| | |
MAP >65 mmHg (n= 128) Mean (SD)
|
MAP <65 mmHg (n= 72) Mean (SD)
|
OR
|
Pvalue
|
|---|
|
Age (years)
|
59.8 (16.0)
|
60.5 (15.7)
|
1.00
|
0.77
|
|
BMI
|
27.1 (5.0)
|
27.7 (7.2)
|
1.02
|
0.52
|
|
SAPS II
|
37.9 (11.1)
|
40.9 (12.6)
|
1.02
|
0.09
|
|
Measured backrest elevation before intervention (°)
|
26.6 (6.2)
|
23.6 (6.0)
|
0.92
|
0.002
|
|
Peak pressure (cm H2O)
|
19.3 (4.6)
|
21.3 (4.4)
|
1.10
|
0.005
|
|
Fluid balance last 24 h (mL)
|
565 (1105)
|
718 (1097)
|
1.00
|
0.35
|
|
Albumin (g/L)
|
22.6 (6.3)
|
22.3 (6.2)
|
0.99
|
0.76
|
|
Hb (g/dL)
|
9.6 (2.0)
|
9.4 (1.8)
|
0.92
|
0.30
|
|
CRP (mg/L)
|
115.2 (92.1)
|
116.6 (97.3)
|
1.00
|
0.92
|
| | |
Median (IQR)
|
Median (IQR)
| | |
|
Ventilation hours (h)
|
24 (55)
|
28 (55)
|
1.00
|
0.45
|
|
Tidal volume (mL)
|
490 (147)
|
502.5 (140)
|
1.00
|
0.92
|
|
PEEP (cm H2O)
|
6 (3)
|
7.5 (5)
|
1.13
|
0.013
|
|
Norepinephrine (μg/kg/min)
|
0.06 (0.12)
|
0.09 (0.16)
|
1.04a
|
0.005
|
|
Propofol (mg/kg/min)
|
0.02 (0.03)
|
0.02 (0.02)
|
1.07a
|
0.44
|
|
Sufentanil (μg/kg/min)
|
0.01 (0.01)
|
0.01 (0.01)
|
1.00b
|
0.99
|
|
Epinephrine (μg/kg/min)
|
0.00 (0.00)
|
0.00 (0.00)
|
1.02b
|
0.33
|
|
Dobutamin (μg/kg/min)
|
0.00 (0.00)
|
0.00 (0.00)
|
1.28
|
0.37
|
|
CRP (mg/L)
|
103.5 (145.8)
|
88.4 (154.4)
|
1.00
|
0.92
|
| | |
Cases (%)
|
Cases (%)
| | |
|
Ventilation mode
|
Spontaneous (PSV)
|
57 (44.5%)
|
17 (23.6%)
|
1.61
|
0.004
|
| |
Controlled (PCV)
|
71 (55.5%)
|
55 (76.4%)
| | |
- aPer 0.01 unit change.
- bPer 0.001 unit change.
- BMI, body mass index; CRP, C-reactive protein; Hb, hemoglobin; IQR, interquartile range; MAP, mean arterial pressure; OR, odds ratio; PCV, pressure-controlled ventilation; PEEP, positive end-expiratory pressure; PSV, pressure support ventilation; SAPS II, Simplified Acute Physiology Score; SD, standard deviation.
