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Predictors of 1-year mortality in patients with aortic regurgitation after transcatheter aortic valveimplantation: an analysis from the multicentre German TAVI registry
In this study the authors use data from 1432 patients included in the German TAVI registry to identify variables which predict poor outcome in patients left with more than mild aortic regurgitation (AR) following TAVI. The Medtronic Core Valve prosthesis had been used in the great majority of the procedures. 1-year follow up data was available in 92% of the patients. Of these patients, 201 (15.2%) were found to have significant AR. Using Cox regression analysis, only more than mild pre-existing mitral regurgitation and pulmonary hypertension were identified as independent predictors of 1-year mortality .