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