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Transcatheter aortic valve implantation systems figure large in studies presented at the Transcatheter Cardiovascular Therapeutics conference this week, with researchers reporting ever-improving outcomes and looking for ways to improve the field.

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 TAVI registries showing greater success with experience, upgrades
As European clinics gain experience and new TAVI systems incorporate design improvements, the rates of procedure-related complications are sinking fast, according to registry data.  

Researchers provided updates from the Source/Source XT, Prevail XT, and France 2 registries during the TCT conference, TCT Daily reported.

Dr. Martyn Thomas of St. Thomas' Hospital in London announced that major complications associated with TAVI had gone down between the Source studies of Edwards Lifesciences' (NYSE:EW) Sapien device and the Source XT studies of the Sapien XT device, which features a cobalt-chromium frame and additional valve sizing.

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