Features | Minimally invasive beating heart (n = 30) | Median resternotomy arrested heart (n = 50) | P Value |
---|---|---|---|
Operation time(hours) | 3.75 ± 0.45 | 4.17 ± 0.62 | 0.002 |
Cross-clamp time(minutes) | 86.3 ± 8.06 | ||
CPB time(minutes) | 130.2 ± 19.3 | 165.2 ± 27.6 | < 0.001 |
Conversion to sternotomy | 1 (3.3%) | ||
Re-exploration for bleeding | 1 (3.3%) | 4 (8.0%) | 0.72 |
Intraoperative IABP | 1 (3.3%) | 4 (8.0%) | 0.72 |
Blood loss(ml) | 515 ± 188 | 697 ± 222 | < 0.001 |
Temperature during CPB(°C) | 32.1 ± 0.46 | 29.0 ± 1.47 | < 0.001 |
Arterial cannulation | < 0.001 | ||
Ascending aorta | 1 (3.3%) | 44 (88.0%) | |
Femoral artery | 29 (96.7%) | 6 (12.0%) | |
Venous cannulation | |||
Bicaval | 1 (3.3%) | 44 (88.0%) | < 0.001 |
Femoral vein alone | 6 (20.0%) | 6 (12.0%) | |
Jugulo-femoral | 23 (76.7%) | 0% | |
Type of MV operation | 0.93 | ||
MVR | 26 (86.7%) | 43 (86.0%) | |
MVP | 4 (13.3%) | 7 (14.0%) | |
TVP | 8 (100%) | 14 (100%) | 1.0 |
Radiofrequency ablation | 7 (53.8%) | 15 (71.4%) | 0.50 |