Table 1 Baseline characteristics before initiation of extracorporeal membrane oxygenation (ECMO)
Variables | CR (n = 1976) | PR (n = 3885) | p |
|---|---|---|---|
Male | 1057 (57.3) | 2336 (60.9) | 0.009 |
Age | 42.3 ± 15.2 | 45.9 ± 14.7 | < 0.001 |
Weight | 85.9 ± 27.1 | 91.6 ± 29.2 | < 0.001 |
Primary diagnosis | < 0.001 | ||
Bacterial pneumonia | 38 (1.9) | 117 (3.0) | |
Viral pneumonia | 357 (18.1) | 1004 (25.8) | |
COPD/asthma | 123 (6.2) | 208 (5.4) | |
Interstitial lung disease | 174 (8.8) | 122 (3.1) | |
Trauma and burn | 113 (5.7) | 218 (5.6) | |
ARDS | 656 (33.2) | 1145 (29.5) | |
Aspiration pneumonitis | 15 (0.8) | 32 (0.8) | |
Sepsis | 29 (1.5) | 69 (1.8) | |
Others | 471 (23.8) | 970 (25.0) | |
Ventilator before ECMO | |||
PIP | 35.1 ± 10.8 | 34.2 ± 9.1 | 0.017 |
PEEP | 13.0 ± 5.5 | 13.1 ± 5.7 | 0.674 |
PaO2 FiO2 ratio | 90.8 ± 107.5 | 75.7 ± 188.9 | 0.005 |
Mean ABP | 74.7 ± 19.2 | 72.2 ± 16.9 | < 0.001 |
Cardiac arrest before ECMO | 111 (5.6) | 273 (7.0) | 0.039 |
RRT | 38 (1.9) | 213 (5.5) | < 0.001 |
Vasopressor | 447 (22.6) | 1186 (30.5) | < 0.001 |
Rescue therapy before ECMO | |||
Systemic steroids | 158 (8.0) | 345 (8.9) | 0.253 |
NO inhalation | 218 (11.0) | 359 (9.2) | 0.030 |
NMB agents | 572 (28.9) | 1254 (32.3) | 0.009 |