{"id":22548,"date":"2017-11-16T17:59:26","date_gmt":"2017-11-16T12:29:26","guid":{"rendered":"https:\/\/cardiophile.org\/?p=22548"},"modified":"2017-11-16T17:59:26","modified_gmt":"2017-11-16T12:29:26","slug":"myocardial-viability-assessment-2","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/myocardial-viability-assessment-2\/","title":{"rendered":"Myocardial viability assessment"},"content":{"rendered":"<h2><span style=\"color: #008000;\">Myocardial viability assessment<\/span><\/h2>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/jnC3SyWT2wY\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><br \/>\nMyocardial viability assessment: The term viable myocardium is applied to myocardium with a potentially reversible contractile dysfunction in patients with coronary artery disease. It can be divided into&nbsp;<span style=\"color: #ff0000;\">stunned myocardium<\/span>&nbsp;and&nbsp;<span style=\"color: #ff0000;\">hibernating myocardium<\/span>.&nbsp;Stunned myocardium has prolonged contractile dysfunction after a transient ischemic episode and coronary reperfusion. This automatically recovers over a period of time. Stunned myocardium is commonly noted after thrombolysis and primary percutaneous coronary intervention. Hibernating myocardium has reduced contractile function due to persistently impaired coronary blood flow. Hibernating myocardium regains contractile function partially or completely after revascularization.<\/p>\n<p>The goal of myocardial viability assessment is to identify those patients who will improve with coronary revascularization. It is useful to triage those with heart failure into ones which require revascularization vs those who require left ventricular assist devices or cardiac transplantation. It can predict the recovery of myocardial function with treatment and thus the prognosis.<\/p>\n<p>Assessment of myocardial&nbsp;contractile&nbsp;reserve&nbsp;can be done by echocardiography and cardiac magnetic resonance (CMR) imaging. Segmental thickening and systolic function can be assessed by these modalities.&nbsp;Myocardial perfusion&nbsp;can be assessed by single photon emission computerized tomography (SPECT) and myocardial contrast echocardiography.&nbsp;Metabolism&nbsp;of myocardial cells are assessed by positron emission tomography. Myocardial&nbsp;scar&nbsp;(dead myocardium) can be detected by CMR (late gadolinium enhancement or LGE) and multidetector computerized tomography (MDCT).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Myocardial viability assessment: The term viable myocardium is applied to myocardium with a potentially reversible contractile dysfunction in patients with coronary artery disease. It can be divided into\u00a0stunned myocardium\u00a0and\u00a0hibernating myocardium.\u00a0<\/p>\n","protected":false},"author":1,"featured_media":44727,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[1684,3740],"class_list":["post-22548","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","tag-hibernating-myocardium","tag-stunned-myocardium"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Myocardial viability assessment - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"description\" content=\"Myocardial viability assessment: The term viable myocardium is applied to myocardium with a potentially reversible contractile dysfunction in patients with coronary artery disease. It can be divided into\u00a0stunned myocardium\u00a0and\u00a0hibernating myocardium.\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/johnsonfrancis.org\/professional\/myocardial-viability-assessment-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Myocardial viability assessment - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"Myocardial viability assessment: The term viable myocardium is applied to myocardium with a potentially reversible contractile dysfunction in patients with coronary artery disease. It can be divided into\u00a0stunned myocardium\u00a0and\u00a0hibernating myocardium.\u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/myocardial-viability-assessment-2\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2017-11-16T12:29:26+00:00\" \/>\n<meta name=\"author\" content=\"Johnson Francis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Johnson Francis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/myocardial-viability-assessment-2\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/myocardial-viability-assessment-2\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Myocardial viability assessment\",\"datePublished\":\"2017-11-16T12:29:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/myocardial-viability-assessment-2\\\/\"},\"wordCount\":237,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/myocardial-viability-assessment-2\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"keywords\":[\"hibernating myocardium\",\"stunned myocardium\"],\"articleSection\":[\"General Cardiology\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/myocardial-viability-assessment-2\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/myocardial-viability-assessment-2\\\/\",\"name\":\"Myocardial viability assessment - All About Cardiovascular System and Disorders\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/myocardial-viability-assessment-2\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/myocardial-viability-assessment-2\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"datePublished\":\"2017-11-16T12:29:26+00:00\",\"description\":\"Myocardial viability assessment: The term viable myocardium is applied to myocardium with a potentially reversible contractile dysfunction in patients with coronary artery disease. 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