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Ann Thorac Surg 2008;86:691. doi:10.1016/j.athoracsur.2007.12.059
© 2008 The Society of Thoracic Surgeons
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Tomaso Bottio
Giulio Rizzoli
Gino Gerosa
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Correspondence

Valve Prostheses Evaluation: It Is a Complex Scenario and Not Only a Matter of Gradient

Tomaso Bottio, MD, PhD, Vincenzo Tarzia, MD, Giulio Rizzoli, MD, Gino Gerosa, MD

Cardiovascular Institute, University of Padua, Via Giustiniani, 2, Padova 35100, Italy

(Email: tbottio@gmail.com).

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

To the Editor:

We read with interest the article by Borger and colleagues [1]. We congratulate the authors for this well-designed study, but we would like to add some brief comments. The authors compared the early (first postoperative month) in-vivo hemodynamic performances of 57 patients who received aortic Carpentier-Edwards Magna valves (Edwards Lifesciences LLC, Irvine, CA) versus 57 patients with Medtronic Hancock-II prostheses (Medtronic Inc, Minneapolis, MN). The patients were matched 1:1 according to age, sex, body surface area, and labeled valve size. The authors conclude that these tissue valves have significantly different hemodynamics.

The supra-annular concept or design refers to placement of a specifically designed prosthesis on . . . [Full Text of this Article]


Related Article

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Michael A. Borger
Ann. Thorac. Surg. 2008 86: 691-692. [Extract] [Full Text] [PDF]



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M. A. Borger
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Ann. Thorac. Surg., August 1, 2008; 86(2): 691 - 692.
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