Table 2 Echocardiographic and CT parameters
Variable | AVS+IR group | AVS-IR group | Control group | P Value§ |
|---|---|---|---|---|
(n = 28) | (n = 29) | (n = 28) | ||
Peak transaortic velocity, m/s | 1.6 ± 0.4* | 1.6 ± 0.3* | 1.2 ± 0.2 | < 0.001 |
Mean transaortic pressure gradient, mm Hg | 6 ± 2* | 5 ± 2* | 3 ± 1 | < 0.001 |
LV mass index, g/m2.7 | 39 ± 6 | 36 ± 9 | 37 ± 5 | 0.20 |
LV hypertrophy, n (%) | 3 (11) | 3 (10) | 0 (0) | 0.19 |
LV end-diastolic volume, mL | 85 ± 27 | 81 ± 20 | 83 ± 12 | 0.79 |
LV end-systolic volume, mL | 27 ± 14 | 26 ± 13 | 26 ± 6 | 0.94 |
LV ejection fraction,% | 70 ± 11 | 69 ± 8 | 68 ± 5 | 0.84 |
LV sphericity index | 0.46 ± 0.04*†| 0.43 ± 0.05* | 0.40 ± 0.03 | < 0.001 |
Left atrial volume index, mL/m2 | 29 ± 7* | 29 ± 9* | 25 ± 3 | 0.011 |
Transmitral E/A ratio | 0.8 ± 0.4 | 0.8 ± 0.2 | 0.8 ± 0.1 | 0.59 |
Transmitral deceleration time, ms | 233 ± 55 | 244 ± 50 | 224 ± 32 | 0.27 |
Pulmonary S/D ratio | 1.6 ± 0.5 | 1.5 ± 0.3 | 1.5 ± 0.2 | 0.25 |
E/e’ ratio | 12.5 ± 3.5* | 11.1 ± 3.4* | 8.5 ± 1.3 | < 0.001 |
Longitudinal strain,% | -16.2 ± 1.6*†| -17.2 ± 1.2* | -18.9 ± 0.8 | < 0.001 |
Longitudinal SR, s-1 | -1.18 ± 0.26*†| -1.32 ± 0.21* | -1.52 ± 0.08 | < 0.001 |
Longitudinal diastolic SR, s-1 | 1.09 ± 0.23*†| 1.23 ± 0.18* | 1.35 ± 0.12 | < 0.001 |
Circumferential strain,% | -22.9 ± 0.8 | -23.2 ± 0.6 | -23.1 ± 0.7 | 0.31 |
Circumferential SR, s-1 | -1.39 ± 0.04 | -1.39 ± 0.04 | -1.40 ± 0.05 | 0.91 |
Circumferential diastolic SR, s-1 | 1.90 ± 0.11 | 1.89 ± 0.08 | 1.88 ± 0.09 | 0.68 |
VAT area, cm2 | 113 ± 42 | 77 ± 38 | … | 0.001‡ |
SAT area, cm2 | 163 ± 74 | 127 ± 47 | … | 0.037‡ |
VAT/total fat ratio,% | 42 ± 15 | 37 ± 13 | … | 0.18‡ |
Aortic valve calcium score | 94 (11–197) | 21 (6–54) | … | 0.022‡ |