Patient characteristics of the four groups of infants receiving extracorporeal membrane oxygenation (ECMO)
| Group | Gestational age (weeks) | Birth weight (kg) | Age (hours) at start of ECMO | pH before ECMO | Oxygenation index | Mode of ECMO | Hours on ECMO | Percentage survival |
|---|---|---|---|---|---|---|---|---|
| Values are mean (range). | ||||||||
| VV, Venovenous; VA, venoarterial. | ||||||||
| 1 (37°C) | 39.8 (38–41) | 3.5 (3.1–3.34) | 33.4 (14–72) | 7.4 (7.19–7.46) | 47 (30–69) | 4: VV | 172 (78–250) | 100 |
| 1: VA | ||||||||
| 2 (36°C) | 40 (39–41) | 2.95 (2.77–3.1) | 32.6 (13–90) | 7.3 (7.18–7.43) | 49 (33–111) | 2: VV | 214 (87–373) | 80 |
| 3: VA | ||||||||
| 3 (35°C) | 36.8 (32–40) | 3.3 (2.8–3.69) | 92.2 (17–240) | 7.3 (7.07–7.47) | 39 (16–53) | 4: VV | 261 (160–369) | 80 |
| 1: VA | ||||||||
| 4 (34°C) | 39.6 (38–40) | 3.25 (2.9–3.44) | 146.5 (10–648) | 7.3 (7.14–7.42) | 56 (20–98) | 4: VV | 214 (133–334) | 60 |
| 1: VA | ||||||||