Table 3.
Intraoperative characteristics
| Characteristics | CAR | NCAR | p-value |
|---|---|---|---|
| Type of surgery | |||
| Colon resection | 13 (57) | 14 (47) | NS* |
| Low anterior resection | 10 (43) | 16 (53) | NS |
| Minimally invasive technique | 17 (74) | 20 (67) | NS |
| Epidural catheter | 20 (87) | 22 (73) | NS |
| Blood loss, mL | 269.6±174.3 | 541.7±541.9 | 0.0140 |
| PRBCs | 0 (0) | 5 (17) | NS |
| FFP | 0 (0) | 5 (17) | NS |
| Intraoperative fluids, mL | 2,269.6±493.1 | 2,256.7±598.1 | NS |
| Urine output, mL | 489.1±254.9 | 510.0±242.6 | NS |
| At least one vasoactive drug | 4 (17) | 21 (70) | 0.0002 |
| Dobutamine | 3 (13) | 9 (30) | NS |
| Noradrenalin | 2 (9) | 20 (67) | <0.0001 |
| Duration of surgery, minutes | 189.6±63.5 | 191.7±59.5 | NS |
| Duration of anesthesia, minutes | 211.5±64.8 | 213.3±60.1 | NS |
Notes: Data are presented as mean ± standard deviation or n (%).
*
p>0.05.
Abbreviations: CAR, cardiac autonomic reactivity; FFP, fresh frozen plasma; NCAR, non-cardiac autonomic reactivity; NS, not significant; PRBCs, packed red blood cells.