Table 2 Pre-ECMO parameters of patients supported with ECMO for respiratory failure
Unmatched cohort | Matched cohort | |||||||
|---|---|---|---|---|---|---|---|---|
Total (n = 335) | Jugular (n = 157) | Femoral (n = 178) | P | Total (n = 180) | Jugular (n = 90) | Femoral (n = 90) | P | |
Ventilation parameters | ||||||||
FiO2 | 0.9 ± 0.1 | 0.9 ± 0.1 | 0.9 ± 0.1 | 0.202 | 0.9 ± 0.1 | 0.9 ± 0.2 | 1.0 ± 0.1 | <0.001 |
PIP (cmH2O) | 28.6 ± 7.0 | 28.3 ± 7.5 | 28.9 ± 6.4 | 0.615 | 28.8 ± 6.5 | 28.1 ± 6.7 | 29.6 ± 6.1 | 0.006 |
PEEP (cmH2O) | 9.0 ± 3.6 | 9.6 ± 3 | 8.3 ± 4.1 | 0.030 | 9.1 ± 3.6 | 9.2 ± 3.1 | 9.1 ± 4.1 | 0.683 |
TV (mL/kg) | 7.5 ± 3.1 | 7.0 ± 2.9 | 8.1 ± 3.3 | 0.036 | 7.6 ± 3.2 | 7.0 ± 3.1 | 8.1 ± 3.3 | 0.008 |
Driving P (cmH2O) | 19.6 ± 6.8 | 18.7 ± 7.1 | 20.6 ± 6.3 | 0.071 | 20.0 ± 6.7 | 19.2 ± 6.9 | 20.6 ± 6.5 | 0.030 |
MV (L/min) | 10.3 ± 4.4 | 9.3 ± 3.9 | 11.6 ± 4.6 | 0.001 | 10.3 ± 4.4 | 9.0 ± 3.9 | 11.7 ± 4.5 | <0.001 |
Respiratory rate | 23.8 ± 6.7 | 22.7 ± 6.1 | 25 ± 7 | 0.027 | 24.0 ± 7.2 | 22.2 ± 6.4 | 25.7 ± 7.5 | <0.001 |
Arterial blood gases | ||||||||
pH | 7.3 ± 0.2 | 7.3 ± 0.1 | 7.3 ± 0.2 | 0.090 | 7.3 ± 0.2 | 7.3 ± 0.1 | 7.3 ± 0.2 | 0.219 |
PaCO2 (mmHg) | 54.4 ± 18.8 | 51.3 ± 18.5 | 57.5 ± 18.7 | 0.031 | 55.6 ± 23.7 | 54.9 ± 25.4 | 56.3 ± 22.0 | 0.620 |
PaO2 (mmHg) | 68.0 ± 30.9 | 65.2 ± 23.1 | 70.8 ± 37.1 | 0.246 | 67.8 ± 31.9 | 67.0 ± 24.5 | 68.7 ± 37.6 | 0.641 |
HCO3 (mEq/L) | 24.4 ± 7.4 | 24.3 ± 7.5 | 24.4 ± 7.4 | 0.895 | 25.0 ± 8.8 | 25.3 ± 8.4 | 24.7 ± 9.2 | 0.538 |
SaO2 (%) | 85 ± 12.5 | 85.2 ± 12.1 | 84.7 ± 13 | 0.771 | 84.7 ± 13.0 | 85.3 ± 12.3 | 84.1 ± 13.7 | 0.410 |
PF ratio | 75.6 ± 42.7 | 79.6 ± 45.2 | 71.7 ± 39.9 | 0.114 | 76.7 ± 48.2 | 76.5 ± 48.6 | 77.0 ± 48.1 | 0.948 |