Table 1

Blood gas and blood pressure results


I group (n = 61)
NI group (n = 64)
P

SjO2 (%)
64.6 (9.5)
58.3 (11.6)
0.001
SjO2 carbon dioxide corrected (%)
70.6 (8.4)
63.5 (10.7)
0.001
SjO2≤ 50% (n)
3 (4.9%)
16 (25%)
<0.01
SjO2 ≤ 50% carbon dioxide corrected (n)
1 (1.6%)
3 (4.7%)
>0.2
PaCO2 (kPa)
4.49 (0.55)
4.59 (0.54)
0.286
MAP (mmHg)
58.8 (15.2)
64.5 (15.6)
0.065
Haemoglobin (g/dl)
8.3 (0.98)
8.6 (1.2)
0.258
SaO2 (%)
98.0 (0.6)
98.0 (0.5)
0.948
CPB (min)
88 (24)
86 (34)
0.661
Min temp CPB (°C)
31.0 (2.0)
30.9 (1.8)
0.797
Rewarm rate (°C/min)
0.21 (0.08)
0.26 (0.09)
0.001

Values are expressed as mean (standard deviation), unless otherwise indicated. CPB, cardiopulmonary bypass; I, isoflurane; MAP, mean arterial pressure; NI, morphine and midazolam; PaCO2, arterial carbon dioxide tension; SaO2, arterial oxygen saturation; SjO2, oxyhaemoglobin desaturation.

Robson et al. Critical Care 1999 4(Suppl A):1   doi:10.1186/cc652