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The TMVR procedure provided acceptable outcomes in high-risk patients with degenerated bioprostheses or failed annuloplasty rings, but mitral ViR was associated with higher rates of procedural complications and mid-term mortality compared with mitral ViV.

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This registry represents the largest published real-world experience of the Evolut R valve. The procedural success rate was high and safety was excellent, comparable with previous studies of the Evolut R valve and other second-generation devices. The low rate of complications represents an improvement on first-generation devices.

This analysis represents the largest published series on use of the LOTUS valve. Outcomes using this valve are excellent. In-hospital mortality is very low. Complication rates are low, and the LOTUS valve improves on first-generation valves, particularly with regard to residual aortic regurgitation.