Table 2.
Preoperative echocardiographic characteristics
| All patients (N = 1356) | CST (791) | IPT (565) | P-value | |
|---|---|---|---|---|
| Peak gradient (mmHg) mean, sd | 74 (27) | 73 (26) | 76 (28) | 0.06 |
| Mean gradient (mmHg) | 45 [17] | 44 [17] | 46 (18) | 0.04 |
| Annular size (mm) | 24 [15] | 23 (21–25) | 24 (21–25) | 0.59 |
| LVF | 0.87 | |||
| Good (> 50%EF) | 81.7% | 81.9% | 81.3% | |
| Moderate (30–50%) | 14.8% | 14.8% | 14.8% | |
| Poor (< 30%) | 3.5% | 3.3% | 3.9% | |
| No. of Cusps | 0.001 | |||
| Unicuspid | 0.8% | 1.3% | 0.2% | |
| Bicuspid | 23% | 21.4% | 25.4% | |
| Tricuspid | 73.2% | 75.4% | 70.1% | |
| Prosthetic valve | 2.9% | 1.9% | 4.4% |
CST: Continues suture technique; IPT: Interrupted pledgeted technique; LVF: Left ventricular function