{"id":10277,"date":"2012-04-23T02:11:31","date_gmt":"2012-04-23T08:11:31","guid":{"rendered":"http:\/\/cardiophile.org\/?p=7476"},"modified":"2023-07-01T05:57:10","modified_gmt":"2023-07-01T00:27:10","slug":"aortic-regurgitation-leakage-of-the-valve-between-left-ventricle-and-the-aorta-2","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/aortic-regurgitation-leakage-of-the-valve-between-left-ventricle-and-the-aorta-2\/","title":{"rendered":"Aortic Regurgitation"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/bl0EBqbi1HE\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\"><\/iframe><\/p>\n<h2><span style=\"color: #008000;\">Aortic Regurgitation<\/span><\/h2>\n<p>Aortic valve prevents backflow of blood from the aorta. Aortic regurgitation or leakage of the valve between left ventricle and the aorta, can occur due to damage to the aortic valve as well as due to dilatation of the aortic root so that aortic valve leaflets fail to coapt. The latter condition occurs in <em>annulo-aortic ectasia,<\/em> enlargement of root of aorta and the valve ring, often associated with Marfan syndrome,&nbsp; a disorder of the connective tissue in which the individual has long thin extremities.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-60159 size-full\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Aortic-Regurgitation.jpg\" alt=\"\" width=\"1200\" height=\"901\" srcset=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Aortic-Regurgitation.jpg 1200w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Aortic-Regurgitation-300x225.jpg 300w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Aortic-Regurgitation-1024x769.jpg 1024w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Aortic-Regurgitation-768x577.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>Aortic regurgitation due valvular damage can occur in rheumatic fever. A bicuspid aortic valve with two cusps vs normal aortic valve which has three cusps or leaflets, can also become regurgitant as age advances. In the yester years, tertiary syphilis, a sexually transmitted disease caused by a bacterium known as Treponema pallidum, was an important cause of aortic root dilatation and aortic regurgitation.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-60163 size-full\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Bicuspid-Aortic-Valve.jpg\" alt=\"\" width=\"1380\" height=\"675\" srcset=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Bicuspid-Aortic-Valve.jpg 1380w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Bicuspid-Aortic-Valve-300x147.jpg 300w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Bicuspid-Aortic-Valve-1024x501.jpg 1024w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Bicuspid-Aortic-Valve-768x376.jpg 768w\" sizes=\"auto, (max-width: 1380px) 100vw, 1380px\" \/><\/p>\n<p>Aortic regurgitation is quantified in terms of <em>regurgitant fraction<\/em>, which is the fraction of left ventricular output that regurgitates back. It can be assessed by Doppler echocardiography,&nbsp; the ultrasound imaging of the heart, as well as angiography the x-ray cine fluroscopy aided by injection of radiocontrast material into the aorta. Aortic regurgitation leads a high systolic pressure, low diastolic pressure and a wide pulse pressure. Most of the physical signs of aortic regurgitation are due to this wide pulse pressure. The <em>pistol shot sounds over the femoral arteries<\/em>, <em>collapsing or water hammer pulse<\/em>, retinal arterial pulsations, <em>locomotor brachii or<\/em> pulsation of the artery of the arm near the elbow and <em>dancing carotids<\/em> are some of them.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-60164 size-full\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Doppler-and-Colour-Doppler-Echo-in-Aortic-Regurgitation.jpg\" alt=\"\" width=\"1201\" height=\"675\" srcset=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Doppler-and-Colour-Doppler-Echo-in-Aortic-Regurgitation.jpg 1201w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Doppler-and-Colour-Doppler-Echo-in-Aortic-Regurgitation-300x169.jpg 300w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Doppler-and-Colour-Doppler-Echo-in-Aortic-Regurgitation-1024x576.jpg 1024w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Doppler-and-Colour-Doppler-Echo-in-Aortic-Regurgitation-768x432.jpg 768w\" sizes=\"auto, (max-width: 1201px) 100vw, 1201px\" \/><\/p>\n<p>Severe aortic regurgitation leads to dilatation of left ventricle and left ventricular failure. When the left ventricle fails, end diastolic pressure rises and leads to elevated left atrial pressure and pulmonary congestion. Symptomatic aortic regurgitation needs aortic valve replacement. <em><strong>Aortic valve replacement<\/strong> <\/em>can be done using mechanical or bioprosthesis. <em>Mechanical prosthesis <\/em>requires life long anticoagulation while anticoagulation can be discontinued after an initial period in <em>bioprosthesis, <\/em>an artificial valve with animal tissue stitched on a supporting ring. Another novel technique for aortic valve replacement, especially in children is pulmonary autograft, known as Ross procedure. The pulmonary valve along with part of the main pulmonary artery is taken and made into a neo-aortic root. <em>Homograft<\/em> replacement of aortic valve can also be considered in places with homograft banks. Availability is often a problem in case of homografts.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-60165 size-full\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Ross-procedure-Pulmonary-autograft.jpg\" alt=\"\" width=\"1201\" height=\"675\" srcset=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Ross-procedure-Pulmonary-autograft.jpg 1201w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Ross-procedure-Pulmonary-autograft-300x169.jpg 300w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Ross-procedure-Pulmonary-autograft-1024x576.jpg 1024w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2012\/04\/Ross-procedure-Pulmonary-autograft-768x432.jpg 768w\" sizes=\"auto, (max-width: 1201px) 100vw, 1201px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aortic Regurgitation denotes leakage of the valve between left ventricle and the aorta, so that blood flows back into the left ventricle when it relaxes.<\/p>\n","protected":false},"author":1,"featured_media":60159,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-10277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-heart-disease-faq"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - 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