Table 3.
Characteristics and outcomes of 30-day survivors vs. non-survivors.
| Parameter | Overall cohort (n = 166) | 30 day mortality (n = 166) | P survivors vs. non-survivors | ||
|---|---|---|---|---|---|
| Survivors (n = 97) | Non-survivors (n =69) | ||||
| CardShock Score | 5 [4-6] | 5 [4-6] | 6 [5-6] | 0.001 | |
| CardShock category | 0.025 | ||||
| Low (0–3) | 19 (11%) | 15 (16%) | 4 (6%) | ||
| Intermediate (4–5) | 72 (43%) | 45 (46%) | 27 (39%) | ||
| High (6–9) | 75 (46%) | 37 (38%) | 38 (55%) | ||
| IABP Shock II Score | 3 [2-4] | 3 [1-4] | 3 [2-4] | 0.029 | |
| IABP Shock II category | 0.069 | ||||
| Low (0–2) | 72 (43%) | 49 (51%) | 23 (33%) | ||
| Intermediate (3/4) | 79 (48%) | 40 (41%) | 39 (57%) | ||
| High (5–9) | 15 (9%) | 8 (8%) | 7 (10%) | ||
| Cardiac arrest prior to Impella | 64 (39%) | 32 (33%) | 32 (46%) | 0.057 | |
| Impella, type of device | 0.693 | ||||
| 2.5 | 39 (23%) | 24 (25%) | 15 (22%) | ||
| CP | 127 (77%) | 73 (75%) | 54 (78%) | ||
| Impella Implantation | 0.008 | ||||
| Pre PCI | 68 (41%) | 49 (51%) | 19 (28%) | ||
| Post PCI | 98 (59%) | 48 (49%) | 50 (72%) | ||
| Age | 63.9 ± 11.3 | 63.5 ± 12.4 | 68.5 ± 10.4 | 0.008 | |
| History of stroke | 14 (8%) | 8 (8%) | 6 (9%) | 0.86 | |
| Creatinine [mg/dl] | 1.36 [1.10–1.70] | 1.33 [1.11–1.64] | 1.47 [0.98–1.80] | 0.80 | |
| eGFR [mL/min/1.73 m2] | 32 [20-50] | 32 [19-51] | 31 [20-49] | 0.78 | |
| Admission arterial lactate [mmol/l] | 4.9 [2.5–8.6] | 4 [2.1–7.1] | 5.3 [3.1–10.1] | 0.007 | |
| Confusion at presentation | 61 (37%) | 33 (34%) | 28 (41%) | 0.28 | |
| Previous myocardial infarction or CABG | 39 (23%) | 23 (24%) | 16 (23%) | 0.94 | |
| LV-EF prior to Impella | 20 [15-30] | 20 [15-30] | 20 [15-25] | 0.21 | |
| Systolic blood pressure at presentation | 80 [70–102] | 80 [70–110] | 80 [65–100] | 0.59 | |
| Infarct localization | |||||
| LMCA | 43 (26%) | 26 (27%) | 17 (25%) | 0.86 | |
| LAD | 78 (47%) | 46 (47%) | 32 (46%) | 0.22 | |
| LCX | 17 (10%) | 11 (11%) | 6 (9%) | 0.32 | |
| RCA | 25 (15%) | 14 (14%) | 11 (16%) | 0.61 | |
| Bypass graft | 3 (2) | 0 (0%) | 3 (4%) | ||
| Liver failure | 20 (12%) | 13 (13%) | 7 (10%) | 0.37 | |
| Intubated before procedure | 119 (72%) | 61 (63%) | 54 (78%) | 0.03 | |
Data are presented as n (%), mean ± SD, or median plus interquartile ranges. CABG, coronary artery bypass grafting; eGFR, estimated glomerular filtration rate; LAD, left anterior descending artery; LCX, left circumflex coronary artery; LMCA, left main coronary artery; LV-EF, left-ventricular ejection fraction; PCI, percutaneous coronary intervention; RCA, right coronary artery. p-values are displayed in bold if statistically significant.