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Original Articles: Cardiovascular

Invited commentary

Head of Research Department, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Str. 7, Kiel D-24105, Germany

(Email: lutter@kielheart.uni-kiel.de).

The first 20% of the full text of this article appears below.

Patient prosthesis mismatch is undesirable and continues to be a controversial topic since the beginning of aortic valve replacement. The major issue with patient prosthesis mismatch is the effective orifice area: all valve prostheses except stentless bioprostheses had a significantly smaller effective orifice area than the normal native valve. Therefore, in many patients with prosthetic heart valves, left ventricular outflow obstruction improved from severe to moderate [1], but a pathologic transprosthetic pressure gradient remains. In the case of a . . . [Full Text of this Article]

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