Outcomes
| n (%) or median (IQR) | |
| Primary outcome | 19 (12.7) |
| Death within 30 days | 7 (4.7) |
| Serious postoperative complication | 17 (11.3) |
| Haemodynamic instability | 14 (9.3) |
| Respiratory failure | 10 (6.7) |
| Initiation of inhaled vasodilators | 4 (2.7) |
| Acute coronary syndrome | 0 (0.0) |
| Cerebrovascular accident | 1 (0.7) |
| Arrhythmia | 5 (3.3) |
| Renal failure | 3 (2.0) |
| Hepatic injury | 1 (0.7) |
| Sepsis | 2 (1.3) |
| Secondary outcomes | |
| Hospital LOS, days | 1 (0–6) |
| Intensive care unit LOS, days | 3 (1–5) |
| Hospital readmission within 30 days | 19 (12.7) |
IQR: interquartile range; LOS: length of stay.