Table 2.
Perioperative Data of matched pairs
| Variable | Sternotomy (n = 165) | MIMVS(n = 165) | p Value |
|---|---|---|---|
| Cross-clamp time, minutes | 49 ± 11 | 65 ± 13 | 0.0000 |
| Bypass time, minutes | 88 ± 17 | 99 ± 25 | 0.0000 |
| Mitral valve repair | 52(31.5%) | 50(30.3%) | 0.657 |
| Ventilation time, hours | 10.4 ± 2.7 | 6.2 ± 1.1 | 0.0000 |
| New onset of AF, n | 51(30.9%) | 43(26.1%) | 0.329 |
| Stroke, n | 2(1.2%) | 3(1.8%) | 1.000 |
| Blood transfusion, n | 67(40.6%) | 26(15.7%) | 0.000 |
| Reoperation for bleeding, n | 4(2.4%) | 1(0.6%) | 0.367 |
| Drainage Postoperative 6 h(ml) | 175 ± 50 | 30 ± 5 | 0.0000 |
| Drainage Postoperative 24 h(ml) | 400 ± 150 | 120 ± 20 | 0.0000 |
| Deep wound infection, n | 6(3.6%) | 0 | 0.039 |
| Prolonged ventilation(>24 h) | 10(6.1%) | 3(1.8%) | 0.048 |
| Intensive care unit stay (h) | 30.6 ± 19.5 | 24.3 ± 9.7 | 0.0002 |
| Postoperative length of stay(days) | 10.5 ± 2.0 | 8.0 ± 1.0 | 0.0000 |
| In-hospital mortality | 2(1.2%) | 1(0.6%) | 1.000 |
AF = atrial fibrillation