Table 3:
Echocardiography results before surgery and at 3-month follow-up
| Parameter | Before | After | P-value |
|---|---|---|---|
| LVEF (%) | 60 (40–60) | 60 (35–60) | NS |
| LV mass (g) | 163 (85–317) | 130 (88–257) | <0.01 |
| Aorta gradient, max (mmHg) | 72 (40–122) | 7 (3–35) | <0.01 |
| Native AVA (cm2) | 0.7 (0.3–1.0) | – | – |
| Conduit area (cm2) | – | 1.54 | – |
| Total output area (cm2) | – | 2.2 (1.9–2.5) | – |
| Total indexed valve area (cm2/m2) | 0.4 (0.2–0.5) | 1.34 (1.03–1.46) | <0.01 |
| LVOT flow (ml/min) | – | 1541 (570–2918) | – |
| Conduit flow (ml/min) | – | 3590 (2331–4200) | – |
| Percentage flow through conduit (%) | – | 69 (54–86) | – |
| TR gradient (mmHg) | 30 (29–35) | 21 (13–26) | 0.01 |
LVEF: left ventricular systolic function; AVA: aortic valve area; LVOT: left ventricle outflow tract.