Why the study?
Does exercise-induced right ventricular dysfunction predict valve surgery-free survival in asymptomatic patients with moderate to severe mitral regurgitation?
Does exercise-induced right ventricular dysfunction predict valve surgery-free survival in asymptomatic patients with moderate to severe mitral regurgitation?
Exercise-induced right ventricular dysfunction, specifically assessed by exercise TAPSE, provides important incremental prognostic value for predicting the need for valve surgery in asymptomatic patients with moderate to severe mitral regurgitation.
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May support risk stratification in asymptomatic MR; leaves open whether exercise TAPSE should guide surgical timing.
Kusunose et al. (2013) studied this question.
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