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Table 2 Comparison of CPR-related characteristics between non-survivors and survivors

From: Predictors of survival following extracorporeal cardiopulmonary resuscitation in patients with acute myocardial infarction-complicated refractory cardiac arrest in the emergency department: a retrospective study

 

Non-survivors

Survivors

p

n = 30

n = 7

Status on arrival

  

0.395**

 Unstable vital sign

7 (23%)

-

 Cardiogenic shock

11 (37%)

2 (29%)

 VT/Vf

10 (33%)

4 (57%)

 PEA

1 (3%)

1 (14%)

 Asystole

1 (3%)

-

CPR location

  

0.080*

 Out of hospital

9 (30%)

5 (71%)

 In-ED/Cath lab

21 (70%)

2 (29%)

Transit time from Victims scene to hospital of OHCA

18.0 ± 17.9

22 ± 18.7

0.643

CPR time, min, mean (SD)

52.23 (37.18)

44.71

0.635

ROSC >20 min during CPR

9(30%)

1(14%)

0.647*

Door to balloon time, min, mean (SD)

107.44 (60.61)

66.14 (21.06)

0.054

Door to ECMO time, min, mean (SD)

94.10 (56.96)

42.86 (14.53)

0.001

ROSB After ECMO

28 (93%)

7 (100%)

1.000*

IABP

  

0.032**

 Pre-/with ECMO

10(33%)

-

 After ECMO removal

-

1(14%)

CPR-related complications

  

0.181**

 Hemothorax

3 (10%)

-

 Chest wall compartment

4 (13%)

-

 Hypoxic brain damage

9 (30%)

2 (29%)

 Pulmonary haemorrhage

5 (17%)

-

  1. CPR, cardiopulmonary resuscitation; ED, emergency department; Cath lab, catheter laboratory; ECMO, extracorporeal membrane oxygenation; ROSB, return of spontaneous beat. ROSC time is not excluded.
  2. *Fisher’s Exact test; **Pearson chi-square test.