Table 2.
Patients’ basal and operative characteristics
| Variable | Group CS (n = 53) | Group C (n = 50) | P value |
|---|---|---|---|
| Age (years) | 50.42 (15.43) | 52.53 (15.65) | 0.549 |
| >70 | 12 (22.64) | 13 (26.00) | 0.691 |
| Male | 27 (50.94) | 24 (48.00) | 0.765 |
| BSA | 1.73 (0.14) | 1.73 (0.13) | 0.946 |
| <1.6 m2 | 5 (9.43) | 4 (8.00) | 1.000 |
| Surgery type | 0.922 | ||
| Multiple valve | 36 (67.92) | 33 (66.00) | |
| Bentall | 8 (15.09) | 7 (20.00) | |
| Reoperations | 9 (16.98) | 10 (14.00) | |
| Preoperative complication | |||
| Renal dysfunction | 19 (35.84) | 18 (36.00) | 0.987 |
| Liver insufficiency | 9 (16.98) | 7 (14.00) | 0.676 |
| Coagulation disorders | 15 (28.30) | 13 (26.00) | 0.793 |
| HB levels lower (<13 g/dL in male or <12 g/dL in female) | 21 (39.62) | 23 (46.00) | 0.513 |
| 17 (32.08) | 18 (36.00) | 0.674 | |
| PLT levels lower (<50 × 109/L) intake of aspirin or clopidogrel | 12 (22.53) | 11 (22.00) | 0.938 |
| CPB time (min) | 136.05 (36.82) | 126.65 (25.63) | 0.342 |
| Surgical time (min) | 302.56 (28.02) | 295.94 (22.02) | 0.220 |
| Tracheal intubation time (hour) | 13.92 (10.83) | 13.15 (3.62) | 0.434 |
| Length of ICU stay (hour) | 19.42 (4.43) | 20.42 (4.16) | 0.099 |
| Length of hospital stay (day) | 22.56 (4.23) | 23.38 (4.54) | 0.206 |
| Residual blood in CPB circuit | 853.67 (50.46) | 837.22 (92.53) | 0.200 |
| Intra-operative blood loss (mL) | 1640.96 (87.73) | 1609.03 (137.91) | 0.072 |
| MTD (mL) | |||
| In 6 h | 333.02 (147.14) | 295.03 (152.82) | 0.301 |
| In 24 h | 657.78 (272.94) | 591.96 (171.53) | 0.071 |
| Intra-operative heparin dose (mg) | 244.63 (49.82) | 241.06 (49.35) | 0.778 |
| Intra-operative protamine dose (mg) | 428.37 (92.83) | 417.36 (92.02) | 0.478 |
Data are presented as mean (SD) or number (percentage)
MTD mediastinal tube drainage, patients with resternotomy were not calculated