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BACKGROUND It is presumed that stentless aortic bioprostheses are hemodynamically superior to stented bioprostheses. A prospective randomized controlled trial was undertaken to compare stentless versus modern stented valves. METHODS AND RESULTS Patients with severe aortic valve stenosis (n=161) undergoing aortic valve replacement (AVR) were randomized(More)
BACKGROUND To study the effect of administration of tranexamic acid on the use of blood and blood products, return to theatre for post-operative bleeding and the length of intensive care stay after primary cardiac surgery, data for 4191 patients, of all priorities, who underwent primary cardiac operation during the period between 30/10/00 and 21/09/04 were(More)
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