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Table 2 3D-echocardiographic characteristics (volumetric and functional) of the left atrium

From: Left ventricular diastolic function is strongly correlated with active emptying of the left atrium: a novel analysis using three-dimensional echocardiography

  Normal diastolic function (E/e’mean < 8) n = 30 With evidence of diastolic LV dysfunction (E/e’mean ≥ 8 & LAVmax ≥ 34 mL/m2) n = 26 p-value
2DE
 LAVSimpson (ml) 65.4 ± 20.2 69.8 ± 30.0 0.71
 LAVarea-length method (ml) 55.3 ± 21.3 56.2 ± 10.1 0.27
3DE
 LAVmax3D (ml) 54.5 ± 13.2 57.1 ± 21.3 0.87
  LAVmax3D/BSA (ml/m2) 28.5 ± 7.2 30.3 ± 12.6 0.88
  LAVmax3D/BMI (ml × m2 × kg−1) 2.2 ± 0.5 2.2 ± 1.2 0.21
 LAVmin3D (ml) 23.6 ± 7.4 28.4 ± 15.8 0.38
  LAVmin3D/BSA (ml/m2) 12.3 ± 4.0 15.1 ± 8.5 0.44
  LAVmin3D/BMI (ml × m2 × kg−1) 0.96 ± 0.31 1.10 ± 0.71 0.85
 Total SV (ml) 30.7 (26.7–34.8) 27.1 (22.1–32.3) 0.13
  Total SV/BSA (ml/m2) 15.4 (13.3–18.5) 14.1 (12.0–16.6) 0.16
  Total SV/BMI (ml × m2 × kg-1) 1.24 (1.02–1.44) 1.03 (0.86–1.17) 0.009
 ASV (ml) 5.5 (2.7–7.8) 3.0 (0.1–4.5) 0.005
  ASV/BSA (ml/m2) 2.8 (1.3–4.3) 1.5 (0.0–2.4) 0.007
  ASV/BMI (ml × m2 × kg-1) 0.21 (0.11–0.35) 0.10 (0.00–0.16) 0.002
 VpreA (ml) 34.5 (27.3–42.2) 38.1 (28.0–51.4) 0.31
 Total-EF (%) 57.0 ± 7.3 52.2 ± 11.9 0.09
 True-EF (%) 16.2 (8.1–25.4) 7.3 (0.1–11.5) 0.002
 LA-CV (ml) 31.6 (18.7–44.0) 29.9 (17.0–32.9) 0.27
 LA-CVrel (%) 52.3 ± 15.2 44.9 ± 17.9 0.11
  1. Mean ± SD or median (IQR)
  2. (LAV left atrial volume, LAV max3D 3d-measured maximal left atrial volume, LAV min3D 3d-measured minimal left atrial volume, SV stroke volume, V preA pre-atrial contraction volume, ASV atrial stroke volume, LA-CV left atrial conduit volume, LA-CV rel LA-CV expressed as percentage of LV stroke volume, BSA body surface area, BMI body mass index)