|
Age, years
|
48 ± 18
|
52 ± 22
|
0.642
|
|
10–29 years, n (%)
|
2 (4)
|
7 (14)
|
0.224
|
|
30–49 years, n (%)
|
2 (4)
|
12 (24)
| |
|
50–69 years, n (%)
|
6 (12)
|
12 (24)
| |
|
70+ years, n (%)
|
0 (0)
|
9 (18)
| |
|
Male, n
|
5
|
28
|
0.277
|
|
Witnessed, n (%)
|
7 (14)
|
29 (58)
|
1.000
|
|
Bystander CPR, n (%)
|
4 (8)
|
28 (56)
|
0.138
|
|
Initial rhythms at the scene
| | | |
|
VF/pulseless VT, n (%)
|
9 (18)
|
28 (56)
|
0.258
|
|
Asystole/PEA, n (%)
|
1 (2)
|
12 (24)
| |
|
Initial rhythms on arrival
| | | |
|
VF/pulseless VT, n (%)
|
8 (16)
|
19 (38)
|
0.085
|
|
Asystole/PEA, n (%)
|
2 (4)
|
21 (42)
| |
|
BLS-TOR rule
| | | |
|
Satisfied, n (%)
|
0 (0)
|
7 (14)
|
0.319
|
|
Unsatisfied, n (%)
|
10 (20)
|
33 (66)
| |
|
ALS-TOR rule
| | | |
|
Satisfied, n (%)
|
0 (0)
|
1 (2)
|
1.000
|
|
Unsatisfied, n (%)
|
10 (20)
|
39 (78)
| |
|
Comorbid diseases
| | | |
|
Cardiac diseases, n (%)
|
1 (2)
|
12 (24)
|
0.258
|
|
Other, n (%)
|
1 (2)
|
2 (4)
|
0.496
|
|
Complications of ECPR, n (%)
|
0 (0)
|
6 (12)
|
0.571
|
|
Body temperature, °C
|
29.9 ± 6.1
|
31.8 ± 4.7
|
0.303
|
|
Pupil diameter, mm
|
5.1 ± 2.0
|
5.4 ± 1.4
|
0.501
|
|
Positive light reflex, n (%)
|
2 (4)
|
6 (12)
|
0.653
|
|
Laboratory data on arrival
| | | |
|
Arterial blood pH
|
7.10 ± 0.08
|
6.87 ± 0.25
|
<0.001
|
|
PaCO2, mmHg
|
52 ± 21
|
85 ± 37
|
0.010
|
|
PaO2, mmHg
|
150 ± 129
|
86 ± 99
|
0.096
|
|
Base excess, mEq/L
|
−14.7 ± 3.8
|
−19.3 ± 7.7
|
0.014
|
|
Lactate, mg/dL
|
101 ± 27
|
136 ± 56
|
0.061
|
|
Serum potassium, mEq/L
|
4.7 ± 1.7
|
4.8 ± 1.6
|
0.768
|
|
Circulatory arrest time, min
|
4.7 ± 5.8
|
8.1 ± 11.2
|
0.355
|
|
CPR duration, min
|
78 ± 46
|
85 ± 49
|
0.647
|
|
Door to ECPR initiation, min
|
30 ± 20
|
39 ± 23
|
0.231
|
|
ECMO duration, h
|
46 ± 46
|
36 ± 49
|
0.536
|
