Skip to main content

Table 2 Haemodynamic variables and intra-abdominal pressure at different study times

From: Effects of passive leg raising and volume expansion on mean systemic pressure and venous return in shock in humans

  Baseline During passive leg raising P vs. baseline After volume expansion P vs. baseline
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
  1. Values are expressed as mean ± standard deviation