Table 2.
Comparison of preoperative and postoperative echocardiographic variables.
| Echographic Variables | Group A—226 Pts with AS | Group B—171 Pts with AR | ||||||
|---|---|---|---|---|---|---|---|---|
| Before Surgery | 6 Months after Surgery | 2 Years after Surgery | p-Value (Test) | Before Surgery | 6 Months after Surgery | 2 Years after Surgery | p-Value (Test) | |
| LV end-diastolic diameter (mm) | 54 ± 6 | 51 ± 9 | 47 ± 8 | 0.082321 | 65 ± 6 | 62 ± 8 | 59 ± 7 | 0.126342 |
| LV lateral wall thickness (mm) | 17 ± 0.2 | 15 ± 0.2 | 12 ± 0.2 | 0.043672 | 14 ± 0.2 | 13 ± 0.4 | 12 ± 0.2 | <0.001 |
| IVS thickness (mm) | 17.0 ± 0.4 | 15.4 ± 0.5 | 12.7 ± 0.7 | 0.052345 | 13.0 ± 0.4 | 12.0 ± 0.2 | 11.4 ± 0.4 | <0.001 |
| Mean (SD) LVEF (%) | 50 (5) | 52 (12) | 55 (10) | 0.054323 | 48 (4) | 53 (5) | 54 (6) | 0.082445 |
| EDT (msec) | 179.95 ± 60 | 184.72 ± 65 | 230.35 ± 74 | 0.051332 | 162 ± 6 | 171 ± 8 | 177 ± 7 | 0.063245 |
| IVRT (msec) | 119.5 ± 74 | 120 ± 44 | 123 ± 48 | 0.042812 | 97 ± 2 | 91 ± 4 | 83 ± 2 | 0.031843 |
| E/A | 1.6 ± 0.4 | 1.54 ± 0.5 | 1.47 ± 0.7 | 0.071254 | 1.9 ± 0.3 | 1.8 ± 0.2 | 1.9 ± 0.4 | 0.042345 |
| Ea/Aa | 1.2 ± 0.2 | 1.31 ± 0.3 | 1.38 ± 0.2 | 0.084728 | 1.1 ± 0.3 | 1.2 ± 0.3 | 1.3 ± 0.4 | 0.072672 |
| E/Ea | 8.9 ± 1.2 | 8.41 ± 0.9 | 7.92 ± 0.4 | 0.064319 | 9.7 ± 1.3 | 9.5 ± 1.3 | 8.9 ± 1.4 | 0.062531 |
LV—left ventricle; IVS—interventricular septum; LVEF—left ventricle ejection fraction; EDT—E-wave deceleration time; IVRT—isovolumetric relaxing time.