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Valvular heart disease resulting from rheumatic fever is referred to as rheumatic heart disease. Acute rheumatic fever, which frequently manifests with carditis and valvulitis, [ 20 ] is a late sequela of Group A beta-hemolytic streptococcus infection in the throat, often lagging the initial infection by weeks to months. [ 21 ]
Aortic regurgitation (AR), also known as aortic insufficiency (AI), is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction during ventricular diastole, from the aorta into the left ventricle. As a consequence, the cardiac muscle is forced to work harder than normal.
Aortic valve replacement is a cardiac surgery procedure whereby a failing aortic valve is replaced with an artificial heart valve. The aortic valve may need to be replaced because of aortic regurgitation (back flow), or if the valve is narrowed by stenosis .
[44] [45] Aortic valve calcium scoring by multidetector computed tomography (CT-AVC) is used to quantify the degree of calcification of the aortic valve. [46] According to the 2021 ESC/EACTS Guidelines for the management of valvular heart disease the recommended thresholds indicating severe aortic stenosis are > 1200 AU in women and > 2000 AU ...
Mitral valve repair is generally considered preferable to replacement. Current ACC/AHA guidelines promote repair of mitral valve in people before symptoms of heart failure develop. Symptomatic people, those with evidence of diminished left ventricular function, or those with left ventricular dilatation need urgent attention.
It is one of the two most common valvular heart diseases in the elderly, [27] and the commonest type of valvular heart disease in low and middle income countries. [ 3 ] In a study of 595 male elite football players aged 18–38 and 47 sedentary non-athletes, mitral regurgitation was found in 20% football players and 15% in control group.
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