|
Parameter
|
Before RBC transfusion
|
After RBC transfusion
|
p-value compared with baseline
|
2 h after RBC transfusion
|
p-value compared with baseline
|
|---|
|
Hematocrit, %
|
22 ± 2
|
28 ± 3
|
<0.001
|
27 ± 2
|
<0.001
|
|
Hemoglobin, g/dL
|
7.6 ± 0.8
|
9.4 ± 0.9
|
<0.001
|
9.2 ± 0.8
|
<0.001
|
|
CaO2, mL/dL
|
9.9 ± 1.0
|
12.2 ± 1.2
|
<0.001
|
12.0 ± 1.1
|
<0.001
|
|
DO2, mL/min
|
934 ± 288
|
1073 ± 369
|
<0.001
|
1042 ± 334
|
0.002
|
|
PaO2, mmHg
|
84.0 ± 13.1
|
82.7 ± 16.8
|
0.700
|
89.1 ± 18.4
|
0.227
|
|
PaCO2, mmHg
|
48.3 ± 11.7
|
48.6 ± 13.1
|
0.785
|
48.4 ± 14.3
|
0.972
|
|
SaO2, %
|
95.4 (93.1-96.8)
|
95.5 (92.4-96.7)
|
0.650
|
95.5 (94.2-97.1)
|
0.543
|
|
ScvO2, %
|
71.6 ± 6.2
|
71.1 ± 7.1
|
0.581
|
73.9 ± 7.3
|
0.113
|
- RBC red blood cell, DO
2
oxygen delivery, CaO
2
arterial oxygen content, PaO
2
arterial partial pressure of oxygen, PaCO
2
arterial partial pressure of carbon dioxide, SaO
2
arterial oxygen saturation, ScvO2 central venous oxygen saturation. Data are presented as mean ± standard deviation (normally distributed data) or median and 25%-75% percentile range (not normally distributed data).
