Pulmonary Hypertension in Mitral Regurgitation

Mitral regurgitation (MR) is the most common valvular lesion in the United States and the second-most common valvular lesion requiring surgery in Europe.[1][1]–[2][2] In the United States, over 2.5 million people are estimated to have moderate-to-severe MR, and this number is expected to double by

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