Table 4. Clinical outcomes and complications with or without prophylactic IABP patients.
| Result | Total (N = 393) | Prophylactic IABP (n = 85) | No prophylactic IABP (n = 308) | p-value (prophylactic IABP vs. non-prophylactic) |
|---|---|---|---|---|
| Follow up, % | 93 | 93 | 94 | 0.808 |
| Observation period, months | 0.037 | |||
| Mean ± SD | 42.5 ± 42.6 | 33.9 ± 34.1 | 44.9 ± 44.6 | |
| Median (IQR) | 27 [5, 73] | 23 [5.5, 51] | 28 [5, 82] | |
| Operation time, min, Median (IQR) | 258.00 [210.00, 313.00] | 256.00 [206.50, 304.00] | 259.50 [211.25, 314.00] | 0.466 |
| Off-Pump CABG | 56.7 | 50.6 | 58.4 | 0.217 |
| Pump time, min, Median (IQR) | 118.00 [96.00, 148.00] | 109.00 [93.00, 144.00] | 120.00 [101.00, 149.75] | 0.217 |
| converted to on-pump CABG, % | 2.8 | 2.4 | 2.9 | 1.000 |
| Postoperative Max SCr, mg/dl, Mean ± SD | 2.3 ± 9.7 | 1.0 ± 0.4 | 2.9 ± 11.8 | 0.383 |
| AKI, % | 2.4 | 3.6 | 2.1 | 0.423 |
| required Dialysis, % | 60 | 0.0 | 86 | 0.033 |
| reoperation for bleeding, % | 1.3 | 1.2 | 1.3 | 1.000 |
| Distal anastomoses | <0.001 | |||
| Mean ± SD | 2.5 ± 1.0 | 2.8 ± 1.0 | 2.4 ± 0.9 | |
| Median (IQR) | 2.00 [2.00, 3.00] | 3.00 [2.00, 3.00] | 2.00 [2.00, 3.00] | |
| required transfusion of red blood cells, % | 59 | 68.2 | 57 | 0.062 |
| Leg wound problems, % | 0.7 | 0.0 | 1 | 1.000 |
| Leg wound infection, % | 0.3 | 0.0 | 0.3 | 1.000 |
| Neurologic events, % | 0 | 0 | 0 | - |
| Duration of IABP support, days | 0.040 | |||
| Mean ± SD | 2 ± 1.6 | 1.8 ± 1.2 | 2.4 ± 2.1 | |
| Median (IQR) | 1.50 [1.00,2.00] | 1.00 [1.00,2.00] | 2.00 [1.00,3.00] | |
| Duration of mechanical ventilation (post operative days) | 0.127 | |||
| Mean ± SD | 1.2 ± 1.6 | 1.4 ± 1.4 | 1.1 ± 1.6 | |
| Median (IQR) | 1.00 [1.00, 1.00] | 1.00 [1.00, 1.00] | 1.00 [1.00, 1.00] | |
| Prolonged ventilation >72 hours, % | 6.1 | 12.5 | 4.2 | 0.014 |
| Reintubation, % | 1.4 | 0 | 1.8 | 0.590 |
| ICU stay (post operative days) | 0.181 | |||
| Mean ± SD | 4.3 ± 4.0 | 4.2 ± 4.4 | 4.9 ± 2.3 | |
| Median (IQR) | 3.00 [3.00, 4.00] | 4.00 [3.00, 6.00] | 3.00 [3.00, 4.00] | |
| ICU stay longer than 7 days, % | 6.6 | 11.4 | 5.3 | 0.071 |
| Length of hospital stay.days | 0.095 | |||
| Mean ± SD | 23 ± 16 | 25 ± 18 | 22 ± 15 | |
| Median (IQR) | 19.00 [16.00, 24.00] | 20.00 [17.00, 25.00] | 19.00 [16.00, 23.00] | |
| postoperative length of stay longer than 30 days, % | 12.8 | 14.8 | 12.3 | 0.573 |
| Post operative atrial fibrillation,% | 11.9 | 13.4 | 11.4 | 0.699 |
| Mediastinitis, % | 1.6 | 1.2 | 1.7 | 1.000 |
| 30 days mortatlity, % | 0.8 | 0.0 | 1 | 1.000 |
| In-hospital deaths, % | 1.3 | 0.0 | 1.6 | 0.589 |
| MACCE, % | 3.8 | 5.9 | 3.3 | 0.333 |
IQR: Interquartile Range, SD: Standard Deviation, CABG: Coronary Artery Bypass Grafting, SCr: Serum Creatinine, ICU: Intensive Care Unit, MACCE: Major Adverse Cardiac and Cerebrovascular Events