| pH on blood gas analysis before ECPR started | ||
---|---|---|---|
Parameters | Tertile 1 | Tertile 2 | Tertile 3 |
(≥ 7.03) | (7.029–6.875) | (< 6.875) | |
(N = 24) | (N = 9) | (N = 8) | |
Men | 19 (79.2%) | 5 (55.6%) | 7 (87.5%) |
Age, years | 62.5 (51.5–68.8) | 58.0 (51.5–69.5) | 50.5 (33.0–60.0) |
  18-65 years | 13 (54.2%) | 6 (66.7%) | 7 (87.5%) |
  65–74 | 8 (33.3%) | 3 (33.3%) | 1 (12.5%) |
≥ 75 | 3 (12.5%) | 0 (0.0%) | 0 (0.0%) |
Cause of cardiac arrest | |||
 Cardiac | 21 (87.5%) | 7 (77.8%) | 8 (100%) |
Pre-hospital information | |||
 Bystander witness | 14 (58.3%) | 9 (100%) | 7 (87.5%) |
 Bystander CPR | 10 (41.7%) | 5 (55.6%) | 4 (50%) |
 Shockable on initial rhythm | 18 (75%) | 6 (66.7%) | 7 (87.5%) |
 Advanced airway | 6 (54.5%) | 0 (0.0%) | 4 (80.0%) |
In-hospital information | |||
Cardiac rhythm on arrival | |||
  ROSC | 6 (25%) | 2 (22.2%) | 0 (0%) |
  Shockable | 15 (62.5%) | 4 (44.4%) | 6 (75%) |
  Non-shockable | 3 (12.5%) | 3 (33.3%) | 2 (25%) |
pH value before ECPR start | 7.14 (7.10–7.26) | 6.96 (6.93–7.00) | 6.75 (6.71–6.83) |
Time course, min | |||
  E-call to hospital arrival | 29.5 (19.3–35.0) | 27.5 (19.5–38.8) | 25.5 (19.3–33.0) |
  E-call to collect BGA | 33 (26.8–41.3) | 43 (31–51) | 36 (32.3–45.8) |
  E-call to start ECPR | 63 (51–191.5) | 48 (45.5–65.0) | 49 (46.3–58.5) |