Exercise May Worsen Mitral Regurgitation, University of Liege Study  
7/13/2010 9:08:43 AM

TUESDAY, July 13 (HealthDay News) -- Degenerative mitral regurgitation (MR) may worsen with increases in systolic pulmonary artery pressure (PAP) caused by exercise, which could lower chances for symptom-free survival, according to research published in the July 20 issue of the Journal of the American College of Cardiology.