Functional Mitral Regurgitation at Discharge and Outcomes in Patients Hospitalized for Acute Decompensated Heart Failure with a Preserved or Reduced Ejection Fraction

Our findings demonstrate that even mild FMR is associated with an increased risk of adverse outcomes in HF patients with a preserved EF, while moderate or severe FMR (but not mild FMR) is associated with adverse outcomes in HF patients with a reduced EF.