Table 2.
Hemodynamic parameters recorded before and after volume loading in responders and nonresponders.
| Variables | Before | After | Pb value | |
|---|---|---|---|---|
| CCE (unit) | Responders | −0.12 ± 0.32 | 0.00 ± 0.20 | .029 |
| Nonresponders | −0.22 ± 0.35 | −0.18 ± 0.33 | .181 | |
| Pa value | .410 | .093 | ||
| CI (L/min/m2) | Responders | 3.0 ± 0.6 | 3.7 ± 0.7 | <.001 |
| Nonresponders | 3.1 ± 0.4 | 3.0 ± 0.4 | .091 | |
| Pa value | .717 | <.001 | ||
| dp/dtmax (mm Hg/ms) | Responders | 0.95 ± 0.22 | 1.03 ± 0.22 | .016 |
| Nonresponders | 0.90 ± 0.19 | 0.96 ± 0.20 | .044 | |
| Pa value | .486 | .299 | ||
| Psys − Pdic (mm Hg) | Responders | 27 ± 7 | 31 ± 8 | <.001 |
| Nonresponders | 25 ± 6 | 26 ± 8 | .341 | |
| Pa value | .416 | .111 | ||
| Psys (mm Hg) | Responders | 85 ± 9 | 94 ± 11 | <.001 |
| Nonresponders | 86 ± 7 | 90 ± 8 | .013 | |
| Pa value | .774 | .263 | ||
| PPV (%) | Responders | 10 ± 3 | 7 ± 1 | .010 |
| Nonresponders | 10 ± 2 | 7 ± 2 | <.001 | |
| Pa value | .895 | .275 | ||
| SVV (%) | Responders | 23 ± 7 | 18 ± 9 | .043 |
| Nonresponders | 17 ± 4 | 13 ± 5 | <.001 | |
| Pa value | .004 | .026 | ||
| SVRI (dynes/cm−5 m2) | Responders | 1514 ± 242 | 1456 ± 349 | .512 |
| Nonresponders | 1463 ± 246 | 1515 ± 238 | .086 | |
| Pa value | .552 | .553 | ||
| Heart rate (beats/min) | Responders | 120 ± 18 | 115 ± 15 | .075 |
| Nonresponders | 126 ± 17 | 129 ± 19 | .025 | |
| Pa value | .375 | .041 | ||
| SVI (mL/m2) | Responders | 26 ± 6 | 32 ± 7 | <.001 |
| Nonresponders | 25 ± 8 | 23 ± 9 | .034 | |
| Pa value | .719 | .004 |
CCE = cardiac cycle efficiency, CI = cardiac index, dp/dtmax = maximal slope of systolic upstroke, Pa = compared with nonresponders, Pb = compared with before volume loading, Pdic = dicrotic pressure, PPV = pulse pressure variation, Psys = systolic blood pressure, SVI = stroke volume index, SVRI = sustemic vascular resistance index, SVV = stroke volume variation.