Table 2 Perioperative variables
Variables | No AKI (N = 88) | AKI (N = 117) | p-value* |
|---|---|---|---|
Mean MAP (mmHg) | 78 ± 7 | 72 ± 6 | < 0.001 |
Duration of IOHa • Quartile 1 (< 8.6%) (%) • Quartiles 2–3 (8.6–39.5%) (%) • Quartile 4 (> 39.5%) (%) | 44 (50) 37 (42) 7 (8) | 8 (7) 65 (55) 44 (38) | < 0.001 |
Anaesthesia duration (min) | 460 [411–536] | 500 [453–583] | 0.39 |
Surgical duration (min) | 333 [294–385] | 376 [324–438] | 0.076 |
Venous bypass (%) | 3 (3) | 5 (4) | 0.53 |
Portal ischaemia (min) | 378 [319–458] | 420 [360–495] | 0.047 |
Arterial ischaemia (min) | 28 [24-35] | 33 [26-43] | 0.25 |
Crystalloids (mL) | 2500 [1500–4150] | 2100 [1500–3774] | 0.25 |
Colloids (mL) | 650 [0-1075] | 900 [300–1500] | 0.30 |
Packed red blood cells (mL) | 271 [0-1034] | 753 [241–1339] | 0.013 |
Cell saver (mL) | 211 [0-710] | 479 [0-956] | 0.064 |
Total IN (mL) | 6157 [4041–9726] | 8068 [5285–11,517] | 0.015 |
Estimated blood loss (mL) | 2000 [1025–3000] | 2700 [1500–5000] | 0.006 |
Diuresis (mL) | 368 [203–733] | 259 [158–425] | 0.26 |
Total OUT (mL) | 2338 [1650–3304] | 3050 [1793–5285] | 0.011 |
Intraoperative net fluid balance (mL) | 3660 [2028–5825] | 4684 [2551–7764] | 0.087 |
Fluid balance at POD#1 (mL) | 1204 [188–2813] | 2899 [1587–4534] | 0.002 |
Combined fluid balance (mL)b | 4926 [3103–8674] | 8369 [4944–11,308] | 0.003 |
Calculated blood loss (mL) at POD#2 | 777 [535–1450] | 1222 [698–2080] | 0.010 |
Mean central venous pressure > 8 mmHgc | 50 (58) | 75 (64) | 0.336 |
Use of vasopressors | 85 (97) | 117 (100) | 0.044 |