Transcatheter aortic valve implantation has been hailed as an exciting technology able to treat acute cardiac stenosis in patients who cannot undergo open-heart surgery. But now the Mayo Clinic has found that the procedure requires a lot of practice. And that raises the question of how widely the nascent technology will be adopted in the U.S. and whether doctors would need credentials to perform the procedure.

MedCity News, by Arundhati Parmar, 1/3/2012

Tags: Cardiology, Mayo Clinic Rochester