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Transcatheter aortic valve replacement (TAVR) has become the standard of care in patients who are at extreme risk for complications from surgery. Optimistically, a continuation of technology iteration and improvement might result in a survival advantage, as previously suggested by a study of a self-expanding TAVR device (NEJM JW Cardiol May 2014 and J Am Coll Cardiol 2014 Mar 13; [e-pub] and N Engl J Med 2014 Mar 29; [e-pub]). Now, researchers examined longer-term clinical outcomes to check whether this mortality benefit is sustained.
A total of 797 patients (mean age, 83 years; 48% female) underwent randomization to TAVR with a self-expanding valve or surgery at 45 centers in the U.S. The researchers evaluated the 2-year clinical and echoca…