Table 2 Echocardiographic features
Variable | Value |
|---|---|
2D measurements (N = 168) | |
 LV end-diastolic diameter (mm) | 48 ± 6 |
 LV end-systolic diameter (mm) | 30 ± 5 |
 Interventricular septum thickness (mm) | 12 ± 2 |
 Posterior wall thickness (mm) | 11 ± 2 |
 LV mass index (g/m2) | 109 ± 34 |
 LV end-diastolic volume index (mL/m2) | 63 ± 20 |
 LV end-systolic volume index (mL/m2) | 24 ± 11 |
 LV stroke volume index (mL/m2) | 40 ± 10 |
 LV ejection fraction (%) | 63 ± 6 |
 E velocity (cm/s) | 96 ± 42 |
 A velocity (cm/s) | 104 ± 36 |
 E/A ratio | 0.9 ± 0.4 |
 Septal e’ velocity (cm/s) | 5.4 ± 1.7 |
 Septal E/e’ ratio | 17.3 ± 7.5 |
 Aortic valve peak velocity (m/s) | 4.4 ± 0.5 |
 Aortic valve mean gradient (mm Hg) | 49 ± 12 |
 Aortic valve area (cm2) | 0.89 ± 0.16 |
 Aortic valve area index (cm2/m2) | 0.46 ± 0.07 |
 Total arterial stiffness (mm Hg/mL) | 0.8 ± 0.3 |
 Total arterial compliance (mL/mm Hg) | 1.5 ± 0.7 |
 Systemic vascular resistance (mL/mm Hg/m2) | 1368 ± 438 |
 Systemic vascular resistance index (dynes•s/cm−5) | 2628 ± 788 |
 Valvulo-arterial impedance (Zva) (mm Hg/mL/m2) | 3.7 ± 0.7 |
3D measurements (N = 165) | |
 LV end-diastolic volume index (mL/m2) | 62 ± 16 |
 LV end-systolic volume index (mL/m2) | 24 ± 9 |
 LV stroke volume index (mL/m2) | 38 ± 9 |
 LV ejection fraction (%) | 61 ± 5 |