Table 2.
Preoperative echocardiogram data
| Variable | All patients (n = 402) | iAVR (n = 200) | AVR + CABG (n = 202) | p |
|---|---|---|---|---|
| EF (%) | 55.4 ± 10.6 | 56.7 ± 9.3 | 54.1 ± 11.6 | 0.01 |
| Aortic peak gradient (mmHg) | 77.6 ± 25.5 | 81.8 ± 25.9 | 73.3 ± 24.5 | 0.002 |
| Aortic mean gradient (mmHg) | 48.5 ± 17 | 51.4 ± 16.9 | 45.4 ± 16.7 | 0.002 |
| Aortic valve area (cm2) | 0.8 ± 0.27 | 0.78 ± 0.26 | 0.81 ± 0.29 | 0.39 |
| Aortic valve area index (cm2 /m2) | 0.46 ± 0.16 | 0.46 ± 0.15 | 0.47 ± 0.16 | 0.94 |
| Systolic septum wall thickness (cm) | 1.44 ± 0.31 | 1.46 ± 0.32 | 1.41 ± 0.28 | 0.19 |
| Aortic valve regurgitation (grade) | 1.11 ± 1 | 1.12 ± 1.11 | 1.15 ± 0.98 | 0.80 |
| PAP (mmHg) | 37.8 ± 11.7 | 38.7 ± 12.4 | 36.7 ± 10.8 | 0.16 |
| Mitral valve regurgitation (grade) | 1.2 ± 0.6 | 1.1 ± 0.6 | 1.2 ± 0.6 | 0.27 |
iAVR isolated aortic valve replacement, CABG coronary artery bypass grafting, EF ejection fraction, PAPs pulmonary systolic arterial pressure