Does quantitative grading of mitral regurgitation predict clinical outcomes in patients with asymptomatic mitral regurgitation?
An effective regurgitant orifice of ≥40 mm² in asymptomatic mitral regurgitation is a strong predictor of adverse clinical outcomes, warranting early surgical intervention.
Quantitative grading of mitral regurgitation is a powerful predictor of the clinical outcome of asymptomatic mitral regurgitation. Patients with an effective regurgitant orifice of at least 40 mm2 should promptly be considered for cardiac surgery.
Enriquez‐Sarano et al. (Wed,) studied this question.
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