The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Patients with secondary mitral regurgitation (MR) who were left with high gradients after a MitraClip procedure were not inherently at a disadvantage in their subsequent clinical outcomes, according ...

Most patients with low-flow/low-gradient aortic stenosis (AS) have some form of mitral regurgitation (MR), but transcatheter aortic valve replacement improves MR in roughly half of this group, ...

WASHINGTON -- Operators can avoid two feared complications of transcatheter valve replacement with upfront radiofrequency-based laceration of the aortic or mitral leaflets, according to two early ...

For patients with failing bioprosthetic surgical mitral valves, the transcatheter mitral valve-in-valve (ViV) procedure provides early outcomes similar to those seen with repeat surgical replacement, ...

Please provide your email address to receive an email when new articles are posted on . Transcatheter mitral valve repair improved clinical outcomes in patients with HF across all quartiles of mitral ...

Irvine, Calif., Jan. 22, 2026 — University of California, Irvine and Philadelphia-based Jefferson Health researchers have identified fundamental structural and functional differences between two major ...