{"id":37676,"date":"2026-02-26T18:00:00","date_gmt":"2026-02-26T17:00:00","guid":{"rendered":"https:\/\/www.mgc.es\/?p=37676"},"modified":"2026-01-16T13:50:09","modified_gmt":"2026-01-16T12:50:09","slug":"laneurisme-daorta","status":"publish","type":"post","link":"https:\/\/www.mgc.es\/ca\/blog\/laneurisme-daorta\/","title":{"rendered":"L&#8217;aneurisme d&#8217;aorta"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_1 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndex de continguts<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.mgc.es\/ca\/blog\/laneurisme-daorta\/#Quan_parlem_daneurisma_aortic\" >Quan parlem d&#8217;aneurisma a\u00f2rtic<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.mgc.es\/ca\/blog\/laneurisme-daorta\/#Per_que_es_produeixen\" >Per qu\u00e8 es produeixen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.mgc.es\/ca\/blog\/laneurisme-daorta\/#Aneurismes_abdominals\" >Aneurismes abdominals<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.mgc.es\/ca\/blog\/laneurisme-daorta\/#Aneurismes_toracics\" >Aneurismes tor\u00e0cics<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.mgc.es\/ca\/blog\/laneurisme-daorta\/#Per_que_es_important_detectar-los\" >Per qu\u00e8 \u00e9s important detectar-los<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.mgc.es\/ca\/blog\/laneurisme-daorta\/#Quins_simptomes_produeix_un_aneurisma_aortic\" >Quins s\u00edmptomes produeix un aneurisma a\u00f2rtic<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.mgc.es\/ca\/blog\/laneurisme-daorta\/#Com_es_diagnostiquen\" >Com es diagnostiquen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.mgc.es\/ca\/blog\/laneurisme-daorta\/#Es_poden_prevenir\" >Es poden prevenir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.mgc.es\/ca\/blog\/laneurisme-daorta\/#Com_es_tracten\" >Com es tracten<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>El terme aneurisma prov\u00e9 del vocable grec <em>an\u00e9yrysma<\/em> i significa dilataci\u00f3. \u00c9s un problema freq\u00fcent a mesura que s&#8217;envellix i afecta a l&#8217;1-5% de la poblaci\u00f3, per\u00f2 a m\u00e9s del 5% en els majors de 60 anys, sobretot si es segueixen <a href=\"https:\/\/www.mgc.es\/ca\/blog\/prevenir-la-malaltia-cardiovascular-una-questio-dhabits\/\">h\u00e0bits poc saludables<\/a>. \u00c9s quatre vegades m\u00e9s freq\u00fcent entre homes que entre dones.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/01\/corazon-arterias.jpg\" alt=\"\" class=\"wp-image-37673\" srcset=\"https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/01\/corazon-arterias.jpg 800w, https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/01\/corazon-arterias-440x275.jpg 440w, https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/01\/corazon-arterias-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>En medicina, es denomina aneurisma arterial a una dilataci\u00f3, permanent i localitzada, en un segment de la paret de l&#8217;art\u00e8ria.<\/p>\n\n\n\n<p>L&#8217;aorta \u00e9s l&#8217;art\u00e8ria principal de l&#8217;organisme. Discorre des del cor a trav\u00e9s del t\u00f2rax, per davant de la columna vertebral, i arriba a la cavitat de l&#8217;abdomen, on es bifurca, m\u00e9s enll\u00e0 dels ronyons, en les dues art\u00e8ries il\u00edaques.<\/p>\n\n\n\n<p>Els aneurismes a\u00f2rtics s\u00f3n dilatacions en segments de l&#8217;aorta produ\u00efdes, en la major part dels casos, per l&#8217;afebliment de la paret de l&#8217;aorta lesionada pel proc\u00e9s de l&#8217;arteriosclerosi i les seves complicacions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quan_parlem_daneurisma_aortic\"><\/span>Quan parlem d&#8217;aneurisma a\u00f2rtic<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>L&#8217;art\u00e8ria aorta sana t\u00e9 un calibre (di\u00e0metre) aproximat de 2 cm. La dilataci\u00f3 major de 4 cm de l&#8217;aorta es considera significativa d&#8217;aneurisma. Per als aneurismes el di\u00e0metre dels quals \u00e9s igual o superior a 6 cm est\u00e0 generalment indicat el tractament quir\u00fargic, si b\u00e9 en molts casos s&#8217;intervenen aneurismes amb una mida a partir de 5 cm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Per_que_es_produeixen\"><\/span>Per qu\u00e8 es produeixen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Els aneurismes m\u00e9s freq\u00fcents en la pr\u00e0ctica cl\u00ednica es deuen a ateriosclerosi. Aquest proc\u00e9s degeneratiu erosiona les capes que formen la paret de l&#8217;aorta, a partir d&#8217;una lesi\u00f3 denominada placa aterioscler\u00f2tica, que pot patir fen\u00f2mens d&#8217;ulceraci\u00f3 i trombosi (la formaci\u00f3 d&#8217;un co\u00e0gul en un vas sanguini), destruint els elements de la seva capa mitjana el\u00e0stica. En aquest punt pot produir-se un eixamplament progressiu que, a causa de la pressi\u00f3 exercida per la sang, ocasionaria al seu torn una major tensi\u00f3, creant-se un cercle vici\u00f3s amb dilataci\u00f3 progressiva i ocasionalment r\u00e0pida.<\/p>\n\n\n\n<p>Aquest seria el cas d&#8217;un aneurisma adquirit, per\u00f2 els aneurismes tamb\u00e9 poden tenir un origen cong\u00e8nit, especialment en el curs de la <a href=\"https:\/\/medlineplus.gov\/spanish\/ency\/article\/000418.htm\">s\u00edndrome de Marfan<\/a> (un trastorn del teixit connectiu, que \u00e9s el que separa, suporta i connecta els diferents \u00f2rgans) o associat a altres alteracions de l&#8217;aorta des del naixement, encara que tamb\u00e9 poden ser traum\u00e0tics o d&#8217;un altre origen.<\/p>\n\n\n\n<p>En la pr\u00e0ctica cl\u00ednica, els aneurismes es classifiquen segons la seva localitzaci\u00f3, en aneurismes de l&#8217;aorta tor\u00e0cica i aneurismes de l&#8217;aorta abdominal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Aneurismes_abdominals\"><\/span>Aneurismes abdominals<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>La majoria (fins a les tres quartes parts) dels aneurismes a\u00f2rtics deguts a ateriosclerosi es localitzen en l&#8217;aorta abdominal i especialment entre les art\u00e8ries renals i la bifurcaci\u00f3 a\u00f2rtica.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Aneurismes_toracics\"><\/span>Aneurismes tor\u00e0cics<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Els aneurismes de l&#8217;aorta tor\u00e0cica constitueixen aproximadament una quarta part dels aneurismes deguts a ateriosclerosi i poden afectar qualsevol segment d&#8217;aquesta aorta: segment ascendent, l&#8217;arc (o cayado) a\u00f2rtic i el seu segment descendent, que segueix a l&#8217;aorta abdominal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Per_que_es_important_detectar-los\"><\/span>Per qu\u00e8 \u00e9s important detectar-los<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Els aneurismes petits poden no produir s\u00edmptomes en la majoria dels casos.<\/p>\n\n\n\n<p>La import\u00e0ncia cl\u00ednica dels aneurismes a\u00f2rtics se centra en les seves complicacions. Entre un 70% i un 75% dels aneurismes a\u00f2rtics es diagnostiquen en abs\u00e8ncia de s\u00edmptomes, per atzar, en el curs d&#8217;una exploraci\u00f3 abdominal o tor\u00e0cica; no obstant aix\u00f2, en ocasions poden comprimir alguna de les estructures properes i fins i tot el propi aneurisma arriba a separar les capes que formen la paret arterial a\u00f2rtica i a causa de la pressi\u00f3 que es produeix en la paret de l&#8217;aorta, avan\u00e7a a trav\u00e9s d&#8217;aquesta paret. Aquest \u00e9s el cas de la dissecci\u00f3 a\u00f2rtica, o sigui un esquin\u00e7 de l&#8217;aorta, la complicaci\u00f3 m\u00e9s temuda dels aneurismes, que pot ser mortal.<\/p>\n\n\n\n<p>Aix\u00ed, l&#8217;aneurisma progressaria disseccant les capes de l&#8217;aorta no afectades, produint s\u00edmptomes segons la seva localitzaci\u00f3 i eventualment arribant fins i tot a produir una esquerda, o a trencar l&#8217;aorta (ruptura de l&#8217;aneurisma dissecant). Com m\u00e9s gran \u00e9s la mida d&#8217;un aneurisma, major \u00e9s la seva propensi\u00f3 a la dissecci\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quins_simptomes_produeix_un_aneurisma_aortic\"><\/span>Quins s\u00edmptomes produeix un aneurisma a\u00f2rtic<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Durant l&#8217;evoluci\u00f3 de l&#8217;aneurisma, no apareixen s\u00edmptomes fins que aquest pateix complicacions, b\u00e0sicament compressi\u00f3 d&#8217;\u00f2rgans adjacents, o b\u00e9 la seva dissecci\u00f3. A causa de l&#8217;extensi\u00f3 de l&#8217;aorta, els s\u00edmptomes s\u00f3n extremadament variables segons es tracti d&#8217;aneurismes tor\u00e0cics o abdominals. Aix\u00ed mateix, els s\u00edmptomes poden ser diferents segons la regi\u00f3 de l&#8217;aorta tor\u00e0cica o abdominal afectada.<\/p>\n\n\n\n<p>La dissecci\u00f3 de l&#8217;aneurisma t\u00e9 com a s\u00edmptoma principal el dolor, definit com a extremadament intens, que apareix en m\u00e9s del 90% dels casos. En l&#8217;aorta tor\u00e0cica, el dolor per aneurisma dissecant es caracteritza per la seva intensitat i encara que pot guardar semblan\u00e7a amb el de l&#8217;infart de miocardi, sol ser molt m\u00e9s insuportable i en ocasions es despla\u00e7a, segons avanci pel trajecte de l&#8217;aorta. Pot localitzar-se en la zona anterior del t\u00f2rax i al mateix temps percebre&#8217;s en la zona posterior, a vegades en la regi\u00f3 situada entre les esc\u00e0pules. En el cas dels aneurismes abdominals, el dolor que ocasiona la seva ruptura o expansi\u00f3 es localitza a l&#8217;esquena, els flancs i l&#8217;abdomen.<\/p>\n\n\n\n<p>L&#8217;aneurisma dissecant de l&#8217;aorta constitueix una emerg\u00e8ncia m\u00e8dica per evitar la ruptura de l&#8217;aorta. La mortalitat en el cas de ruptura de l&#8217;aneurisma \u00e9s molt elevada, fins i tot abans que el pacient pugui arribar al centre hospitalari.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Com_es_diagnostiquen\"><\/span>Com es diagnostiquen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Poden diagnosticar-se mitjan\u00e7ant una radiografia o per altres t\u00e8cniques d&#8217;imatge, com l&#8217;ecografia abdominal, l&#8217;ecografia card\u00edaca que visualitza l&#8217;aorta a trav\u00e9s d&#8217;una sonda empla\u00e7ada a l&#8217;es\u00f2fag (<a href=\"https:\/\/www.texasheart.org\/heart-health\/heart-information-center\/topics\/ecocardiografia-transesofagica\/\">ecocardiografia transesof\u00e0gica<\/a>), la resson\u00e0ncia magn\u00e8tica o la tomografia computada (TAC).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Es_poden_prevenir\"><\/span>Es poden prevenir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>La majoria d&#8217;aneurismes a\u00f2rtics es presenten en persones amb factors de risc d&#8217;arteriosclerosi. La prevenci\u00f3 d&#8217;aquesta malaltia comporta fonamentalment:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Evitar l&#8217;h\u00e0bit de fumar<\/li>\n\n\n\n<li>Regulaci\u00f3 de l&#8217;augment de la pressi\u00f3 arterial (<a href=\"https:\/\/www.mgc.es\/ca\/blog\/hipertensio-la-malaltia-silenciosa\/\">hipertensi\u00f3<\/a>)<\/li>\n\n\n\n<li>Regulaci\u00f3 de les xifres elevades de <a href=\"https:\/\/www.mgc.es\/ca\/blog\/descobreix-ho-tot-sobre-el-colesterol-dhdl\/\">colesterol<\/a> (hipercolesterol\u00e8mia)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Com_es_tracten\"><\/span>Com es tracten<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Els aneurismes de petita mida no precisen tractament. S&#8217;efectuen revisions m\u00e8diques regulars amb objectiu de detectar el seu creixement o complicaci\u00f3.<\/p>\n\n\n\n<p>L&#8217;objectiu del <a href=\"https:\/\/www.nhlbi.nih.gov\/es\/salud\/aneurisma-de-aorta\/tratamiento\">tractament<\/a> \u00e9s prevenir la ruptura de l&#8217;aneurisma. El tractament cl\u00e0ssic dels aneurismes a\u00f2rtics \u00e9s quir\u00fargic.<\/p>\n\n\n\n<p>A l&#8217;hora de decidir quan intervenir quir\u00fargicament un aneurisma de l&#8217;aorta tor\u00e0cica cal ponderar el risc de la intervenci\u00f3 en si amb el que comporta la ruptura d&#8217;un aneurisma volumin\u00f3s. Aix\u00f2 \u00e9s especialment important en el cas de persones d&#8217;edat que ja pateixen altres alteracions vasculars o card\u00edaques.<\/p>\n\n\n\n<p>La intervenci\u00f3 quir\u00fargica est\u00e0 indicada si existeix una expansi\u00f3 r\u00e0pida i, sobretot, quan existeixen complicacions agudes (com una esquerda o fins i tot una dissecci\u00f3), o afecta a \u00f2rgans vitals. Aix\u00ed mateix, en els casos de s\u00edndrome de Marfan.<\/p>\n\n\n\n<p>Existeixen dues t\u00e8cniques quir\u00fargiques b\u00e0siques per al tractament d&#8217;un aneurisma.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La resecci\u00f3 de l&#8217;aneurisma i la seva substituci\u00f3 per un injert de teixit sint\u00e8tic. \u00c9s una intervenci\u00f3 s\u00e8ria i no exempta de riscos, per\u00f2 en la majoria dels casos s&#8217;aconsegueixen resultats excel\u00b7lents.<\/li>\n\n\n\n<li>Cada vegada \u00e9s m\u00e9s freq\u00fcent la reparaci\u00f3 mitjan\u00e7ant la introducci\u00f3 d&#8217;una endopr\u00f2tesi, feta d&#8217;un material flexible, per l&#8217;art\u00e8ria femoral, mitjan\u00e7ant un cat\u00e8ter. La pr\u00f2tesi es desplega quan s&#8217;arriba a l&#8217;aorta, enfortint la paret danyada.<\/li>\n<\/ul>\n\n\n\n<p><strong>Bibliografia<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/medlineplus.gov\/spanish\/ency\/article\/001119.htm\">MedLine: Qu\u00e8 \u00e9s un aneurisma d&#8217;aorta<\/a><br><a href=\"https:\/\/www.clinicbarcelona.org\/asistencia\/enfermedades\/aneurisma-de-aorta\">Hospital Cl\u00ednic de Barcelona: Qu\u00e8 \u00e9s un aneurisma<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>El terme aneurisma prov\u00e9 del vocable grec an\u00e9yrysma i significa dilataci\u00f3. \u00c9s un problema freq\u00fcent a mesura que s&#8217;envellix i afecta a l&#8217;1-5% de la poblaci\u00f3, per\u00f2 a m\u00e9s del 5% en els majors de 60 anys, sobretot si es segueixen h\u00e0bits poc saludables. \u00c9s quatre vegades m\u00e9s freq\u00fcent entre homes que entre dones. En [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":37675,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[666,15],"tags":[],"class_list":["post-37676","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-habits-saludables","category-salut"],"featured_image_src":"https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/01\/corazon-arterias.jpg","author_info":{"display_name":"Revista Inter\u00e8s Mutu","author_link":"https:\/\/www.mgc.es\/ca\/blog\/author\/interesmutu\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>L&#039;aneurisme d&#039;aorta - MGC M\u00fatua<\/title>\n<meta name=\"description\" content=\"Descobreix tot sobre els aneurismes a\u00f2rtics: causes, s\u00edmptomes (sovint sense), diagn\u00f2stic i per qu\u00e8 \u00e9s vital la prevenci\u00f3 de l&#039;arteriosclerosi (tabac, hipertensi\u00f3, colesterol). 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