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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 .
An aortic valve repair will realistically be possible in the absence of calcification or shrinking (retraction) of the aortic valve. Thus, congenital aortic stenosis may be treated by aortic valve repair. [2] In acquired aortic stenosis valve replacement will be the only realistic option.
Aortic stenosis; In the center an aortic valve with severe stenosis due to rheumatic heart disease. The valve is surrounded by the aorta. The pulmonary trunk is at the upper right. The right coronary artery, cut lengthwise, is at the lower left. The left main coronary artery, also cut lengthwise, is on the right. Specialty: Cardiac surgery ...
Diagram of the human heart. Several adaptations of the Ross procedure have evolved, but the principle is essentially the same; to replace a diseased aortic valve with the person's own pulmonary valve (autograft), and replace the person's own pulmonary valve with a pulmonary valve from a cadaver (homograft) or a stentless xenograft.
The important role of depletion of von Willebrand factor in aortic stenosis was first proposed in 1992 by Warkentin et al. [7] They noted a known association between aortic stenosis (in addition to other cardiac diseases) and acquired von Willebrand's disease type IIA, [20] which is corrected by surgical replacement of the aortic valve. They ...
Guidelines and indications are specific to different patient populations. For adults with aortic stenosis, guidelines suggest that balloon aortic valvuloplasty (BAV) is to be used as a temporary procedure to improve blood flow through the aortic valve to alleviate symptoms and stabilize clinically before having more invasive procedures done, including aortic valve replacement (AVR) or ...
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