Why the study?
Does the presence of contractile reserve on exercise echocardiography predict clinical outcomes and preserved left ventricular function in patients with asymptomatic severe mitral regurgitation?
Does the presence of contractile reserve on exercise echocardiography predict clinical outcomes and preserved left ventricular function in patients with asymptomatic severe mitral regurgitation?
Evaluation of contractile reserve by exercise echocardiography provides valuable prognostic information for risk stratification and optimizing the timing of surgery in patients with asymptomatic severe mitral regurgitation.
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May support contractile reserve for risk stratification in asymptomatic severe MR; leaves open whether it should guide surgical timing.
R Lee (2005) studied this question.
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