What is the definition or description of: aortic valve replacement?

Replacing valve: The patients aortic valve leaflets are cut out and a prosthetic valve is sewn to the patients aortic valve annulus. It is done using cardiopulmonary bypass. Choices of valve are mechanical or bio prosthetic.

Straight forward: The aortic valve is replaced by instituting cardiopulmonary bypass and cardioplegic arrest. The aorta is cut open after stopping the heart, the diseased valve and calcium is removed, the aortic anulus is sized and a tissue valve or a mechanical valve is sewn in place, co2 flush used to aid deairing, aorta closed, heart restarted, cpb discontinued, hemostasis accomplished and wound closed.