Table 2.
Arterial, mixed and regional venous lactate concentrations.
| N | Baseline | 3 hours | 6 hours | 12 hours | Last measurement | P* | ||
|---|---|---|---|---|---|---|---|---|
| Arterial lactate concentration | Controls | 8 | 0.557 (0.439–0.999) |
0.505 (0.160–0.766) |
0.555 (0.451–1.880) |
0.611 (0.453–0.863) |
0.658 (0.450–0.993) |
0.793 |
| Peritonitis | 7 | 0.586 (0.391–0.960) |
1.150 (0.679–2.270) |
1.315 (0.614–2.200) |
1.037 (0.721–2.010) |
1.250 (0.972–2.720) |
0.002 | |
| Tamponade | 7 | 0.586 (0.503–0.720) |
0.600 (0.420–0.800) |
0.650 (0.473–1.890) |
0.935 (0.526–3.640) |
3.560 (1.030–7.000) |
0.001 | |
|
| ||||||||
| Mixed venous lactate concentration | Controls | 8 | 0.531 (0.443–0.754) |
0.504 (0.443–0.729) |
0.587 (0.470–1.220) |
0.638 (0.507–0.808) |
0.681 (0.461–1.050) |
0.645 |
| Peritonitis | 6 | 0.660 (0.417–1.390) |
1.195 (0.757–2.120) |
1.140 (0.797–2.370) |
1.110 (0.714–2.090) |
1.425 (0.884–2.750) |
0.015 | |
| Tamponade | 7 | 0.600 (0.481–0.829) |
0.619 (0.471–0.800) |
0.753 (0.520–1.750) |
0.972 (0.532–3.360) |
3.510 (1.000–8.300) |
0.001 | |
|
| ||||||||
| Hepatic vein lactate concentration | Controls | 8 | 0.275 (0.170–0.440) |
0.270 (0.130–0.380) |
0.325 (0.220–0.540) |
0.310 (0.220–0.370) |
0.375 (0.210–0.750) |
0.502 |
| Peritonitis | 7 | 0.420 (0.180–0.540) |
0.860 (0.300–1.220) |
0.840 (0.290–1.510) |
0.745 (0.330–3.240) |
0.910 (0.630–3.240) |
0.010 | |
| Tamponade | 7 | 0.295 (0.200–0.894) |
0.305 (0.180–0.643) |
0.405 (0.250–1.170) |
0.460 (0.200–3.090) |
3.850 (0.640–8.400) |
0.001 | |
|
| ||||||||
| Portal vein lactate concentration | Controls | 8 | 0.607 (0.493–0.792) |
0.626 (0.521–0.815) |
0.666 (0.545–1.280) |
0.682 (0.599–0.859) |
0.793 (0.535–1.030) |
0.273 |
| Peritonitis | 6 | 0.822 (0.557–0.954) |
1.350 (1.210–2.010) |
1.390 (0.817–2.250) |
1.390 (0.970–2.040) |
1.650 (1.170–3.100) |
0.001 | |
| Tamponade | 6 | 0.699 (0.556–0.894) |
0.731 (0.582–1.000) |
0.800 (0.532–1.900) |
1.110 (0.716–3.430) |
3.400 (1.140–6.700) |
0.004 | |
|
| ||||||||
| Mesenteric vein lactate concentration | Controls | 8 | 0.622 (0.427–0.807) |
0.697 (0.504–0.777) |
0.665 (0.553–1.250) |
0.685 (0.590–0.823) |
0.753 (0.591–1.030) |
0.434 |
| Peritonitis | 6 | 0.946 (0.586–1.380) |
1.250 (0.882–1.840) |
1.330 (0.816–3.510) |
1.325 (1.020–2.360) |
1.730 (1.020–2.970) |
0.005 | |
| Tamponade | 8 | 0.729 (0.655–1.000) |
0.846 (0.394–1.100) |
0.780 (0.569–1.910) |
1.140 (0.797–3.580) |
2.715 (0.974–5.110) |
0.002 | |
|
| ||||||||
| Kidney vein lactate concentration | Controls | 7 | 0.641 (0.505–1.000) |
0.602 (0.468–0.965) |
0.660 (0.504–1.690) |
0.706 (0.541–0.948) |
0.801 (0.393–1.510) |
0.273 |
| Peritonitis | 7 | 0.682 (0.390–1.290) |
1.270 (0.903–2.050) |
1.590 (0.974–2.510) |
0.928 (0.762–3.670) |
1.210 (1.140–2.660) |
<0.001 | |
| Tamponade | 6 | 0.475 (0.409–0.919) |
0.418 (0.372–0.800) |
0.713 (0.418–1.860) |
0.830 (0.401–2.830) |
2.290 (0.634–7.000) |
0.004 | |
|
| ||||||||
| Femoral vein lactate concentration | Controls | 8 | 0.919 (0.506–1.480) |
0.765 (0.567–1.120) |
0.830 (0.621–2.510) |
0.852 (0.715–1.530) |
1.245 (0.643–2.210) |
0.141 |
| Peritonitis | 5 | 0.834 (0.595–2.010) |
1.690 (0.966–3.490) |
1.935 (1.080–2.530) |
1.720 (1.110–2.410) |
1.980 (1.220–2.610) |
0.014 | |
| Tamponade | 5 | 0.865 (0.549–2.380) |
0.935 (0.769–1.050) |
1.030 (0.783–3.180) |
1.900 (1.310–3.960) |
3.420 (1.520–6.600) |
0.005 | |
|
| ||||||||
| Spleen vein lactate concentration | Controls | 8 | 0.702 (0.551–0.780) |
0.758 (0.543–0.968) |
0.759 (0.528–1.650) |
0.699 (0.583–1.360) |
0.742 (0.489–1.320) |
0.393 |
| Peritonitis | 4 | 0.718 (0.674–0.874) |
1.720 (0.985–2.260) |
1.650 (0.878–2.590) |
1.645 (1.070–2.220) |
1.860 (1.490–3.600) |
0.007 | |
| Tamponade | 6 | 0.714 (0.569–1.000) |
0.740 (0.708–1.140) |
0.810 (0.640–1.960) |
1.100 (0.636–3.770) |
3.410 (1.550–8.300) |
0.002 | |
All concentrations are in mmol/L. *Friedman Test.