Table 2.
ICU patient variables.
| Nonsurvivors (n = 28) | Survivors (n = 28) | p values | |
|---|---|---|---|
| Median hours of mechanical ventilation (h) | 442 (188–800) | 523 (327–765) | 0.4891 |
| SAPS II (mean ± SD) | 44.8 ± 10.7 | 44.9 ± 16.0 | 0.7727 |
| APACHE II (mean ± SD) | 25.3 ± 7.7 | 26.8 ± 13.4 | 0.9529 |
| SOFA | 11.9 ± 2.8 | 10.7 ± 2.7 | 0.1262 |
| Renal replacement therapy in ICU | 17 (60.7%) | 15 (53.6%) | 0.7875 |
| Median days length of ICU stay (interquartile range) | 18.5 (9–36.75) | 24 (15.5–32.00) | 0.2515 |
| Median days duration of ECMO (interquartile range) | 16 (7–28.75) | 18 (8.5–24.0) | 0.9838 |
|
| |||
| Variables before ECMO implantation | |||
| Median days of invasive ventilation (interquartile range) | 1.0 (1–5) | 1 (0–3) | 0.2701 |
| Median pO2/FiO2 ratio (interquartile range) (mmHg) | 62 (48–89) | 67 (61–90) | 0.2223 |
| Median pCO2 (interquartile range) (mmHg) | 51 (47–60) | 51 (47–57) | 0.5896 |
|
| |||
| Fluid balance 24 hours after ICU admission | |||
| Median fluid balance (interquartile range) (ml) | 2125 (0–4017) | 1375 (131–3334) | 0.9795 |
|
| |||
| Hemodynamic, respiratory, and biochemical variables | |||
| Median norepinephrine (interquartile range) (µg/kg/min) | |||
| Before ECMO | 0.14 (0.00–0.33) | 0.1 (0–0.33) | 0.8553 |
| 12 h after ECMO | 0.08 (0.00–0.24) | 0.09 (0.02–0.20) | 0.8827 |
| Median serum lactate (interquartile range) (mmol/l) | |||
| Before ECMO | 2.0 (1.2–3.6) | 1.4 (0.9–3.0) | 0.2758 |
| 12 h after ECMO | 1.9 (1.2–3.4) | 1.5 (1.0–2.6) | 0.2127 |
| Heart rate (beats/minute) | |||
| Before ECMO | 106 ± 21 | 98 ± 20 | 0.3419 |
| 12 h after ECMO | 91 ± 21 | 88 ± 18 | 0.7402 |
| Mean arterial pressure (mmHg) | |||
| Before ECMO | 78 ± 13 | 80 ± 15 | 0.4051 |
| 12 h after ECMO | 74 ± 11 | 72 ± 9 | 0.3815 |