TABLE 2.
Perfusion parameters and perfusate characteristics
| Group A (N = 8) |
Group B (N = 7) |
Group C (N = 5) |
P | |
|---|---|---|---|---|
| Perfusion parameters | ||||
| Arterial pressure, mm Hg | 69.8 (61.0–71.2) | 69.1 (59.4–73.9) | 69.9 (68.8–70.6) | 0.9 |
| Arterial flow, mL/min | 213.5 (108.3–259.8) | 145.1 (56.9–241.4) | 81.7 (55.0–108.1) | <0.0001 |
| Resistance index, mL/min/mm Hg | 0.32 (0.27–0.61) | 0.41 (0.26–0.58) | 0.86 (0.64–1.23) | <0.0001 |
| Perfusate characteristics | ||||
| pH | 7.50 (7.20–7.70) | 7.39 (7.14–7.65) | 7.41 (7.28–7.58) | 0.8 |
| Lactate, mg/dL | 14.2 (10.5–19.3) | 15.7 (10.7–19.6) | 19.9 (14.0–20.0) | 0.02 |
| Arterial pO2, mm Hg | 234.5 (88.3–435.5) | 127.6 (79.4–215.1) | 292.5 (111.9–344.0) | 0.03 |
| Arterial pCO2, mm Hg | 5.0 (5.0–18.0) | 15.80 (5.0–22.75) | 5.0 (5.0–5.0) | 0.0004 |
| Hemoglobin, g/dL | 8.0 (6.7–10.2) | 6.7 (6.3–7.6) | 6.7 (6.4–7.1) | <0.0001 |
| Hematocrit, % | 24.7 (20.7–31.4) | 20.9 (19.5–23.4) | 20.9 (19.7–22.0) | <0.0001 |
| Sodium, mmol/L | 151.0 (138.0–153.3) | 147.0 (139.5–152.0) | 144.0 (137.8–148.0) | 0.3 |
| Potassium, mmol/L | 5.7 (3.5–7.3) | 4.9 (4.0–6.1) | 8.5 (6.3–9.1) | <0.0001 |
| Calcium, mmol/L | 1.1 (0.8–1.3) | 1.1 (0.9–1.2) | 0.9 (0.7–1.0) | 0.002 |
| Chloride, mmol/L | 109.5 (101.5–115.8) | 113.0 (103.5–117.0) | 106.5 (99.8–114.3) | 0.3 |
| Glucose, mg/dL | 80.0 (57.0–107.5) | 83.0 (55.0–95.5) | 107.0 (69.0–130.0) | 0.049 |
| Urine output at T6, mL | 241.1 (0.0–801.6) | 97.9 (23.5–896.3) | 10.9 (6.5–54.6) | <0.0001 |
Data are expressed as median (interquartile range). Median values were calculated for each parameter across all measurements obtained during the 6-h perfusion.