Patients with severe aortic stenosis who are at high surgical risk appear to have good outcomes with transcatheter aortic valve implantation, according to a study published online June 1, 2009, ahead of print in Circulation. In a case series that spanned 3 years of experience, procedural success rates and mortality decreased over time and structural valve failure was non-existent.

John G. Webb, MD, and colleagues from the University of British Columbia (Vancouver, Canada), reviewed short- and intermediate-term clinical outcomes of 168 patients with a mean age of 84 years who underwent either transarterial (n = 113) or transapical (n = 55) ....

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