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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 .
OAS is distinct from aortic valve repair and aortic valve replacement, as OAS describes surgery of the aorta, rather than of the heart valves. When the aortic valve is diseased in addition to the ascending aorta, the Bentall procedure is used to treat the entire aortic root.
The Bentall procedure is a type of cardiac surgery involving composite graft replacement of the aortic valve, aortic root, and ascending aorta, with re-implantation of the coronary arteries into the graft. This operation is used to treat combined disease of the aortic valve and ascending aorta, including lesions associated with Marfan syndrome.
As of 2014, the Ross procedure comprises less than 1% of all aortic valve replacements in North America. [1] The procedure was first performed using the subcoronary method in 1967 by Donald Ross, for whom the procedure is named. [8] [11] The root replacement method was introduced in the early 1970s. [8]
Catheter replacement of the aortic valve (called trans-aortic valve replacement or implementation [TAVR or TAVI]) is a minimally invasive option for those suffering from aortic valve stenosis. TAVR is commonly performed by guiding a catheter from the groin to the narrowed valve via the aorta using realtime x-ray technology.
There are two options: tubular ascending aortic replacement or replacement of the aortic root. Tubular ascending aortic replacement. The aorta is divided above the aortic valve and root. The avascular graft is then sutured to the aortic root. The form of the aortic valve may have been changed by this maneuver, it thus has to be carefully checked.
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