Table 5.
Echocardiographic data.
| Variable | BP | VSP | P-value |
|---|---|---|---|
| Baseline | N = 29 | N = 20 | |
| LV ejection fraction at baseline (%) | 56.0 (52.0–61.0) | 59.0 (57.0–64.0) | 0.09 |
| LVEDV index (ml/m²) | 86.8 (75.3–115.1) | 61.1 (47.9–93.8) | 0.02 |
| LVEDD index (cm/m²) | 2.81 (2.65–3.48) | 2.54 (2.17–3.08) | 0.04 |
| Discharge | N = 28 | N = 20 | |
| LV ejection fraction at discharge (%) | 55.0 (47.0–59.0) | 58.0 (55.0–65.0) | 0.07 |
| LVEDV index at discharge (ml/m²) | 64.8 (53.9–80.2)a | 52.0 (43.8–67.9) | 0.03 |
| LVEDD index at discharge (cm/m²) | 2.46 (2.26–2.74)a | 2.45 (2.18–2.69)a | 0.48 |
| Peak LV\aorta gradient at discharge (mm Hg) | 19.0 (18.0–21.0) | 8.5 (7.0–10.0) | <0.001 |
| Mean LV\aorta gradient at discharge (mm Hg) | 10.0 (9.0–11.0) | 5.0 (4.0–5.0) | <0.001 |
| Aortic regurgitation ≥2 at discharge | 1 (3.6) | 0 | >0.99 |
| Follow-up | N = 27 | N = 20 | |
| Echo follow-up (months) | 38.0 (13.0–60.0) | 23.0 (17.5–37.0) | 0.11 |
| LV ejection fraction at follow-up (%) | 55.3 (46.6–64.4) | 49.2 (41.6–56.3) | 0.94 |
| LVEDV index at 1 year (ml/m²) | 55.3 (46.6–64.4)a | 50.5 (44.3–59.2)a | 0.12 |
| LVEDD index at 1 year (cm/m²) | 2.38 (1.99–2.53)a | 2.33 (2.14–2.61)a | 0.65 |
| Peak LV\ aorta gradient at follow-up (mm Hg) | 23.0 (18.0–23.0) | 11.0 (10.0–15.0) | <0.001 |
| Mean LV\ aorta gradient at follow-up (mm Hg) | 11.0 (10.0–14.0) | 7.0 (5.0–7.7) | 0.001 |
| Aortic regurgitation ≥2 at follow-up | 1 (3.7) | 1 (5.0) | >0.99 |
Values are presented as median (interquartile range), or n (%). The bold values are P < 0.05. BP, Bentall procedure; LV, left ventricle; LVEDD, left ventricular end-diastolic diameter; LVEDV, left ventricular end-diastolic volume; VSP, valve-sparing procedure.
a
P-value < 0.05 in comparison with baseline data.