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Valve sparing aortic root replacement (VSARR) is an alternative procedure to the composite aortic valve graft (CAGVR, Bentall procedure). A notable benefit of VSARR is the reduced need for anticoagulation, as the patient's own aortic valve is spared and does not need to be replaced with a mechanical or bioprosthetic valve. [11]
Björk–Shiley valve, as depicted in patent #US003824629. The Björk–Shiley valve is a mechanical artificial heart valve. The valve was co-invented by American engineer Donald Shiley and Swedish heart surgeon Viking Björk. Beginning in 1971, it has been used to replace aortic valves and mitral valves. It was the first successful tilting ...
An aortic homograft is an aortic valve from a human donor, retrieved either after their death or from a heart that is removed to be replaced during a heart transplant. [12] A pulmonary autograft, also known as the Ross procedure , is where the aortic valve is removed and replaced with the patient's own pulmonary valve (the valve between the ...
In that context, the new generation aortic mechanical valve (On-X) offers a potential lifetime solution without need for a repeat operation, while minimizing the risks of long-term anticoagulation due to reduced anticoagulation target INR of 1.5 to 2.0.
Contrary to valve replacement with mechanical prostheses inhibition of the blood clotting system (anticoagulation) is not necessary after aortic valve repair. Blood-thinning may only be necessary if atrial fibrillation occurs or persists in order to prevent blood clot formation in the left atrium.
[1] [4] It is an alternative to a mechanical valve replacement, particularly in children and young adults. [7] It avoids the need for thinning the blood, has favourable blood flow dynamics and the valve grows as the person grows. [7] The most common reason for performing the Ross procedure in children and young adults is for bicuspid aortic ...
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