Table 2 ECMO blood flow and microcirculatory parameters of 28-day survivors and nonsurvivors at T1, T2, T3, T4, and T5

T1 (within 12 h after ECMO placement)

(n = 24)

(n = 24)

 ECMO blood flow (L/min)

2.3 (0.8)

2.5 (0.6)

0.191

 TSVD (mm/mm²)

22.5 (2.7)

22.0 (3.5)

0.576

 HI

0.30 (0.1–0.44)

0.38 (0.09–0.71)

0.909

T2 (24 h after ECMO placement)

(n = 22)

(n = 21)

 ECMO blood flow (L/min)

2.2 (0.4)

2.5 (0.5)

0.022

 TSVD (mm/mm²)

22.8 (3.6)

22.8 (3.4)

0.994

 HI

0.21 (0–0.41)

0.24 (0.18–0.57)

0.269

T3 (48 h after ECMO placement)

(n = 19)

(n = 15)

 ECMO blood flow (L/min)

2.1 (0.4)

2.5 (0.9)

0.176

 TSVD (mm/mm²)

21.7 (4.4)

22.7 (3.4)

0.442

 HI

0.2 (0.07–0.3)

0.33 (0.14–0.44)

0.040

T4 (72 h after ECMO placement)

(n = 17)

(n = 11)

 ECMO blood flow (L/min)

2.2 (0.4)

2.8 (1.2)

0.097

 TSVD (mm/mm²)

23.8 (3.4)

21.8 (4.5)

0.177

 HI

0.14 (0.05–0.25)

0.18 (0.05–0.32)

0.353

T5 (96 h after ECMO placement)

(n = 17)

(n = 9)

 ECMO blood flow (L/min)

2.1 (0.6)

3.0 (1.4)

0.089

 TSVD (mm/mm²)

23.3 (2.9)

21.3 (4.8)

0.183

 HI

0.31 (0.1–0.54)

0.18 (0–0.56)

0.458