Table 2:
Postoperative outcomes for unplanned cardiac catheterization group and CABG patient population (IABP: intra-aortic balloon pump)
| Variable | N | Unplanned Catheterization, N = 411 | All CABG, N = 10,5561 | p-value2 |
|---|---|---|---|---|
| Operative mortality | 10,597 | 2 (4.9%) | 244 (2.3%) | 0.2 |
| Major morbidity | 10,493 | 21 (51%) | 1,044 (10.0%) | <0.001 |
| Failure to rescue | 10,597 | 2 (4.9%) | 169 (1.6%) | 0.14 |
| Reoperation | 3,898 | 6 (17%) | 58 (1.5%) | <0.001 |
| Prolonged ventilation | 3,896 | 20 (57%) | 764 (20%) | <0.001 |
| Renal failure | 3,853 | 6 (17%) | 272 (7.1%) | 0.037 |
| Stroke | 3,856 | 1 (2.9%) | 125 (3.3%) | 0.7 |
| Cardiac arrest | 3,861 | 14 (40%) | 183 (4.8%) | <0.001 |
| Reintubation | 10,592 | 15 (37%) | 403 (3.8%) | <0.001 |
| Atrial fibrillation | 3,861 | 16 (46%) | 2,501 (65%) | 0.015 |
| Sepsis | 3,853 | 1 (2.9%) | 103 (2.7%) | 0.6 |
| IABP | 7,761 | 9 (26%) | 825 (11%) | 0.008 |
| When IABP inserted | 801 | <0.001 | ||
| Preoperative | 3 (33%) | 619 (78%) | ||
| Intraoperative | 1 (11%) | 153 (19%) | ||
| Postoperative | 5 (56%) | 20 (2.5%) | ||
| Catheter based assist device used | 10,490 | 3 (7.3%) | 76 (0.7%) | 0.002 |
| Preoperative | 0 (0%) | 38 (0.4%) | <0.001 | |
| Intraoperative | 0 (0%) | 18 (0.2%) | ||
| Postoperative | 3 (7.3%) | 20 (0.2%) | ||
| Support type | 10,490 | <0.001 | ||
| Left ventricular | 2 (4.9%) | 67 (0.6%) | ||
| Right ventricular | 0 (0%) | 8 (<0.1%) | ||
| Biventricular | 1 (2.4%) | 1 (<0.1%) | ||
| ICU initial length of stay | 1,934 | 77 (48, 191) | 66 (37, 101) | 0.13 |
| Hospital length of stay (days) | 10,479 | 18.0 (9.0, 27.0) | 8.0 (6.0, 12.0) | <0.001 |
| Total Cost (USD) | 6,542 | $81,293 ($52,062, $161,259) | $37,011 ($30,074, $46,815) | <0.001 |
1
Median (IQR); n (%)
2
Wilcoxon rank sum exact test; Wilcoxon rank sum test; Pearson’s Chi-squared test; Fisher’s exact test