Table 1.
Baseline characteristics of propensity score-matched cohorts.
| OHCA | OHCA + AMI–rCS | |||||
|---|---|---|---|---|---|---|
| Variable |
Without CS,
n = 90 |
+ AMI–rCS
+ Impella, n = 47 |
P |
+ Impella,
n = 15 |
Without Impella,
n = 15 |
P |
| Age (years) | 67 (57–74) | 58 (52–73) | 0.041 | 67 (58–78) | 66 (55–74) | ns |
| Length (cm) | 176 ± 7 | 177 ± 7 | ns | 177 ± 8 | 177 ± 6 | ns |
| Weight (kg) | 82.3 ± 19.3 | 83.9 ± 13.8 | ns | 85.1 ± 14.5 | 67.8 ± 26.9 | ns |
| Gender: male | 76 (84%) | 38 (81%) | ns | 12 (80%) | 14 (93.3%%) | ns |
| Pre-existing disorders | ||||||
| Smoking | 45 (50%) | 23 (49%) | ns | 5 (33.3%) | 7 (46.7%) | ns |
| Hypertension | 58 (64.4%) | 28 (59.6%) | ns | 13 (86.7%) | 7 (46.7%) | ns |
| Diabetes | 23 (25.5%) | 8 (17%) | ns | 1 (6.7%) | 2 (13.3%) | ns |
| Cardiogenic shock | 0 | 47 (100%) | <0.001 | 15 (100%) | 15 (100%) | ns |
| STEMI | 47 (52.2%) | 22 (46.8%) | ns | 9 (60%) | 10 (67%) | ns |
| NSTEMI | 43 (47.8%) | 25 (53.2%) | 6 (40%) | 4 (26.7%) | ||
| Vessels treated (n) | 2 (1–3) | 2 (2–3) | ns | 2 (1–2) | 1 (1–2) | 0.013 |
| Cumulative stent length (mm) | 27 (18–45) | 48 (23–74) | <0.001 | 50 (43–74) | 25 (18–50) | 0.024 |
| Admission lactate (mmol/L) | 6.3 ± 3.9 | 7.3 ± 4.1 | ns | 7.6 ± 4.8 | 6.3 ± 3.8 | ns |
| SAPS II score | 50 ± 12.4 | 50.3 ± 9.4 | ns | 53 ± 14.4 | 51.8 ± 10.5 | ns |
| CardShock score | 4 (3–5) | 5 (5–6) | 0.009 | 5 (5–6) | 5 (5−6) | ns |
| IABP-Shock II score | 3 (1–3) | 3 (3–3) | <0.001 | 4 (3–5) | 4 (3–5) | ns |
| TIMI risk score | 7 (6–9) | 8 (7–9) | 0.03 | 9 (7–10) | 7 (6–9) | 0.047 |
| In-hospital stay (days) | 14.7 ± 7.1 | 15.6 ± 10.1 | ns | 17 (4–22) | 9 (1–13) | 0.041 |
AMI, acute myocardial infarction; BL, baseline; CS, cardiogenic shock; NSTEMI, non-ST elevation myocardial infarction; rCS, refractory cardiogenic shock; STEMI, ST elevation myocardial infarction.