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Table 3 Comparison of echocardiography and magnetic resonance imaging (MRI) data according to left ventricle ejection fractions (LV EFs)

From: Assessment of cardiac remodeling in asymptomatic mitral regurgitation for surgery timing: a comparative study of echocardiography and magnetic resonance imaging

  Patients with preserved LV EF (≥60%) in TTE and depressed EF(<60%) in MRI Patients with preserved LV EF (≥60%) both in TTE and MRI p
n 9 12  
Age (yrs) 50 ± 15 40 ± 16 0.17
LA volume (cm3) 86.1 ± 47.36 70.36 ± 31.42 0.67
EROA (cm2) 0.27 ± 0.13 0.28 ± 0.18 0.8
CFA (cm2) 7.38 ± 2.62 7.20 ± 4.17 0.65
LA EF 0.19 ± 0.09 0.33 ± 0.14 0.025
RUPV index 0.16 ± 0.06 0.24 ± 0.08 0.024
  1. CFA: color flow area, EF: ejection fraction, EROA: effective regurgitant orifice area, LA: left atrium, LV: left ventricle, MRI: magnetic resonance imaging, RUPV: right upper pulmonary vein, TTE: transthoracic echocardiography.