Table 1

Gas exchange, respiratory and arteriovenous extracorporeal lung assist parameters, before and after lung injury, post recruitment and during the time course

TBaseline
 TARDS
 TRM
 3 Hz/ECLA
 3 Hz
 6 Hz/ECLA
 6 Hz
RR
 30+/-0
 30+/-0
 180+/-0§
 180+/-0§
 180+/-0§
 360+/-0§
 360+/-0§
mPaw
 9.3+/-0.4§
 13.2+/-1.4
 22.6+/-1.1§
 22.6+/-1.1§
 22.6+/-1.1§
 22.6+/-1.1§
 22.6+/-1.1§
FiO2
 1.0+/-0
 1.0+/-0
 1.0+/-0
 1.0+/-0
 1.0+/-0
 1.0+/-0
 1.0+/-0
pHa
 7.45+/-0.09
 7.41+/-0.06
 7.55+/-0.04§
 7.6+/-0.04§
 7.58+/-0.07§
 7.48+/-0.07
 7.4+/-0.08*
PaO2
 585+/-24§
 60+/-12
 532+/-116§
 563+/-69§
 551+/-75§
 549+/-68§
 556+/-60§
PaCO2
 37.7+/-4.2
 42.7+/-5.3
 27.7+/-3.5§
 27.1+/-6§
 26.3+/-5.3§
 34+/-4.6
 44.6+/-12.5*
SvO2
 86.1+/-4.1§
 67.9+/-6.1
 85.5+/-2.7§
 89.1+/-3.2§
 82.4+/-6.3§
 86.8+/-3.7§
 76.8+/-6.7§*
DO2
 906+/-295
 739+/-251
 919+/-223
 920+/-198
 706+/-189*
 804+/-192
 593+/-211*
VO2
 197+/-35
 169+/-30
 214+/-34§
 192+/-31
 184+/-31
 182+/-39
 182+/-38
Qs/Qt
 0.07+/-0.02§
 0.54+/-0.09
 0.12+/-0.09§
 0.11+/-0.07§
 0.1+/-0.06§
 0.11+/-0.06§
 0.07+/-0.04§*
Plow
 5.8+/-0.5§
 19.6+/-1.1




PECLAO2


564+/-36
574+/-45
SGF


0+/-0
2.4+/-2.3
EBF


1.4+/-0.2
1.4+/-0.2
EBF/CO


21+/-6
25+/-6

9 Hz/ECLA
 9 Hz
 12 Hz/ECLA
 12 Hz
 15 Hz/ECLA
 15 Hz
 End
RR
 540+/-0§
 540+/-0§
 720+/-0§
 720+/-0§
 900+/-0§
 900+/-0§
 180+/-0§
mPaw
 22.6+/-1.1§
 22.6+/-1.1§
 22.6+/-1.1§
 22.6+/-1.1§
 22.6+/-1.1§
 22.6+/-1.1§
 22.6+/-1.1§
FiO2
 1.0+/-0
 1.0+/-0
 1.0+/-0
 1.0+/-0
 1.0+/-0
 1.0+/-0
 1.0+/-0
pHa
 7.46+/-0.05
 7.34+/-0.08*
 7.45+/-0.05
 7.29+/-0.08*
 7.43+/-0.06
 7.26+/-0.07*
 7.54+/-0.05§
PaO2
 554+/-74§
 553+/-56§
 557+/-71§
 542+/-59§
 550+/-53§
 508+/-70§S*
 579+/-25§
PaCO2
 37.5+/-4
 53.2+/-13.3§*
 39+/-4.2
 61.1+/-13.7§*
 39.9+/-5.5
 66.8+/-12.7§*
 29.5+/-3.6§
SvO2
 86.5+/-3.1§
 74.2+/-5.5§*
 86.1+/-3.2§
 75.5+/-4§*
 85.3+/-4§
 75.7+/-7§*
 80.7+/-4.5§
DO2
 764+/-152
 538+/-118*
 767+/-110
 558+/-135*
 819+/-194
 590+/-169*
 616+/-76
VO2
 177+/-38
 181+/-32
 180+/-34
 181+/-36
 194+/-33
 182+/-29
 178+/-38
Qs/Qt
 0.1+/-0.07§
 0.06+/-0.03§*
 0.1+/-0.07§
 0.06+/-0.04§*
 0.1+/-0.05§
 0.08+/-0.04§
 0.08+/-0.03§
Plow





20.7+/-3.5
PECLAO2
 608+/-36
628+/-22
620+/-28

SGF
 3.9+/-4.1
5+/-4
5+/-4.1

EBF
 1.5+/-0.2
1.4+/-0.2
1.4+/-0.3

EBF/CO
 27+/-6
26+/-2
24+/-4

Data expressed as means ± standard deviation; ECLA, arteriovenous extracorporeal lung assist; ARDS, acute respiratory distress syndrome; PRM, post recruitment; RR, respiratory rate per minute; mPaw, mean pulmonary airway pressure in cmH2O; FiO2, fraction of inspired oxygen; PaO2, arterial oxygen partial pressure in mmHg; PaCO2, arterial carbon dioxide partial pressure in mmHg; SvO2, mixed venous oxygen saturation; DO2, oxygen; delivery in l/min/m2; VO2, oxygen consumption in l/min/m2;Qs/Qt, pulmonary shunt fraction; Plow, lower inflection point in cmH2O;PECLAO2, partial oxygen pressure behind lung assist in mmHg; SGF, Sweep Gas Flow in l/min; EBF, ECLA Blood Flow in l/min; CO, cardiac output; * p < 0.05 ECLA vs. No ECLA; §p < 0.05 vs. TARDS.

Muellenbach et al. BMC Anesthesiology 2008 8:7   doi:10.1186/1471-2253-8-7