| |
Off-pump n = 8
|
On-pump n = 31
|
P
|
|---|
|
Haemodynamic/metabolic
| | | |
|
Temperature, °C
|
36.5 (35.6–37.2)
|
35.7 (34.5–36.5)
|
0.008
|
|
HR,·min-1
|
74 (57–87)
|
72 (55–101)
| |
|
MAP, mm Hg
|
70 (57–104)
|
75 (52–104)
| |
|
CVP, mm Hg
|
3 (1–7)
|
5 (0–12)
| |
|
PCWP, mm Hg
|
6 (5–7)
|
7 (1–13)
| |
|
MPAP, mm Hg
|
13 (11–28)
|
15 (8–23)
| |
|
CI, L·min-1·m-2
|
3.9 (2.7–4.8)
|
2.8 (2.1–4.3)
|
0.008
|
|
GEDVI, mL·m-2
|
970 (620–1131)
|
783 (537–1180)
| |
|
ITBVI, mL·m-2
|
1180 (767–1342)
|
1019 (641–1498)
| |
|
DO2, L·min-1·m-2
|
503 (385–576)
|
391 (229–546)
|
0.008
|
|
VO2, L·min-1·m-2
|
117 (78–192)
|
120 (26–189)
| |
|
Lactate, mmol/L
|
0.9 (0.6–1.2)
|
1.4 (0.7–4.1)
|
<0.0001
|
|
COP, mm Hg
|
19 (16–25)
|
19 (15–24)
| |
|
Haemoglobin, mmol/L
|
5.5 (4.9–7.1)
|
5.9 (4.3–7.4)
| |
|
Haematocrit
|
0.25 (0.23–0.32)
|
0.28 (0.20–0.33)
| |
|
Pulmonary
| | | |
|
PLI, × 10-3·min-1
|
18 (13–27)
|
14 (6–73)
| |
|
Supranormal PLI
|
5 (63)
|
13 (42)
| |
|
EVLW, mL·kg-1
|
6.7 (4.8–9.7)
|
5.9 (2.1–20.0)
| |
|
Supranormal EVLW
|
3 (37)
|
9 (29)
| |
|
Vt, mL
|
580 (400–660)
|
550 (395–1110)
| |
|
Pplat, cm H2O
|
17(14–19)
|
17 (13–33)
| |
|
PEEP, cm H2O
|
6 (5–10)
|
7 (4–16)
| |
|
Compliancetot,respir,dyn, cm H2O·mL-1
|
64 (40–83)
|
50 (37–91)
| |
|
PaO2, mm Hg
|
128 (98–176)
|
119 (84–189)
| |
|
PaO2/FIO2
|
299 (251–463)
|
280 (140–485)
| |
|
SaO2
|
0.98 (0.98–0.99)
|
0.98 (0.96–0.99)
| |
|
SvO2
|
0.77 (0.69–0.81)
|
0.73 (0.61–0.95)
|
0.030
|
|
Venous admixture, %
|
17 (9–21)
|
16 (5–62)
| |
|
Quadrants on X-ray with densities
|
0 (0–1)
|
0 (0–3)
| |
|
Atelectasis
|
5 (63)
|
16 (52)
| |
|
Lung injury score
|
0.7 (0.2–1.2)
|
1.0 (0.2–2.7)
| |
|
Duration MV, h
|
11 (6–23)
|
11 (5–494)
| |
- Median (range) or number of patients where appropriate. Abbreviations: HR, heart rate; MAP, mean arterial pressure; CVP, central venous pressure; PCWP, pulmonary capillary wedge pressure; MPAP, mean pulmonary artery pressure; CI, cardiac index; DO2, oxygen delivery; VO2, oxygen consumption; COP, colloid osmotic pressure; PLI, pulmonary leak index; EVLW, extravascular lung water; Vt, tidal volume; Pplat, plateau pressure; PEEP, positive end-expiratory pressure; FIO2, inspiratory O2 fraction; P/SO2, O2 partial pressure/saturation; a, arterial; v, mixed venous; MV, mechanical ventilation.
