Post-market registry on ACURATE TA™ Transapical Aortic Bioprosthesis and ACURATE TA™ Delivery System implantation in patients presenting severe symptomatic aortic stenosis to provide safety surveillance of the device.

A single arm, prospective, multicenter, non-randomized and open registry up to 1 Year Follow-up with the Symetis ACURATE TA™ which is an aortic bioprosthesis for minimal invasive implantation via transapical access to treat patients with severe symptomatic aortic stenosis where surgical aortic valve replacement (SAVR) via open surgery is considered to be associated with high surgical risk for evaluating the safety and performance of the implantation and the safety at 30-Day Follow-up.

Inclusion Criteria:

• Patient has severe aortic stenosis
• Native aortic annulus diameter from ≥ 21mm up to ≤ 27mm
• Patient willing to participate in the study and provides signed EC-approved informed consent
• The subject and treating physician agree the subject will return for all required post-procedure follow-up visits

Exclusion Criteria:

• Patients are excluded from the registry if they are not eligible for transcatheter treatment of severe aortic stenosis with the ACURATE TA™ and Delivery System as per the Instructions For Use.

ACURATE TA™ is approved for use to treat patients with severe aortic stenosis. The registry includes all comer patients following the Instructions For Use.