Table 1.
Overall demographic and pre-ECMO data, mechanical support data, and outcome.
| All (n = 40) | Group 1 (n = 19) | Group 2 (n = 21) | P value | |
|---|---|---|---|---|
| Demographic data | ||||
| Males | 21 (52.5%) | 11 (58.9%) | 10 (47.6%) | .516 |
| Age, y | 1.33 (0.31-6.63) | 3.29 (0.48-7.5) | 0.62 (0.075-4.51) | .136 |
| Weight, kg | 10 (4.85-20) | 15 (6.5-33) | 7 (3.65-15.25) | .095 |
| Data prior ECMO | ||||
| PRISM III | 12 (6-17) | 17 (6-24.25) | 11 (5-13) | .116 |
| SOFA | 13 (10-14) | 14 (13-16) | 11 (9-12.75) | 0 |
| Hours before ECMO | 30 (12-96) | 24 (12-96) | 32 (12-96) | .431 |
| Previous pathology | 18 (45%) | 7 (36.8%) | 11 (52.4%) | .324 |
| Inotropic score | 30.35 (15-67.75) | 53.7 (23-108) | 25 (10-53.7) | .027 |
| PFi score | 76 (49-155) | 81 (54-160) | 60.5 (37.25-114.25) | .191 |
| Oxygen index | 31.6 (12.7-51) | 33.8 (12.7-53.06) | 26.83 (11.61-47.21) | .613 |
| Lactate previous, mmol/L | 3.2 (1.8-7) | 5.9 (2.7-10) | 2.35 (1.65-4.53) | .016 |
| ECMO setup | ||||
| PICU initiation, h | 30 (12-96) | 24 (12-96) | 32 (12-96) | .413 |
| Hemodiafiltration | 21 (52.5%) | 15 (78.9%) | 6 (28.6%) | .001 |
| Cannulation AV | 34 (85%) | 17 (89.5%) | 17 (80.9%) | .451 |
| Outcome | ||||
| MV, d | 18 (12-22) | 18 (14-21) | 17.5 (12-25.75) | .824 |
| ECMO support, d | 7 (5-10) | 7 (4-10) | 7.5(5.25-10.75) | .843 |
| PICU admission, d | 27 (21-53) | 25 (21-53) | 30 (20-56.25) | .730 |
| Hospital admission, d | 52 (30-73) | 53 (31-73) | 48 (30-73.75) | .748 |
| Neurologic sequelae | 9 (22.5%) | 4 (21.1%) | 5 (23.8%) | .907 |
| Mortality | 13 (32.5%) | 8 (42.1%) | 5 (23.8%) | .173 |
| Mortality <3 d of ECMO | 7 (53.8%) | 6 (75%) | 1 (20%) | .053 |
Abbreviations: AV, arteriovenous; ECMO, extracorporeal membrane oxygenation; LOS, length of stay; MV, mechanical ventilation; PFi, PaO2/FiO2 ratio; PICU, pediatric intensive care unit; PRISM, Pediatric Risk of Mortality Score; SOFA, Sequential Organ Failure Assessment.
Values expressed as median (interquartile range). Mann-Whitney U test.