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Short-term effects of transcatheter aortic valve implantation
  1. David Cunningham
  1. Correspondence to David Cunningham, Director, Central Cardiac Audit Database (CCAD), UK; david.cunningham{at}

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To the Editor I read with interest the paper by Gotzmann et al in Heart1 demonstrating some very important differences after transcatheter aortic valve implantation (TAVI), particularly improvements in exercise tolerance and quality of life. I do have some reservations, however, on the statistical methodology …

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    Michael Gotzmann Andreas Mügge