Table 1.
Clinical and procedural characteristics and clinical course of patients treated with percutaneous mechanical support (Impella CP) or intra-aortic balloon pump
| pMCS (n = 24) | IABP (n = 24) | |
|---|---|---|
| Clinical characteristics at baseline | ||
| Age, years | 58 ± 9 | 59 ± 11 |
| Male sex | 18/24 (75) | 20/24 (83) |
| Diabetes mellitus | 2/22 (9) | 3/23 (13) |
| Prior myocardial infarction | 1/22 (5) | 1/23 (4) |
| Prior stroke | 0/22 (0) | 1/23 (4) |
| Prior PCI or CABG | 1/22 (5) | 0/23 (0) |
| Mean arterial pressure, mmHg | 66 ± 15 | 66 ± 15 |
| Heart rate, beats/min | 81 ± 21 | 83 ± 28 |
| Catecholamine or inotrope use | 24/24 (100) | 22/24 (92) |
| Cardiac arrest | 24/24 (100) | 20/24 (83) |
| Time till return of spontaneous circulation, min | 21 (15–46) | 27 (15–52) |
| Lactate, mmol/L | 7.5 ± 3.2 | 8.9 ± 6.6 |
| Haemoglobin, mmol/L | 8.6 ± 1.2 | 8.6 ± 1.2 |
| Creatinine, mg/dL | 96 ± 29 | 102 ± 22 |
| Procedural characteristics | ||
| Device placement before revascularization | 5/24 (21) | 3/24 (13) |
| Device placement after revascularization | 19/24 (80) | 21/24 (88) |
| TIMI flow post-PCI | ||
| 0 or 1 | 1/24 (4) | 0/24 (0) |
| 2 or 3 | 23/24 (96) | 24/24 (100) |
| SYNTAX score pre-PCI | 23.2 ± 8.7 | 28.2 ± 10.6 |
| Clinical course during admission | ||
| Duration of support (h) | 49 (28–76) | 48 (24–77) |
| Crossover or upgrading to device with more support | 1/24 (4.2) | 3/24 (12.5) |
| Renal replacement therapy | 8/24 (33) | 7/24 (29) |
| Blood products during admission | 11/24 (46) | 8/24 (33) |
| Placement of implantable cardioverter-defibrillator | 2/24 (8) | 1/24 (4) |
| Intensive care unit stay duration | 7 (3–16) | 7 (4–10) |
Values are given as mean ± standard deviation, median (IQT) or n/N (%).
CABG: coronary artery bypass grafting; IABP, intra-aortic balloon pump; PCI, percutaneous coronary intervention; pMCS, percutaneous mechanical circulatory support.