Table 2

 Change from baseline in arterial values at 20, 40, and 60 minutes

204060
Data are mean (SD).
*Significant deviation from baseline, p<0.05.
Lactate (mmol/l)
    Clamped1.2 (0.39)*2.3 (0.55)*3.2 (1.23)*
    Unclamped1.9 (0.90)*5.2 (2.04)*6.6 (2.39)*
Base excess (mmol/l)
    Clamped−1.23 (1.16)−2.65 (1.56)*−4.46 (2.53)*
    Unclamped−2.82 (1.89)*−8.31 (3.99)*−9.20 (3.99)*
pH
    Clamped−0.011 (0.027)−0.005 (0.034)0.007 (0.054)
    Unclamped−0.021 (0.054)−0.171 (0.142)*−0.206 (0.151)*
Pco2 (mmol/l)
    Clamped−0.13 (0.76)−0.74 (0.75)*−1.49 (2.60)*
    Unclamped−0.42 (1.37)0.95 (2.63)1.46 (2.60)