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PLoS One. 2019 May 31.

Early versus newer generation transcatheter heart valves for transcatheter aortic valve implantation: Echocardiographic and hemodynamic evaluation of an all-comers study cohort using the dimensionless aortic regurgitation index (AR-index).

Stundl A, Lucht H, Shamekhi J, Weber M, Sedaghat A, Mellert F, Grube E, Nickenig G, Werner N, Sinning JM

More than mild paravalvular aortic regurgitation (pAR) negatively impacts prognosis after transcatheter aortic valve implantation (TAVI). "Newer generation" transcatheter heart valves (THVs) including Direct Flow Medical, Medtronic Evolut R, Boston Lotus, and Edwards SAPIEN 3 valve system promise to improve outcome by reducing the rate of TAVI-related issues such as pAR. Aim was to evaluate and compare the hemodynamic performance with AR index of "early" vs. "newer generation" THVs and its impact on outcome.

PMID: 31150455