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Table 2
Operative details of patients. Definition of abbreviations: CPB = cardiopulmonary bypass; PI = perfusion index; SvO2 = venous oxygen saturation; mABP = mean arterial blood pressure; NGAL = neutrophil gelatinase-associated lipocalin. Data represent mean ± SD, number (%).
| Continuous (n = 50) | Non-continuous (n = 50) | P value | |
|---|---|---|---|
| Surgical procedure | |||
| Single valve, n (%) | 38 (76.0) | 40 (80.0) | 0.639 |
| Double valve, n (%) | 6 (12.0) | 6 (12.0) | 1.000 |
| Aortic replacement, n (%) | 1 (2.0) | 0 | 0.496 |
| Adult congenial, n (%) | 3 (6.0) | 2 (4.0) | 1.000 |
| Cardiac tumor, n (%) | 2 (4.0) | 2 (4.0) | 1.000 |
| Redo operation, n (%) | 8 (16.0) | 3 (6.0) | 0.111 |
| CPB time (min) | 205.2 ± 50.3 | 226.9 ± 70.2 | 0.147 |
| Cross clamp time (min) | 124.1 ± 40.2 | 142.9 ± 50.6 | 0.095 |
| Nadir rectal temperature (°C) | 30.5 ± 1.1 | 30.7 ± 0.76 | 0.562 |
| Median PI (L/min/m2) | 2.1 ± 0.13 | 2.1 ± 0.14 | 0.293 |
| Median SvO2 (%) | 85.7 ± 4.7 | 85.4 ± 3.2 | 0.971 |
| Median mABP (mmHg) | 67.3 ± 7.9 | 65.3 ± 9.2 | 0.762 |
| Fluid balance | |||
| During CPB (mL/kg) | 24.6 ± 34.8 | 33.3 ± 40.5 | 0.324 |
| Overall (mL/kg) | 51.2 ± 37.3 | 69.6 ± 56.2 | 0.067 |
| Urine output | |||
| Before CPB (mL/kg) | 0.91 ± 1.5 | 1.2 ± 2.0 | 0.678 |
| During CPB (mL/kg/h) | 14.2 ± 6.7 | 10.0 ± 5.9 | 0.001 |
| After CPB (mL/kg) | 12.5 ± 8.4 | 6.7 ± 7.1 | 0.001 |
| Overall (mL/kg) | 60.0 ± 29.1 | 46.4 ± 28.3 | 0.006 |
| Total Furosemide dose (mg) | 44.1 ± 8.3 | 4.2 ± 4.9 | 0.001 |
| Urine NGAL during CPB (ng/mL) | 12.4 ± 6.7 | 13.6 ± 10.0 | 0.354 |
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