Table 1 Patients preoperative and peroperative characteristics
Variables | Ischemic group (n = 48) | Non-ischemic (n = 96) | p value |
|---|---|---|---|
Preoperative characteristics | |||
Age, years, mean ± SD | 73.6 ± 9.2 | 73.2 ± 9.2 | 0.80 |
Male, n (%) | 27 (56.3) | 54 (56.3) | 0.99 |
Body mass index, kg/m2, mean ± SD | 27.7 ± 4.9 | 27.2 ± 4.4 | 0.51 |
Hypertension, n (%) | 40 (83.3) | 66 (62.3) | 0.06 |
Coronaropathy, n (%) | 26 (54.2) | 57 (59.4) | 0.55 |
Dyslipidemia, n (%) | 26 (54.2) | 46 (47.9) | 0.48 |
Atrial fibrillation, n (%) | 15 (31.3) | 24 (25.0) | 0.35 |
Smoking, n (%) | 17 (54.8) | 30 (31.3) | 0.66 |
Peripheral arterial disease, n (%) | 6 (12.5) | 10 (10.4) | 0.71 |
Diabetes, n (%) | 7 (14.6) | 28 (29.4) | 0.05 |
ASA score 3–4, n (%) | 48 (100) | 94 (97.9) | 0.56 |
Emergency surgery, n (%) | 14 (29.2) | 13 (13.5) | 0.02 |
Peroperative characteristics | |||
Extracorporeal circulation (ECC), n (%) | 39 (81.3) | 82 (85.4) | 0.52 |
ECC duration, min, mean ± SD | 112.4 ± 63.0 | 100.1 ± 62.2 | 0.27 |
Aortic clamping duration, min ± SD | 59.8 ± 47.0 | 66.4 ± 43.0 | 0.40 |
Spontaneous fibrillation, n (%) | 33 (68.8) | 65 (67.7) | 0.90 |
Electrical cardioversion, n (%) | 15 (31.2) | 31 (32.3) | 0.90 |
Loading volume, ml, mean ± SD | 1915.9 ± 696.5 | 2573.9 ± 823.0 | 0.005 |
Use of macromolecules, n (%) | 27 (56.3) | 54 (56.3) | 0.99 |
Volume of macromolecules ≥ 500 mL, n (%) | 16 (33.3) | 15 (15.6) | 0.015 |
Use of ephedrin, n (%) | 11 (22.9) | 20 (20.8) | 0.08 |
Use of neosynephrin, n (%) | 11 (22.9) | 14 (14.6) | 0.21 |
Use of catecholamines, n (%) | 27 (56.3) | 21 (21.4) | 0.005 |
Use of a cell saver, n (%) | 46 (95.8) | 93 (96.9) | 0.75 |
Transfusion, n (%) | 21 (43.8) | 25 (26.0) | 0.03 |