Table 1.
Baseline characteristics and intraoperative profiles of patients
| Variable | Total (n=103) | Deep hypothermic circulatory arrest (n=45) | Partial CPB (n=58) | p-value |
|---|---|---|---|---|
| Age (yr) | 53.8±13.1 | 54.2±12.6 | 53.6±13.6 | 0.81 |
| Female gender | 23 (22.3) | 11 (24.4) | 12 (20.7) | 0.81 |
| Diabetes mellitus | 6 (5.8) | 0 | 6 (100.0) | 0.034 |
| Hypertension | 52 (50.4) | 22 (48.9) | 30 (51.7) | 0.84 |
| Aorta pathology | 0.092 | |||
| Acute dissection | 10 (9.7) | 3 (6.7) | 7 (12.1) | |
| Chronic dissection | 36 (34.9) | 21 (46.7) | 15 (25.9) | |
| Aneurysm without dissection | 57 (55.3) | 21 (46.7) | 36 (62.1) | |
| Emergency or urgent surgery | 11a) (10.7) | 5 (11.1) | 6 (10.3) | 0.90 |
| Rupture or impending rupture | 8 | 4 (8.9) | 4 (6.9) | 0.73 |
| Malperfusion | 1 | 0 | 1 (100.0) | >0.99 |
| Shock | 1 | 0 | 1 (100.0) | >0.99 |
| Hemothorax | 5 | 2 (4.4) | 3 (5.2) | 0.87 |
| Involvement of distal arch | 86 (83.5) | 42 (93.3) | 44 (75.9) | 0.030 |
| Left ventricular ejection fraction (%) | 61.8±5.3 | 61.5±5.0 | 62.0±5.5 | 0.61 |
| Blood hemoglobin level (g/dL) | 13.3±1.7 | 13.3±1.7 | 13.2±1.8 | 0.86 |
| Glomerular filtration rate (mL/min/1.73 m2) | 84.5±33.9 | 82.5±26.7 | 86.0±38.8 | 0.61 |
| Cerebrospinal fluid drainage | 56 (54.4) | 30 (66.7) | 26 (44.8) | 0.030 |
| Concomitant coronary artery bypass grafting | 5 (4.9) | 1 (2.2) | 4 (6.9) | 0.38 |
| Perfusion times (min) | ||||
| CPB time | 153.8±83.5 | 196.4±59.7 | 116.9±84.0 | <0.001 |
| Total circulatory arrest time | 23.3±13.5 | – | – |
Values are presented as mean±standard deviation or number (%). CPB, cardiopulmonary bypass.
a)
Some patients had more than one indication for emergency or urgent surgery.