Table 2 Hemodynamic variables were measured at baseline, during volume expansion
|  | Baseline | 50 ml VE | 500 ml VE | P value |
|---|---|---|---|---|
HR, beats/min | ||||
 Responders | 92 ± 28 | 91 ± 26 | 87 ± 27 | <0.01 |
 Non-responders | 83 ± 17 | 83 ± 18 | 79 ± 17 | <0.01 |
SBP, mm Hg | ||||
 Responders | 86 ± 23 | 87 ± 22 | 96 ± 21 | <0.01 |
 Non-responders | 99 ± 16 | 102 ± 17 | 105 ± 19 | <0.01 |
LVEF, % | ||||
 Responders | 62.2 ± 13.8 | 63.6 ± 11.6 | 64.5 ± 11.5 | 0.12 |
 Non-responders | 60.0 ± 9.5 | 62.4 ± 10.8 | 63.0 ± 7.7 | 0.06 |
VTI, cm | ||||
 Responders | 25.6 ± 13.8 | 28.7 ± 15.2 | 34.4 ± 17.7 | <0.01 |
 Non-responders | 37.1 ± 8.1 | 38.2 ± 8.5 | 40.7 ± 9.0 | <0.01 |
SV, ml | ||||
 Responders | 65.6 ± 26.0 | 76.1 ± 29.4 | 93.8 ± 39.4 | <0.01 |
 Non-responders | 93.3 ± 26.7 | 97.1 ± 27.6 | 101.7 ± 28.8 | <0.01 |
CO, l/min | ||||
 Responders | 8.4 ± 4.0 | 9.3 ± 4.2 | 10.7 ± 4.5 | <0.01 |
 Non-responders | 10.7 ± 4.3 | 10.9 ± 4.4 | 11.3 ± 4.5 | <0.01 |