{"id":2500,"date":"2009-03-08T13:19:26","date_gmt":"2009-03-08T13:19:26","guid":{"rendered":"https:\/\/medicalcriteria.com\/web\/neuromri\/"},"modified":"2025-05-14T19:10:00","modified_gmt":"2025-05-14T19:10:00","slug":"neuromri","status":"publish","type":"post","link":"https:\/\/medicalcriteria.com\/web\/es\/neuromri\/","title":{"rendered":"Criterios Diagn\u00f3stico de Infarto en RNM para el Accidente Cerebro-Vascular Agudo"},"content":{"rendered":"<div class=\"7ca9444b8380138fe077da07353677a4\" data-index=\"1\" style=\"float: none; margin:0px 0 0px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- MC 2019- Horizontal -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-0127150553352455\"\r\n     data-ad-slot=\"3806776041\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Agudo: Baja se\u00f1al (hipointensidad) en T1, a veces dif\u00edcil de ver en este estadio, y elevada se\u00f1al (hiperintensidad) en la densidad spin y\/o secuencia T2 e im\u00e1genes en la secuencia de densidad prot\u00f3n, tomadas 8 h despu\u00e9s del comienzo; deber\u00eda seguir una distribuci\u00f3n vascular. Efecto de masa m\u00e1ximo a las 24 h, algunas veces comienza a las 2 h despu\u00e9s del evento, aun en ausencia de cambios en la se\u00f1al parenquimatosa. No refuerzo parenquimatoso con agente de contraste paramagn\u00e9tico. Refuerzo con contraste paramagn\u00e9tico territorial intravascular con arterias de \u201cbajo flujo\u201d en infartos hiperagudos; a las 48 h, el refuerzo parenquimatoso y men\u00edngeo puede ser visualizado.<!--more--><\/p>\n<p style=\"font-weight: 400;\">Subagudo (1 semana o m\u00e1s viejo): Baja se\u00f1al en T1, elevada se\u00f1al en im\u00e1genes T2. Sigue una distribuci\u00f3n vascular. La revascularizaci\u00f3n y la rotura de la barrera hematoencef\u00e1lica puede causar refuerzo parenquimatoso con agentes de contraste.<\/p>\n<p style=\"font-weight: 400;\">Viejo (algunas semanas a a\u00f1os): Baja se\u00f1al en T1, elevada se\u00f1al en T2. Efecto de masa desaparece despu\u00e9s de 1 mes. P\u00e9rdida de tejido con grandes infartos. El refuerzo parenquimatoso desaparece despu\u00e9s de algunos meses.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400;\"><strong>Bibliograf\u00eda:<\/strong><\/p>\n<ol style=\"font-weight: 400;\">\n<li>Culebras\u00a0A,\u00a0Kase\u00a0CS,\u00a0Masdeu\u00a0JC, Fox AJ, Bryan RN, Grossman CB, Lee DH, Adams HP,\u00a0Thies\u00a0W. Practice guidelines for the use of imaging in transient ischemic attacks and acute stroke.\u00a0A report of the Stroke Council, American Heart Association.\u00a0Stroke.1997 Jul;28(7):1480-97.\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/9227705\/\" target=\"_blank\" rel=\"noopener\">[Medline]<\/a><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400;\">Creado: Abr 19, 2005<\/p>\n<p><\/p>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Agudo: Baja se\u00f1al (hipointensidad) en T1, a veces dif\u00edcil de ver en este estadio, y elevada se\u00f1al (hiperintensidad) en la densidad spin y\/o secuencia T2 e im\u00e1genes en la secuencia de densidad prot\u00f3n, tomadas 8 h despu\u00e9s del comienzo; deber\u00eda seguir una distribuci\u00f3n vascular. Efecto de masa m\u00e1ximo a las 24 h, algunas veces comienza [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[231,765,593,622,1532,16,15,14,13,350,349,519,1300,514,1533],"class_list":["post-2500","post","type-post","status-publish","format-standard","hentry","category-neurology","tag-acute","tag-acv","tag-agudo","tag-brain","tag-cerebro","tag-criteria","tag-criterios","tag-diagnostic","tag-diagnostico","tag-infarction","tag-infarto","tag-mri","tag-neurology","tag-rnm","tag-stroke"],"modified_by":"Guillermo Firman","_links":{"self":[{"href":"https:\/\/medicalcriteria.com\/web\/es\/wp-json\/wp\/v2\/posts\/2500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medicalcriteria.com\/web\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medicalcriteria.com\/web\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/es\/wp-json\/wp\/v2\/comments?post=2500"}],"version-history":[{"count":3,"href":"https:\/\/medicalcriteria.com\/web\/es\/wp-json\/wp\/v2\/posts\/2500\/revisions"}],"predecessor-version":[{"id":9138,"href":"https:\/\/medicalcriteria.com\/web\/es\/wp-json\/wp\/v2\/posts\/2500\/revisions\/9138"}],"wp:attachment":[{"href":"https:\/\/medicalcriteria.com\/web\/es\/wp-json\/wp\/v2\/media?parent=2500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/es\/wp-json\/wp\/v2\/categories?post=2500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/es\/wp-json\/wp\/v2\/tags?post=2500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}