Early Feasibility Study (EFS) of Abbott's Balloon-expandable (BE) TAVI System for the Treatment of Severe, Symptomatic Aortic Stenosis

Inclusion Criteria:

• Subject is at least 18 years of age

• Subject is able and willing to return for required follow-up visits and assessments

• Degenerative severe aortic valve stenosis of the native aortic valve withecho-derived criteria

Exclusion Criteria:

• Pregnant or nursing subjects

• Life expectancy for a condition other than aortic stenosis is less than 2 years

• Presence of other anatomic or comorbid conditions

• Incapacitated individuals

• Evidence of an acute myocardial infarction

• Untreated clinically significant coronary artery disease requiring revascularization

• Liver failure

• Severe mitral regurgitation or severe mitral stenosis

• etc.