Edwards Lifesciences' transcatheter aortic valve implantation system proves effective in the 1st reports from a global registry of valve-in-valve TAVI patients, but safety issues raise eyebrows.
Updated October 3, 2012, at 9:45 p.m. to correct the lead story.

MASSDEVICE ON CALL — The 1st reports from a global registry evaluating Edwards Lifesciences' (NYSE:EW) Sapien transcatheter aortic valve implantation inside a failing valve or mitral ring came with mixed results.*
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