When aortic stenosis occurs, there is a tightening and oftentimes calcification ... for mild and moderate aortic stenosis really is aimed at preventing the progression of the disease.

In patients greater than age 65, more than 90% of aortic stenosis involves trileaflet valves which have developed heavy calcification ... consequence to mild and moderate aortic stenosis ...

Mild or moderate calcific aortic stenosis is likely to progress with increasing deposition of calcium on the aortic cusps. The rate of progression can be quite variable, with the occasional ...