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Aortic regurgitation (AR) is a possible complication following transcatheter aortic valve implantation (TAVI) which is associated with less-favourable outcomes. Quantification of total regurgitation caused by multiple, multidirectional jets remains controversial. The purpose of this study was to assess the usefulness of retrograde contrast echocardiography in quantification of total AR following TAVI and to evaluate its prognostic significance.

Contrast echocardiography: a novel technique for assessment of total aortic regurgitation following transapical aortic valve implantation