Table 2. Intraoperative and postoperative characteristics of patients with NIV intolerance.
| Variables | Overall (n=90) | REM (n=52) | DEX (n=38) | P value |
|---|---|---|---|---|
| Type of surgery | 0.42 | |||
| Valve only, n (%) | 42 (46.7) | 24 (46.2) | 18 (47.4) | |
| CABG only, n (%) | 14 (15.6) | 9 (17.3) | 5 (13.2) | |
| Valve and CABG, n (%) | 13 (14.4) | 8 (15.4) | 5 (13.2) | |
| Great vessel, n (%) | 12 (13.3) | 4 (7.7) | 8 (21.1) | |
| Congenital heart disease, n (%) | 3 (3.3) | 2 (3.9) | 1 (2.6) | |
| Others, n (%) | 6 (6.7) | 5 (9.6) | 1 (2.6) | |
| Intraoperative characteristics | ||||
| Surgical duration, h | 3.5 (2.5, 4.5) | 3.5 (2.5, 4) | 3.5 (3, 5.5) | 0.303 |
| CPB, n (%) | 77 (85.6) | 40 (76.9) | 37 (97.4) | 0.006 |
| CPB characteristics | ||||
| CPB duration, min | 149 (90, 192) | 145 (89, 184) | 149 (95, 204) | 0.568 |
| Aortic cross-clamp duration, min | 78 (57, 111) | 78 (46, 110) | 81 (60, 113) | 0.351 |
| DHCA, n (%) | 13 (14.4) | 4 (7.7) | 9 (23.7) | 0.033 |
| Transfusions, n (%) | 33 (36.7) | 20 (38.5) | 13 (34.2) | 0.679 |
| ICU admission | ||||
| EuroSCORE | 5 (3, 7) | 5 (3, 7) | 5 (4, 7) | 0.642 |
| APACHE II score | 9 (7, 12) | 9 (7, 12) | 9 (7, 12) | 0.303 |
Continuous data are presented as the mean (SD) or median (IQR). Categorical data are presented as counts (%). CABG, coronary artery bypass grafting; CPB, cardiopulmonary bypass; DHCA, deep hypothermic circulatory arrest; EuroSCORE, European system for cardiac-operative risk evaluation; APACHE, Acute Physiology and Chronic Health Evaluation.