There are two broad categories of mitral regurgitation: primary, when the valve itself is the problem; and secondary, when the valves can’t close because of another issue. These groups of ...

Dr. C. Michael Gibson talks with Dr. Gregg Stone about the randomized trial of transcatheter mitral valve leaflet approximation in HF patients with secondary MR. COAPT: A Randomized Trial of ...

for treating moderate or severe mitral regurgitation (MR). In MR, blood flows backwards through the mitral valve into the ...