Table 3.
Characteristics of ventilatory parameters in ECMO survivors and non-survivors.
| Variables | Survivors (n = 10) | Non-survivors (n = 8) |
|---|---|---|
| Age, years | 43.0 (12.3) | 45.4 (13.6) |
| Body mass index (BMI), kg/m2 | 29.4 (3.9) | 28.7 (3.2) |
| SOFA score | 9.8 (3.6) | 10.2 (4.8) |
| Duration of mechanical ventilation before ECMO, days | 4.1 (2.3) | 3.5 (2.7) |
| Total duration of mechanical ventilation, days | 32.3 (17.8) | 17.0 (11.2) |
| Before ECMO | ||
| PEEP, cm H2O | 10.3 (2.2) | 9.2 (3.3) |
| Plateau airway pressure, cm H2O | 29.3 (2.4) | 31.4 (3.1) |
| FiO2 | 1 | 0.9 (9.1) |
| PaO2/FiO2 | 87.9 (45.5) | 82.7 (35.8) |
| PaCO2, mm Hg | 68.8 (36.6) | 78.2 (20.8) |
| pH | 7.2 (0.1) | 7.2 (0.1) |
| After 24 h of ECMO initiation | ||
| PEEP, cm H2O | 9.3 (2.0) | 9.0 (2.9) |
| Plateau airway pressure, cm H2O | 23.3 (2.6) | 28.0 (0) |
| FiO2 | 0.5 (0.3) | 0.6 (0.3) |
| PaO2/FiO2 | 110.5 (71.8) | 67.2 (26.1) |
| PaCO2, mm Hg | 43.1 (8.8) | 49.6 (14.1) |
| pH | 7.4 (0.1) | 7.3 (0.1) |
| At ECMO removal | ||
| PEEP, cm H2O | 11.1 (2.3) | 7.1 (3.5) |
| Plateau airway pressure, cm H2O | 22.4 (4.8) | 23.3 (5.0) |
| FiO2 | 0.4 (0.1) | 0.8 (0.3) |
| PaO2/FiO2 | 150.9 (47.5) | 59.9 (25.5) |
| PaCO2, mm Hg | 43.7 (7.8) | 43.9 (9.2) |
| pH | 7.4 (0.1) | 7.3 (0.1) |
| ECMO sweep gas flow on first day, L/min | 4.2 (1.8) | 5.1 (2.4) |
| ECMO sweep gas flow on last day, L/min | 2.7 (2.2) | 5.6 (2.9) |
FiO2: fraction of inspired oxygen; PEEP: positive-end expiratory pressure; PaO2: arterial partial oxygen pressure; PaCO2: arterial carbon dioxide partial pressure.
Data expressed as mean (SD).