2.2 outcomes (Table 2)
Compared with the survivors, the weights of the non-survivors were lighter (3.11±0.67 vs 3.43±0.49kg, P=0.01), and ECMO duration (145.09±90.38 vs 78.92±17.36h, P=0.046) was significantly longer. The non-survivors had less time after surgery to ECMO (7.01±3.15 vs 9.25±4.28h, P=0.03), higher the highest lactate levels (18.34±5.13 vs 13.87±4.19mmol/L, P=0.03), higher lactate value of ECMO 12h (9.24±3.70 vs 4.76±2.49 mmol/L, P=0.005), 24h (5.36±2.13 vs 2.27±1.05 mmol/L, P=0.001), more time to lactate normalization (59.34±21.15 vs 25.01±13.50 h, P=0.036), higher peak creatinine values(151.29±68.28 vs 70.54±30.66 mg/dL, P=0.03) and blood transfusion volume (275.86±100.90 vs 88.51±30.24 ml/d, P=0.04). The lowest PLT count was significantly lower in non-survivors than survivors (P=0.03). The relationship between surgical site bleeding, lactic acid >10 mmol/L before ECMO and residual malformation on non-survivors was statistically significant (P=0.002, 0.01, 0.04, respectively). There was no statistical difference between CPB time, clamp time, the peak ALT and AST values, intracranial hemorrhage, GI bleeding, renal failure and ECPR (P > 0.05).