Key Points Mitral regurgitation (MR) is a significant problem, and the number of patients with MR is growing together with increased numbers of patients with congestive heart failure. Various percutaneous approaches to mitral valve repair are under preclinical and clinical…
Paravalvular leak (PVL) complicating mechanical or bioprosthetic surgical valve replacement is an uncommon but occasional occurrence. Various series have demonstrated an incidence of 2% to 12% after mitral valve replacement (MVR) and 1% to 5% after aortic valve replacement (AVR).…
Open full size image Introduction Calcified coronary lesions present an important challenge to interventional cardiologists. Because of the rigidity and noncompliance of a heavily calcified coronary artery segment, heavy calcification was a risk factor for traditional balloon angioplasty failure and…