Table 3. Conventional echocardiographic parameters of the LV.
| Left heart chamber parameters | Pre-HD | Post-HD | p-value | |
|---|---|---|---|---|
| Septal thickness (mm) | 10.9 ± 1.7 | 10.7 ± 2.0 | 0.292 | |
| Posterior wall thickness (mm) | 10.3 ± 2.1 | 10.4 ± 1.8 | 0.692 | |
| LV end-diastolic dimension (mm) | 51.4 ± 5.5 | 48.1 ± 5.7 | < 0.001 | |
| LV end-systolic dimension (mm) | 31.2 ± 4.2 | 29.3 ± 4.5 | < 0.001 | |
| LV end-diastolic volume (mL/m2) | 67.4 ± 15.7 | 56.2 ± 17.9 | < 0.001 | |
| LV end-systolic volume (mL/m2) | 23.6 ± 6.5 | 20.6 ± 7.8 | < 0.001 | |
| Stroke volume (mL/m2) | 42.2 ± 10.0 | 35.7 ± 10.8 | 0.033 | |
| LVEF (%) | 65.1 ± 4.4 | 63.6 ± 4.3 | 0.023 | |
| LV mass index (g/m2) | 119.9 ± 29.4 | 109.9 ± 30.3 | < 0.001 | |
| LV diastolic functional parameters | ||||
| E wave (cm/s) | 80.3 ± 24.7 | 58.4 ± 23.1 | < 0.001 | |
| A wave (cm/s) | 87.5 ± 19.8 | 85.6 ± 29.1 | 0.685 | |
| E/A ratio | 0.95 ± 0.34 | 0.74 ± 0.30 | < 0.001 | |
| Deceleration time (ms) | 209.2 ± 43.1 | 224.0 ± 46.2 | 0.015 | |
| Isovolumic relaxation time (ms) | 84.4 ± 15.6 | 101.4 ± 23.8 | < 0.001 | |
| A wave duration (ms) | 147.6 ± 17.7 | 148.9 ± 18.4 | 0.640 | |
| LA volume index (mL/m2) | 49.7 ± 13.8 | 36.9 ± 14.4 | < 0.001 | |
| e′ velocity (cm/s) | 6.61 ± 1.62 | 6.00 ± 1.50 | 0.001 | |
| a′ velocity (cm/s) | 12.83 ± 5.08 | 8.91 ± 1.42 | 0.298 | |
| Average of the septal and lateral E/e′ | 12.83 ± 5.08 | 10.05 ± 4.22 | < 0.001 | |
HD: hemodialysis, LA: left atrial, LV: left ventricle, LVEF: left ventricular ejection fraction, e′: early diastolic tissue velocity at septal mitral annulus, a′: late diastolic annulus velocity