Clinical and procedural characteristics at the ICU
| IABP (N=54) | Impella (N=62) | P value | |
| Mechanical ventilation | 51 (94) | 60 (96) | 0.66 |
| Duration of mechanical ventilation, hours | 36(12–168) | 24(12–216) | 0.73 |
| Renal replacement therapy | 21 (39) | 24 (39) | 1.00 |
| Duration of dialysis, hours | 48(24–84) | 36(12–240) | 0.95 |
| Duration of device therapy, hours | 24(12–36) | 24(12–36) | 0.74 |
| Days of ICU stay | 3(1–11) | 3.5(1–18) | 0.57 |
| Successful weaning | 30 (55) | 36 (60) | 0.70 |
| Arrhythmias during device-therapy | 17 (32) | 17 (27) | 0.68 |
| Supraventricular tachycardia | 7 (13) | 7 (11) | 0.78 |
| Ventricular tachycardia | 4 (7.4) | 6 (9.7) | 0.75 |
| Ventricular fibrillation | 5 (9.2) | 2 (3.2) | 0.24 |
| Bradycardia | 2 (3.7) | 3 (4.8) | 1.00 |
Data depicted as median [IQR] or counts (%). P values are from Wilcoxon rank sum or Fischer’s test.
IABP, intra-aortic balloon pump; ICU, intensive care unit.