Procedural characteristics of bilateral internal mammary arteries group
| Characteristics | Mean ± SD |
|---|---|
| Type of surgery | |
| On-pump surgery | 97.7% |
| Off-pump surgery | 2.3% |
| Mean number of grafts per patient | 2.47±0.5 |
| Number of venous grafts per patient | 0.47±0.5 |
| Revascularised coronary arteries | |
| Left IMA | |
| LAD and diagonal branch | 55.3% |
| LCX | 44.6% |
| RCA | 0.1% |
| Right IMA | |
| LAD and diagonal branch | 47.5% |
| LCX | 32% |
| RCA | 20.5% |
| Saphenous vein graft | |
| LAD | 0.7% |
| LCX | 25% |
| RCA | 51.7% |
| Diagonal branch | 22.6% |
| Complete coronary revascularisation | 77% |
| Extracorporeal circulation time (min) | 78±29 |
| Ventilation time <24 h | 95.5% |
| IABP | 2.4% |
| Vasopressors or inotropic drugs (>24 h) | 12.9% |
| Ventricular assist device | 0.3% |
| Anticoagulation | 4.8% |
| GPIIBIII inhibitors | 2.4% |
IABP, intra aortic balloon counterpulsation; IMA, internal mammary artery; LAD, left descending coronary artery; LCX, left circumflex coronary artery; RCA, right coronary artery.