Table 3 Oxygen-related variables
From: Mixed venous O2 saturation and fluid responsiveness after cardiac or major vascular surgery
Responder | Non-responder | P | |
|---|---|---|---|
n = 26 | n = 11 | ||
Temperature, °C | |||
t = 0 | 35.8 (0.6) | 35.8 (0.7) | 0.90 |
t = 90 | 36.1 (0.7) | 36.3 (0.9) | 0.58 |
Change | 0.3 (0.4) | 0.5 (0.6) | 0.74 |
SaO2, % | |||
t = 0 | 98 (1) | 98 (1) | 0.44 |
t = 90 | 98 (1) | 98 (1) | 0.81 |
Change | 0 (1) | 1 (1) | 0.34 |
SvO2, % | |||
t = 0 | 72 (7) | 75 (7) | 0.16 |
t = 90 | 74 (7) | 74 (6) | 0.76 |
Change | 3 (5) | −1 (6) | 0.03 |
Hb, mmol/L | |||
t = 0 | 6.0 (1.1) | 5.7 (0.6) | 0.32 |
t = 90* | 5.1 (0.9) | 5.1 (0.5) | 0.66 |
Change | −0.9 (0.5) | −0.6 (0.2) | 0.10 |
DO2I, mL/min/m2 | |||
t = 0 | 403 (85) | 453 (88) | 0.18 |
t = 90* | 488 (112) | 453 (77) | 0.31 |
Change | 84 (74) | 0 (61) | 0.004 |
VO2I, mL/min/m2 | |||
t = 0 | 120 (30) | 122 (52) | 0.88 |
t = 90** | 143 (50) | 139 (39) | 0.71 |
Change | 22 (50) | 16 (67) | 0.97 |
Lactate, mmol/L | |||
t = 0 | 1.5 (0.8) | 1.0 (0.4) | 0.13 |
t = 90 | 1.5 (0.8) | 1.2 (0.3) | 0.68 |
Change | 0 (0.3) | 0.1 (0.2) | 0.11 |