Table 1.
Basic patient characteristics, intraoperative and postoperative details
| Characteristics | ||
|---|---|---|
| Male sex | Number (percentage) | 24 (86) |
| Age, years | Median (range) | 72 (55–83) |
| Body mass index, kg BW/m2 | Median (range) | 26.8 (19.6–37.2) |
| Cardiovascular status, kidney | ||
| Ejection fraction, % | Median (range) | 55 (22–85) |
| NYHA status | Median (range) | 2 (1–3) |
| Arterial hypertension | Number (percentage) | 28 (100) |
| Carotid stenosis | Number (percentage) | 8 (29) |
| PAOD | Number (percentage) | 1 (4) |
| Serum creatinine, mg/dl | Median (Q1–Q3) | 1 (0.85–1.1) |
| Details of procedure | ||
| Cutting-suture time, minutes | Median (Q1–Q3) | 279 (233–291) |
| CPB time, minutes | Median (Q1–Q3) | 110 (98–124) |
| Aortic cross-clamp/reperfusion time, minutes | Median (Q1–Q3) | 105 (92–116) |
| Cardioplegic solution, ml | Median (Q1–Q3) | 710 (700–732) |
| Number of grafts | Median (range) | 4 (1–4) |
| Number of intraoperative. transfused RBC concentrates | Median (range) | 0 (0–4) |
| Postoperative details | ||
| PaO2/FiO2 ratio at admission to ICU | Median (Q1–Q3) | 244 (195–326) |
| PaO2/FiO2 ratio after 6 h | Median (Q1–Q3) | 333 (251–383) |
| PaO2/FiO2 ratio after 24 h | Median (Q1–Q3) | 419 (295–497) |
| Lactate at admission to ICU, mmol/l | Median (Q1 − Q3) | 1.1 (0.9–1.74) |
| Lactate after 6 h, mmol/l | Median (Q1–Q3) | 1.28 (1.07–1.71) |
| Lactate after 24 h, mmol/l | Median (Q1–Q3) | 1.3 (1.07–1.43) |
| Norepinephrine at admission to ICU, μg/kg BW*minute | Median (Q1–Q3) | 0.03 (0–0.09) |
| Norepinephrine after 6 h, μg/kg BW*minute | Median (Q1 - Q3) | 0.03 (0 − 0.06) |
| Norepinephrine after 24 h, μg/kg BW*minute | Median (Q1–Q3) | 0 (0–0) |
| Hgb at admission to ICU, mmol/l | Median (Q1–Q3) | 11.2 (10.8–12.7) |
| Hgb after 6 h, mmol/l | Median (Q1–Q3) | 10.7 (10–11.5) |
| Hgb after 24 h, mmol/l | Median (Q1–Q3) | 9.8 (9.3–10.5) |
| 24 h crystalloid fluid balance, ml | Median (Q1–Q3) | 3310 (2635–4860) |
| Serum creatinine at admission to ICU, mg/dl | Median (Q1–Q3) | 0.85 (0.77–1.01) |
| Serum creatinine after 24 h, mg/dl | Median (Q1–Q3) | 1 (0.85–1.12) |
| Duration of mechanical ventilation, h | Median (Q1–Q3) | 17.75 (14.25–19.8) |
| Length of stay on ICU, h | Median (Q1–Q3) | 23.9 (21.3–69.6) |
| Length of stay in hospital, d | Median (Q1–Q3) | 14 (9–17) |
| CPR | Number (percentage) | 0 (0) |
| Revision surgery | Number (percentage) | 0 (0) |
NYHA New York Heart Association classification, PAOD peripheral arterial occlusive disease, CPB cardiopulmonary bypass, RBC red blood cell, PaO 2 arterial oxygen partial pressure, FiO 2 inspiratory oxygen fraction, ICU intensive care unit, Hgb hemoglobin, CPR cardiopulmonary resuscitation, Q 1 –Q 3 percentile 25–75