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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Anesthesiology. 2011 Apr;114(4):901–911. doi: 10.1097/ALN.0b013e31820efb36

Table 1.

Laboratory parameters before and after blood exchange

Baseline Moderate Hemodilution
 Extreme Hemodilution
29% Hct 18% Hct 11% Hct 6% Hct
n 11 11 11 11 11
Hct, % 49.3 ± 1.0 29.3 ± 1.4 18.2 ± 1.0 11.1 ± 0.8†‡ graphic file with name nihms-271114-t0007.jpg 5.9 ± 0.5†‡
Hb, g/dl 14.8 ± 0.3 9.0 ± 0.6 5.5 ± 0.3 3.8 ± 0.5†‡ graphic file with name nihms-271114-t0008.jpg 2.0 ± 0.4†‡
Fct, % 9.5 ± 0.7 graphic file with name nihms-271114-t0009.jpg 19.0 ± 0.8
PaO2, mmHg 62.4 ± 7.3 66.0 ± 5.6 76.2 ± 4.2 575.5 ± 19.3†‡ graphic file with name nihms-271114-t0010.jpg 676.6 ± 13.6†‡
PvO2, mmHg 48.3 ± 3.9 graphic file with name nihms-271114-t0011.jpg 39.4 ± 4.6
SvO2, % 76 ± 5 graphic file with name nihms-271114-t0012.jpg 64 ± 7
PaCO2, mmHg 51.1 ± 7.3 47.9 ± 4.3 46.6 ± 4.0 46.0 ± 4.6 43.7 ± 6.6
Arterial pH 7.358 ± 0.017 7.362 ± 0.018 7.389 ± 0.028 7.356 ± 0.021 7.330 ± 0.015
BE, mmol/l 2.9 ± 1.7 1.3 ± 1.7 2.1 ± 1.6 0.7 ± 1.3 −0.8 ± 1.5

Values are means ± SD. Baseline included all the animals in the study. BE, base excess; Fct, fluorocrit; Hb, hemoglobin; Hct, hematocrit; PaCO2, arterial partial carbon dioxide pressure; PaO2, arterial partial oxygen pressure; PvO2, mixed venous partial oxygen pressure.

†

P<0.05 compared to baseline.

‡

P<0.05 compared to 18% Hct.