{"id":22102,"date":"2017-06-12T08:20:41","date_gmt":"2017-06-12T02:50:41","guid":{"rendered":"https:\/\/cardiophile.org\/?p=22102"},"modified":"2024-02-04T20:05:02","modified_gmt":"2024-02-04T14:35:02","slug":"cardiology-x-ray-quiz-2","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/cardiology-x-ray-quiz-2\/","title":{"rendered":"Cardiology X-Ray quiz-Prosthetic valve"},"content":{"rendered":"<h2><span style=\"color: #008000;\">Cardiology X-Ray quiz-Prosthetic valve<\/span><span style=\"color: #0000ff;\"><strong><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-32226\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2017\/06\/Mitral-Starr-Edwards-Prosthetic-Valve.jpg\" alt=\"\" width=\"1200\" height=\"1142\" \/><\/strong><\/span><\/h2>\n<p><strong><span style=\"color: #0000ff;\">What type of prosthetic valve is seen on this chest X-ray?<\/span><\/strong><\/p>\n<p><span style=\"color: #008000;\"><strong>Discussion<\/strong><\/span><\/p>\n<p>It is a caged ball prosthesis with four struts facing downwards and to the apex, suggestive of mitral location. The valve is below the line joining the pulmonary bay and right cardiophrenic angle. Aortic prosthesis is situated above this line. Prominent ascending aorta and aortic knuckle as well as sternotomy suture wires are visible. Right atrium is enlarged, with a shadow within shadow indicating co-existing left atrial enlargement. Both these can be a sequelae of previous mitral valve disease. Left atrial appendage is not prominent on the left cardiac border, possibly because it has been removed during a previous closed surgical mitral valvotomy.<\/p>\n<p>Significant cardiomegaly with enhanced cardiothoracic ratio is also visible. This in addition to findings of double atrial enlargement could mean either other valvular lesions which have progressed later or paraprosthetic mitral regurgitation. Some also develop significant left ventricular dysfunction in the long run if the ventricular myocardium had undergone fibrosis due to long term load of the previous valvular lesion, which may not recover fully after surgery.\u00a0A prominent descending aortic shadow is also seen behind the cardiac silhouette. Aortic dilatation along with cardiomegaly and left atrial enlargement may indicate a pre-existing aortic regurgitation which has now become severe. Atherosclerotic changes in aorta as age advances, is also a possibility.<\/p>\n<p>Though Starr\u2013Edwards prosthetic valves have now gone out of production, some remarkable long term performance has been reported. A patient who was undergoing mitral valve replacement was found to have an aortic Starr\u2013Edwards prosthetic valve which was implanted 51 years back and still functioning well and left in situ [1].\u00a0Though such instances are there, SEP has now been supplanted by lower profile bileaflet valves with better hemodynamic profile, lesser risk of thromboembolic complications and longer durability, which only time will tell.<\/p>\n<p><span style=\"color: #0000ff;\"><strong>Reference<\/strong><\/span><\/p>\n<ol>\n<li>Amrane M, Soulat G, Carpentier A, Jouan J. <a href=\"https:\/\/academic.oup.com\/ehjcr\/article\/1\/2\/ytx014\/4769310\">Starr-Edwards aortic valve: 50+ years and still going strong: a case report<\/a>. Eur Heart J Case Rep. 2017 Dec 20;1(2):ytx014.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Cardiology X-Ray quiz- X-ray chest PA view shows:<br \/>\na)\u00a0Starr\u2013Edwards prosthetic mitral valve<br \/>\nb)\u00a0Starr\u2013Edwards prosthetic aortic valve<br \/>\nc)\u00a0Bjork\u2013Shiley prosthetic tricuspid valve<br \/>\nd)\u00a0Bjork\u2013Shiley prosthetic pulmonary valve<\/p>\n","protected":false},"author":1,"featured_media":62533,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[4],"tags":[3687],"class_list":["post-22102","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cardiology-x-ray","tag-starr-edwards-prosthetic-valve-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cardiology X-Ray quiz - View this X-ray and choose the correct answer<\/title>\n<meta name=\"description\" content=\"Cardiology X-Ray quiz- X-ray chest PA view shows: Correct answer: a)\u00a0Starr\u2013Edwards prosthetic mitral valve - 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