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Original Articles: Adult Cardiac

Invited Commentary

Medical City Dallas Hospital, 7777 Forest Ln, Suite A323, Dallas, TX 75230

(Email: tdewey@csant.com).

Transcatheter aortic valve implantation (TAVI), either retrograde through a transfemoral approach or antegrade through a transapical approach, has become a clinical reality in the treatment of critical aortic stenosis in high-risk patients. The commercialization of both self-expanding and balloon expandable platforms in Europe, together with their escalating use, has the potential for intrinsically altering the way we think of the treatment for aortic stenosis. Despite the early enthusiasm for this technology, a number of critical questions remain unanswered, such as:

1 What . . . [Full Text of this Article]