Table 3.
Fetal blood gas parameters at baseline and after bypass.
Baseline | After bypass |
Anova P value | Linear Trend P value | ||||
---|---|---|---|---|---|---|---|
30 min | 60 min | 90 min | 120 min | ||||
pH | 7.28±0.04 | 7.26±0.10 | 7.21±0.10 | 7.17±0.14 | 7.13±0.14 | 0.26 | 0.03 |
pCO2 (mmHg) | 58.2±3.4 | 71.0±9.8 | 71.9±11.0 | 78.4±19.1 | 89.7±15.6* | 0.02 | 0.002 |
pO2 (mmHg) | 23.5±1.3 | 23.4±4.3 | 23.8±7.2 | 20.6±5.6 | 20.6±5.6 | 0.76 | 0.28 |
Hematocrit (%) | 27.8±4.1 | 30.4±4.5 | 29.8±4.3 | 30.4±5.9 | 31.4±6.1 | 0.87 | 0.34 |
Glucose (mg•dL−1) | 19.5±6.2 | 14.4±12.6 | 15.6±13.1 | 13.8±10.9 | 10.8±9.9 | 0.83 | 0.28 |
Lactate (mmol•L−1) | 1.9±.4 | 2.8±.7 | 2.9±.7 | 3.1±.9 | 3.9±.9* | 0.01 | <0.001 |
P<.05 compared to baseline values by one-way ANOVA for repeated measurements.
Values are means ± standard deviations of 6 animals.