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Table 4 Respiratory parameters before, during and after extracorporeal support

From: A new miniaturized system for extracorporeal membrane oxygenation in adult respiratory failure

  Pre ECMO 2 Hours Day 1 Day 2 End of ECMO, Survivors End of ECMO, Non-Survivors Day 1 after ECMO
FiO 2 1.0
(1.0 to 1.0)
0.80 **
(0.60 to 0.90)
0.60 **
(0.55 to 0.70)
0.50 **
(0.45 to 0.68)
0.40 **
(0.35 to 0.45)
0.50 **
(0.45 to 0.60)
0.45 **
(0.40 to 0.50)
Minute Ventilation (L/min) 13.1
(11.0 to 16.2)
7.6 **
(4.9 to 10.0)
7.0 **
(5.0 to 8.5)
6.5 **
(4.7 to 8.5)
7.6 **
(6.2 to 11.3)
7.9 **
(5.7 to 9.8)
11.0
(10.0 to 14.0)
Tidal Volume (mL) 495
(401 to 570)
336 **
(292 to 404)
308 **
(254 to 400)
327 **
(229 to 415)
431
(322 to 509)
400
(293 to 497)
526
(443 to 640)
Tidal Volume per kg pred. BW (ml/kg) 7.4
(6.1 to 8.6)
5.1 **
(4.4 to 5.9)
4.8 **
(3.6 to 6.1)
4.8 **
(3.4 to 6.1)
6.6
(4.6 to 7.7)
5.9
(4.5 to 8.1)
7.4
(6.6 to 9.4)
Peak Inspiratory pressure (cm H 2 O) 36
(32 to 40)
31 **
(28 to 35)
30 **
(27 to 34)
29 **
(26 to 32)
23 **
(19 to 26)
28 **
(24 to 32)
26 **
(22 to 27)
  1. The measurement at the end of extracorporeal support is separated in survivors and non-survivors (to discharge).
  2. Data are presented as median (interquartile range). ** P < 0.001 to pre ECMO. (ECMO = extracorporeal membrane oxygenation, BW = body weight)