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Table 2 Hemodynamic variables before and after passive leg raising

From: Prediction of fluid responsiveness in mechanically ventilated patients in surgical intensive care unit by pleth variability index and inferior vena cava diameter

Variables

Responders (n = 48)

Non-responders (n = 40)

Before PLR

After PLR

Before PLR

After PLR

HR, mean ± SD, beats/min

93.81 ± 8.59

91.17 ± 8.18*

91.50 ± 6.42

90.58 ± 6.23*

MAP, mean ± SD, mmHg

62.56 ± 5.17

67.85 ± 5.16*

69.30 ± 5.20**

72.00 ± 5.79

CVP, mean ± SD, mmHg

4.20 ± 2.27

6.50 ± 2.25*

5.15 ± 2.33**

7.95 ± 2.41

CI, mean ± SD, L/min/m2

2.76 ± 0.20

3.22 ± 0.29*

3.20 ± 0.20**

3.53 ± 0.21

PVI, mean ± SD (%)

17.85 ± 2.58

11.77 ± 2.04*

11.65 ± 2.39**

8.05 ± 1.78

dIVC, mean ± SD (%)

26.14 ± 7.22

16.08 ± 4.99*

15.60 ± 5.12**

9.93 ± 4.44

  1. Values are expressed as mean ± SD
  2. CI cardiac index, CVP central venous pressure, dIVC caval index, HR heart rate, MAP mean arterial pressure, PVI pleth variability index, SD standard deviation
  3. *P < 0.05 vs baseline
  4. **P < 0.05 vs “responders”