Characteristic | Coronary artery bypass graft (n = 225) | Valve surgery (n = 225) | Combined surgery (n = 225) |
---|---|---|---|
Age (years) | 73 ± 8 | 73 ± 8 | 73 ± 8 |
Men | 145 (64) | 145 (64) | 145 (64) |
Women | 80 (36) | 80 (36) | 80 (36) |
Body mass index (kg/m2) | 27.0 ± 3.9 | 26.8 ± 4.0 | 26.4 ± 4.0 |
Euroscore | 5 (4–5) | 5 (5-5) | 7 (6–7)* † |
Diabetes mellitus | 45 (20) | 24 (11)* | 44 (20)† |
Chronic obstructive pulmonary disease | 21 (9) | 33 (15) | 13 (6)† |
Hypertension | 169 (75) | 134 (60)* | 145 (64)* |
Stroke | 19 (8) | 5 (2)* | 10 (4)* |
Left ventricular ejection fraction (%) | 65 ± 12 | 65 ± 10 | 64 ± 13 |
Serum creatinine (μmol/l) | 100 ± 42 | 97 ± 19 | 100 ± 40 |
Creatinine clearance (ml/min) | 61 ± 20 | 62 ± 20 | 60 ± 21 |
Preoperative medication | |||
Nitrates | 166 (52) | 54 (24)* | 66 (29)* |
Calcium blockers | 76 (34) | 35 (16)* | 56 (25)* † |
β-blockers | 144 (64) | 44 (20)* | 83 (37)* † |
Renin – angiotensin system inhibitors | 102 (45) | 93 (41) | 66 (29)* † |
Diuretics | 31 (14) | 93 (41)* | 114 (51)* † |
Surgery | |||
Cardiopulmonary bypass time (min) | 90 ± 22 | 99 ± 20* | 138 ± 27* † |
Aortic cross-clamping time (min) | 46 ± 13 | 68 ± 13* | 96 ± 19* † |