Table 2 Operative and perfusion data
Variable | Percent or mean, SD (Median, range) (n = 964) |
|---|---|
Priority of surgery | |
Elective | 546 (56.6%) |
Urgent | 348 (36.1%) |
Emergent | 63 (6.5%) |
Emergent-salvage | 7 (0.7%) |
Redo surgery | 14 (1.5%) |
Number of vessels bypassed | 2.7 ± 0.8 (3, 1–5) |
Usage of arterial grafts | |
Left internal mammary artery | 938 (97%) |
Right internal mammary artery | 267 (28%) |
Radial artery | 125 (13%) |
Cardiopulmonary bypass time (min) | 95 ± 31 (93, 19–309) |
Aortic cross-clamp time (min) | 64 ± 21 (63, 12–169) |
Lowest systemic temperature (°C) | 35 ± 12 (35, 26–37) |
Total heparin dose (mg/Kg) | 1.9 ± 1.0 (1.7, 0.1-8.6) |
Total protamine dose (mg/Kg) | 1.0 ± 0.5 (0.9, 0–5.4) |
Highest ACT during CPB (sec) | 360 ± 326 (335, 130–999) |
Lowest ACT during CPB (sec) | 273 ± 42 (264, 139–524) |