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Table 5 Comparison of LA function by RT3DE between CSFP patients with normal and increased LVFP

From: Incremental value of three-dimensional echocardiography for evaluating left atrial function in patients with coronary slow flow phenomenon: a case control study

 Normal LVFP (n = 50)Indeterminate LVFP (n = 8)Increased LVFP (n = 2)P-value
LA 3D Volmax (mL)51.76 ± 8.1265.54 ± 8.0382.00 ± 9.33*#< 0.001
LA 3D Volp (mL)36.77 ± 6.1748.67 ± 6.1261.10 ± 12.02*#< 0.001
LA 3D Volmin (mL)25.05 ± 5.0633.51 ± 7.4543.60 ± 10.61*#< 0.001
LA 3D total ejection fraction (%)51.74 ± 3.5650.40 ± 4.6047.20 ± 6.930.21
LA 3D active ejection fraction (%)31.96 ± 5.6431.42 ± 10.1628.98 ± 3.390.80
LA 3D passive ejection fraction (%)28.94 ± 4.3425.63 ± 5.1525.84 ± 6.220.15
  1. Abbreviation: LA left atrium, 3D three-dimensional, LA Volmax maximal LA volume in ventricular systole just before mitral valve opening, LA Volmin minimal LA volume after mitral valve closure, LA Volp LA volume at the onset of the P wave on electrocardiography
  2. *P < 0.05 vs. Normal LVFP; #P < 0.05 vs. Indeterminate LVFP