Heart rate, beats/mm
|
Fluid responders
|
92 ± 16
|
94 ± 17
|
0.07
|
94 ± 15
|
0.23
|
Fluid nonresponders
|
80 ± 21
|
79 ± 21
|
0.29
|
79 ± 19
|
0.07
|
Mean arterial pressure, mm Hg
|
Fluid responders
|
67 ± 9
|
74 ± 10
|
0.07
|
76 ± 13
|
0.04
|
Fluid nonresponders
|
79 ± 13
|
81 ± 20
|
0.67
|
83 ± 14
|
0.13
|
Mean systemic pressure, mm Hg
|
Fluid responders
|
25 ± 13
|
31 ± 13
|
<0.01
|
32 ± 17
|
<0.01
|
Fluid nonresponders
|
24 ± 10
|
27 ± 10
|
<0.01
|
28 ± 12
|
<0.01
|
Cardiac index, L/mm/m2
|
Fluid responders
|
2.8 ± 0.9
|
3.2 ± 0.8
|
<0.01
|
3.6 ± 1.1
|
<0.01
|
Fluid nonresponders
|
2.9 ± 1.1
|
3.0 ± 1.1
|
0.07
|
3.0 ± 1.3
|
0.07
|
Central venous pressure, mm Hg
|
Fluid responders
|
7 ± 3
|
9 ± 4
|
<0.01
|
9 ± 4
|
<0.01
|
Fluid nonresponders
|
8 ± 4
|
11 ± 4
|
<0.01
|
11 ± 4
|
<0.01
|
Inverse of the slope of venous return curve, mmHg.min.m2/L
|
Fluid responders
|
6.4 ± 3.7
|
6.8 ± 3.1
|
0.54
|
7.0 ± 5.4
|
0.35
|
Fluid nonresponders
|
5.9 ± 3.8
|
5.7 ± 3.7
|
0.75
|
6.0 ± 3.9
|
0.84
|
Resistance to venous return, mmHg.min.m2/L
|
Fluid responders
|
6.6 ± 3.5
|
6.8 ± 4.5
|
0.66
|
6.6 ± 4.9
|
0.93
|
Fluid nonresponders
|
5.6 ± 3.5
|
5.7 ± 3.3
|
0.65
|
6.1 ± 4
|
0.22
|
Mean systemic pressure - central venous pressure gradient, mmHg
|
Fluid responders
|
19 ± 12
|
22 ± 12
|
0,02
|
23 ± 15
|
0,02
|
Fluid nonresponders
|
16 ± 9
|
16 ± 9
|
0.62
|
17 ± 11
|
0.33
|
Intra-abdominal pressure, mm Hg
|
Fluid responders
|
12 ± 6
|
12 ± 6
|
1,00
|
13 ± 6
|
0.42
|
Fluid nonresponders
|
16 ± 5
|
14 ± 5
|
0.09
|
16 ± 6
|
0.55
|