\/i><\\\/span><span style=\\\"font-size: medium;\\\">\\u201d).<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">MRI<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">arteriogra<\\\/span><span style=\\\"font-size: medium;\\\">fi<\\\/span><span style=\\\"font-size: medium;\\\">ja<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">mo\\u017ee<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">da<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">otkrije<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">tromb<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">u<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">nivou<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">septalne<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">formacije<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">unutra\\u0161nje<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">karotidne<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">arterije.<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">Brzina<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">i<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">neinvazivnost<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">MRI<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">arteriografje<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">pro\\u0161iruje<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">mogu\\u0107nosti<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">dijagnosti\\u010dke<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">evaluacije<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">i<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">drugih<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">arterija,<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">naro\\u010dito<\\\/span><span style=\\\"font-size: medium;\\\"> <\\\/span><span style=\\\"font-size: medium;\\\">bubre\\u017enih.<\\\/span><\\\/p>\\n\n\n<p class=\\\"western\\\" align=\\\"JUSTIFY\\\">Karakteristi\\u010dni angiografski nalazi <b>fi<\\\/b><b>bromuskularne<\\\/b><b> <\\\/b><b>displazije<\\\/b><b> <\\\/b>\\u010dine: multifoklane stenoze (brojani\\u010daste ili tubularne) sa naizmeni\\u010dnim smenjivanjem stenoti\\u010dnih i pro\\u0161irenih segmenata (\\u201estring-of-beads\\u201d), aneurizma, elongacija, kinking, coiling, septum obi\\u010dno u nivou odstupa ACI sa ili bez megabulbusa, disekcija i okluzija.<\\\/p>\\n\n\n<p class=\\\"western\\\" align=\\\"JUSTIFY\\\">Karakteristike arteriografskog nalaza kod <b>aorto-arteritisa<\\\/b>: U po\\u010detnoj, infla- matornoj fazi arteriografija mo\\u017ee biti uredna. Odmaklu fazu nespecifi\\u010dnog aorto- arteritisa karakteri\\u0161u angiografski nalazi multiplih, duga\\u010dkih stenoza i okluzija aorte i subklavijalne arterije u svom postvertebralnom segmentu. Zato subclavian steal sindrom nije \\u010desta pojava u obolelih od nespecifi\\u010dnog aorto-arteritisa.<\\\/p>\",\"margin\":\"default\"}}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"image\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2023\\\/02\\\/KNJIGA-Karotidna-hirurgija-85.png\",\"image_svg_color\":\"emphasis\",\"image_width\":\"500\",\"margin\":\"default\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p align=\\\"CENTER\\\"><em>MRI arteriografija:<\\\/em><\\\/p>\\n\n\n<p align=\\\"CENTER\\\"><em>Levo: stenoza ekstrakranijalnog dela unutra\\u0161nje karotidne arterije koja se <\\\/em><em>ne mo\\u017ee dovoljno precizno definisati. Desno: stenoza srednje cerebralne arterije.<\\\/em><\\\/p>\\n\n\n<p align=\\\"CENTER\\\"><\\\/p>\",\"margin\":\"default\"}}]}],\"props\":{\"layout\":\"1-2,1-2\"}}]},{\"type\":\"section\",\"props\":{\"image_position\":\"center-center\",\"padding\":\"xsmall\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p class=\\\"western\\\" align=\\\"JUSTIFY\\\"><b>Pozitronska<\\\/b><b> <\\\/b><b>emisiona<\\\/b><b> <\\\/b><b>tomogra<\\\/b><b>fi<\\\/b><b>ja<\\\/b><b> <\\\/b><b>(PET)<\\\/b><b> <\\\/b>koristi kombinaciju fizi\\u010dkih i hemijskih osobina pozitronima-obele\\u017eenih \\u010destica. Pozitron-emituju\\u0107i izotop se prati u cirkulaciji i metabolizmu mozga. Dobija se slika se kvantitativnim podacima. Mogu\\u0107e je ispitivati odnos izme\\u0111u protoka krvi, metabolizma i funkcije tokom cerebralne ishemije.<\\\/p>\\n\n\n<p class=\\\"western\\\" align=\\\"JUSTIFY\\\">Pozitronska emisiona tomografija daje informacije o: sekvenci patofiziolo\\u0161kih lezija kod cerebralne ishemije, sa vremenskom dinamikom, regionalnom cerebralnom protoku, utilizaciji i ekstrakciji kiseonika iz arterijske krvi u mo\\u017edanom tkivu, utilizaciji glikoze, o\\u010duvanosti integriteta krvno-mo\\u017edane barijere, lokalnoj acido-baznoj ravnote\\u017ei u zoni reverzibilne i\\\/ili ireverzibilne ishemije. Tomografsko merenje cerebralnih protoka, metabolizma kiseonika, ekstrakcione frakcije kiseonika kao i klju\\u010dnih faza u metabolizmu glikoze (glikoliza i glikoneogeneza) pru\\u017ea informacije o stepenu funkcionalnosti pojedinih mo\\u017edanih regija. Pacijenti sa redukovanom mo\\u017edanom perfuzijom imaju sni\\u017een metabolizam kiseonika, pove\\u0107anu ekstrakcionu frakciju kiseonika<\\\/p>\\n\n\n<p class=\\\"western\\\" align=\\\"JUSTIFY\\\">i pove\\u0107an cerebralni krvni volumen u ishemi\\u010dnom arealu. Patognomoni\\u010dnim znakom, me\\u0111u PET nalazima, smatra se porast ekstrakcione frakcije kiseonika. Tkivna vijabilnost je zbog ishemije u tom slu\\u010daju ugro\\u017eena. Ovakvi bolesnici imaju hemodinamsku insuficijenciju cerebralne perfuzije (\\u201d<i>misery<\\\/i><i> <\\\/i><i>perfusion<\\\/i>\\u201d). Upravo oni bi imali najvi\\u0161e koristi od pravovremene revaskularizacije, naravno ako ispunjavaju klini\\u010dke i arteriografske kriterijume.<\\\/p>\\n\n\n<p class=\\\"western\\\" align=\\\"JUSTIFY\\\">Za sad je pozitronska tomografija skupa i ekskluzivna metoda, ali ve\\u0107 do sada je bitno rasvetlila funkcionisanje ishemi\\u010dnog mozga.<\\\/p>\",\"margin\":\"default\"}}]}]}]}],\"version\":\"3.0.25\"} --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ARTERIOGRAFIJA SUPRAAORTALNIH GRANA 6.4. MAGNETNA REZONANSA SUPRAAORTALNIH GRANA (MRI arteriografija) MAGNETNA REZONANSA SUPRAAORTALNIH GRANA (MRI arteriografija) je moderna i neinvazivna metoda. Jeftinija je od klasi\u010dne arteriografije. Me\u0111utim slaba rezolucija u slu\u010daju te\u0161kih (multiplih) lezija supraaortalnih grana, zna\u010dajno limitira njenu primenu. U kombinaciji sa Duplex-sonografijom mo\u017ee da zameni MSCT arteriografiju, po\u0161to uspe\u0161no prikazuje lezije tipa elongacije, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2645","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>6.4 MAGNETNA REZONANSA SUPRAAORTALNIH GRANA (MRI arteriografija) - KAROTIDNA HIRURGIJA<\/title>\n<meta name=\"description\" content=\"MAGNETNA REZONANSA SUPRAAORTALNIH GRANA (MRI arteriografija) je moderna i neinvazivna metoda. Jeftinija je od klasi\u010dne arteriografije. 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