Table 3 Characteristics of traumatic patients with out-of-hospital cardiac arrest who were and were not recognized as cardiac arrest by dispatchers
| Â | Dispatcher recognition of OHCA | ||
|---|---|---|---|
Yes (N = 35) | No (N = 525) | P value | |
Gender (Male) | 24 (68.6%) | 388 (73.9%) | 0.488 |
Age | |||
Years, mean (±SD) | 58.6 (±20.1) | 51.9 (±19.6) | 0.051 |
> 55 years (n, %) | 20 (57.1%) | 235 (44.6%) | 0.154 |
Mechanism | Â | Â | 1.000 |
Penetrating injury | 0 | 6 (1.1%) | Â |
Blunt injury | 35 (100%) | 519 (98.9%) | Â |
Witnessed cardiac arrest | 15 (42.9%) | 257 (49.0%) | 0.485 |
Bystander CPR | 13 (37.1%) | 47 (9.0%) | < 0.001 |
Prehospital use of laryngeal mask airway | 24 (68.6%) | 374 (71.2%) | 0.736 |
Prehospital use of epinephrine | 0 | 18 (3.4%) | 0.619 |
Use of automated external defibrillator | 30 (85.7%) | 419 (79.8%) | 0.396 |
Initially shockable rhythms | 5 (14.3%) | 27 (5.1%) | 0.042 |
Sent to level 1 centers | 137 (26.1%) | 148 (26.4%) | 0.488 |
Outcomes | |||
Prehospital ROSC | 1 (2.9%) | 19 (3.6%) | 1.000 |
Ever ROSC | 6 (17.1%) | 125 (23.8%) | 0.367 |
Sustained (≥2) ROSC | 6 (17.1%) | 101 (19.2%) | 0.760 |
Survival at 24 h | 4 (11.4%) | 72 (13.7%) | 0.702 |
Survival at discharge | 1 (2.9%) | 10 (1.9%) | 0.694 |
Good neurologic outcomes at discharge | 1 (2.9%) | 3 (0.6%) | 0.120 |