Table 2.
Echocardiographic parameters in patients with aortic stenosis
| Total group (n=82) | Severe aortic stenosis (n=55) | Moderate aortic stenosis (n=27) | p-value* | |
|---|---|---|---|---|
| Ejection fraction -EF (%) |
63 ± 7 |
63.5 ± 7.2 |
61.7 ± 6.5 |
0.272 |
| Left ventricle end-diastolic volume index (ml/m²) |
65.6 ± 23.8 |
62 ± 23.1 |
72.8 ± 23.9 |
0.053 |
| Left ventricle end-systolic volume index (ml/m²) |
26.6 (17.2-38.1) |
23.5 (15.5-31.4) |
33.4 ± 13 |
0.007 |
| Left ventricle mass index (g/m²) |
161 ± 47.8 |
165.7 ± 45.9 |
151.5 ± 50.8 |
0.215 |
| Left atrial volume index (ml/m²) |
38 ± 14.5 |
39 ± 15.3 |
35.9 ± 12.7 |
0.369 |
| Peak aortic gradient (mmHg) |
66.5 (52-96) |
80 (65-111) |
48 ± 16 |
<0.001 |
| Mean aortic gradient (mmHg) |
43 (33-57) |
50 (42-71) |
28 ± 11 |
<0.001 |
| Aortic valve area- AVA (cm²) |
0.85 (0.65-1.14) |
0.72 ± 0.18 |
1.3 ± 0.2 |
<0.001 |
| Aortic valve area index- AVAI (cm²/m²) |
0.45 (0.36-0.62) |
0.39 (0.32-0.45) |
0.67 (0.62-0.76) |
<0.001 |
| Global longitudinal peak strain - GLPS (-%) |
14.73 ± 3.62 |
14.17 ± 3.59 |
15.87 ± 3.47 |
0.045 |
| Mitral annular plain systolic excursion - MAPSE (mm) |
11 ± 2 |
10.64 ± 1.95 |
11.76 ± 1.9 |
0.016 |
| MAPSE index (mm/m²) |
6 ± 1.1 |
5.79 ± 1.01 |
6.39 ± 1.2 |
0.02 |
| E/E’ ratio |
9.8 (7-14.4) |
10.6 (7.1-14.3) |
8.7 (6.9-14.5) |
0.386 |
| Early diastolic mitral annular velocity- E’ (cm/s) | 6 (5-9) | 6.6 ± 2.5 | 7.7 ± 3.1 | 0.1 |
*between severe and moderate AS.