- Aortic Stenosis: Patients with Moderately-severe [Peak Aortic valve gradient (AVG): 50-60 mmHg; Mean AVG: 30-40 mmHg; Effective orifice area (EOA): 0.75-1.0 cm2] and severe Aortic Stenosis [Peak AVG: above 60 mmHg; Mean AVG: above 40 mmHg; EOA: below 0.75 cm2]