Table 2.
Comparison of hemodynamic parameters at baseline and one minute after passive leg raising in responders and nonresponders
| Hemodynamic parameters | Baseline | One minute after PLR | ||||
|---|---|---|---|---|---|---|
| Responders (n=24) | Nonresponders (n=6) | P | Responders (n=24) | Nonresponders (n=6) | P | |
| HR (beats/min) | 100.79±13.32 | 102.22±20.08 | 0.83 | 94.25±11.74 | 97.17±16.32 | 0.61 |
| MAP (mm of Hg) | 70.48±6.28 | 73.20±10.84 | 0.42 | 75.06±7.88 | 78.04±9.00 | 0.43 |
| CI (L/min/m2) | 4.23±1.13 | 4.01±1.07 | 0.67 | 4.77±1.29 | 4.12±1.14 | 0.27 |
| cSVC (%) | 41.38±3.48 | 31.95±2.49 | 0.0001* | 37.18±4.48 | 27.44±4.94 | 0.0001* |
| dIVC (%) | 22.35±14.83 | 29.21±13.16 | 0.31 | 22.06±15.23 | 26.22±11.59 | 0.53 |
*Statistically significant (Unpaired t-test), †cSVC. dIVC=Distensibility index of inferior vena cava, PLR=Passive leg raising, HR=Heart rate, MAP=Mean arterial pressure, CI=Cardiac index, cSVC=Collapsibility index of superior vena cava