Aortic valve replacement - Ross
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There are a number of types of replacement operations.

·Ross
The aortic valve is removed and replaced by the patient's pulmonary valve (this is known as an autograft).
The pulmonary valve is then replaced with a preserved human pulmonary valve, known as a homograft.)

·Mechanical
The mechanical valve has the advantage of the longest durability and the lowest probability of re-operation. However, because of the nature of the prosthetic material in mechanical valves, long-term anticoagulation with warfarin is an absolute necessity.

·Other
The diseased valve is replaced using a tissue bioprosthesis (xenograft) or a preserved human valve (homograft).


Bioprosthetic valve

Mechanical valve