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Ann Thorac Surg 2002;73:778
© 2002 The Society of Thoracic Surgeons

Invited commentary

Dieter Horstkotte, MDa

a Department of Cardiology Heart Center North Rhine-Westphalia Ruhr University of Bochum Georgstrasse 11 32545 Bad Oeynhausen, Germany

e-mail: akohlstaedt@hdz-nrw.de

Presented at the Thirty-seventh Annual Meeting of The Society of Thoracic Surgeons, New Orleans, LA, Jan 29–31, 2001.

An outer diameter given, stentless valves are purported to have hemodynamic benefits due to larger effective orifice areas. While past observational studies demonstrated low pressure gradients, Cohen and colleagues sought to examine the influence of valve design on myocardial re-remodeling and the patient’s postoperative functional status in a randomized trial. The authors are to be commended for undertaking such a rigorous study design on a topic of great interest to clinicians. In doing so, they reached unexpected conclusions. First, left ventricular mass regression, as their primary endpoint, does not differ after 12 months of follow-up in a . . . [Full Text of this Article]


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Are stentless valves hemodynamically superior to stented valves? A prospective randomized trial
Gideon Cohen, George T. Christakis, Campbell D. Joyner, Christopher D. Morgan, Miguel Tamariz, Naoji Hanayama, Hari Mallidi, J.P. Szalai, Marko Katic, Vivek Rao, Stephen E. Fremes, and Bernard S. Goldman
Ann. Thorac. Surg. 2002 73: 767-778. [Abstract] [Full Text] [PDF]





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