Table 3.
Indices of preload responsiveness in preload responders and non-responders.
| Variable | Effect of unilateral PLR | Effect of bilateral PLR | Effects of VE |
|---|---|---|---|
| ΔCI (% change) | |||
| Preload responders | 10 ± 4 | 17 ± 5 | 20 ± 8 |
| Preload non-responders | 6 ± 2 | 9 ± 3 | 13 ± 7 |
| P preload responders preload vs. non-responders | <0.001 | <0.001 | <0.001 |
| ΔSVV (% change) | |||
| Preload responders | −3 ± 18 | 5 ± 23 | 3 ± 26 |
| Preload non-responders | 10 ± 50 | 11 ± 18 | 5 ± 27 |
| P preload responders vs. preload non-responders | 0.819 | 0.476 | 0.757 |
| ΔSVI (% change) | |||
| Preload responders | 11 ± 5 | 17 ± 6 | 19 ± 7 |
| Preload non-responders | 6 ± 2 | 9 ± 4 | 12 ± 8 |
| P preload responders vs. preload non-responders | <0.001 | <0.001 | 0.001 |
| ΔPPV (% change) | |||
| Preload responders | 6 ± 26 | 8 ± 31 | 9 ± 31 |
| Preload non-responders | −14 ± 43 | 7 ± 26 | 8 ± 26 |
| P preload responders vs. preload non-responders | 0.312 | 0.638 | 0.492 |
PLR, passive leg raising; VE, volume expansion; ΔCI, percent changes in cardiac index; ΔPPV, percent changes in pulse pressure variation; ΔSVI, percent changes in stroke volume index; ΔSVV, percent changes in stroke volume variation.