Table 2 Characteristics of CPR
From: Maximum emergency department overcrowding is correlated with occurrence of unexpected cardiac arrest
Total IHCA (n = 187) | Survivor (n = 108) | Non-survivor (n = 79) | P | |
|---|---|---|---|---|
ROSC | 125 (66.8) | 108 (100.0) | 47 (59.5) | < 0.01 |
DNR after ROSC | 37 (19.8) | 8 (7.5) | 29 (36.7) | < 0.01 |
Initial rhythma | ||||
VF | 16 (8.6) | 14 (13.0) | 2 (2.5) | 0.01 |
Pulseless VT | 3 (1.6) | 2 (1.9) | 1 (1.3) | 0.75 |
PEA | 90 (48.1) | 50 (46.3) | 40 (50.6) | 0.56 |
Asystole | 47 (25.1) | 22 (20.4) | 25 (31.6) | 0.08 |
Unknown | 30 (16.0) | 19 (17.6) | 11 (13.9) | 0.50 |
Hypothermia | 17 (9.1) | 17 (15.7) | 0 (0.0) | < 0.01 |
PCI | 12 (6.4) | 10 (9.3) | 2 (2.5) | 0.06 |
ECMO | 25 (13.4) | 21 (19.4) | 4 (5.1) | < 0.01 |
Hospitalization days | 2.0 (1.0–14.0) | 6.0 (2.0–23.0) | 1.0 (1.0–2.0) | < 0.01 |
Good CPC score at dischargea | 38 (20.3) | 38 (35.2) | 0 (0.0) | < 0.01 |
Survived to hospital discharge | 46 (24.6) | 46 (42.6) | 0 (0.0) | < 0.01 |
No-flow time, min | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.74 |
Time from cardiac arrest, min | ||||
First defibrillation | 2.0 (0.0–5.0) | 2.0 (0.0–4.0) | 3.0 (0.0–5.0) | 0.59 |
First epinephrine | 0.0 (0.0–1.0) | 0.0 (0.0–0.1) | 0.0 (0.0–0.1) | 0.56 |
Intubation | 0.0 (0.0–8.5) | 0.0 (0.0–0.0) | 0.0 (0.0–15.0) | 0.73 |
Duration of CPR | 10.0 (4.0–30.0) | 6.0 (3.0–14.5) | 27.0 (9.5–42.0) | < 0.01 |
ED occupancy rate | ||||
At presentation | 0.93 (0.75–1.16) | 0.95 (0.76–1.16) | 0.94 (0.72–1.09) | 0.23 |
At arrest | 0.93 (0.74–1.15) | 0.95 (0.75–1.15) | 0.94 (0.72–1.10) | 0.23 |
Maximumb | 1.02 (0.77–1.19) | 1.06 (0.83–1.23) | 0.95 (0.78–1.16) | 0.24 |
Averagea | 0.93 (0.74–1.15) | 0.95 (0.77–1.15) | 0.88 (0.73–1.09) | 0.24 |